diff --git a/examples/angular/sample-app/src/index.html b/examples/angular/sample-app/src/index.html
index e8a0b3be54..a7f0a86d54 100644
--- a/examples/angular/sample-app/src/index.html
+++ b/examples/angular/sample-app/src/index.html
@@ -7,17 +7,37 @@
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="icon" type="image/x-icon" href="favicon.ico">
   <script>
-    window.RudderSnippetVersion = "3.0.4";
-    window.rudderanalytics = [];
-    var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-    for (var i = 0; i < methods.length; i++) {
-      var method = methods[i];
-      window.rudderanalytics[method] = function(methodName) {
-        return function() {
-          window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-        };
-      }(method);
-    }
+    (function() {
+      "use strict";
+      window.RudderSnippetVersion = "3.0.9";
+      var identifier = "rudderanalytics";
+      if (!window[identifier]) {
+        window[identifier] = [];
+      }
+      var rudderanalytics = window[identifier];
+      if (Array.isArray(rudderanalytics)) {
+        if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+          console.error("RudderStack JavaScript SDK snippet included more than once.");
+        } else {
+          rudderanalytics.snippetExecuted = true;
+
+          var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+          for (var i = 0; i < methods.length; i++) {
+            var method = methods[i];
+            rudderanalytics[method] = function(methodName) {
+              return function() {
+                if (Array.isArray(window[identifier])) {
+                  rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                } else {
+                  var _methodName;
+                  (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                }
+              };
+            }(method);
+          }
+        }
+      }
+    })();
     // Below line is only for demonstration purpose, SPA code is better place for auto page call
     window.rudderanalytics.page('sample page call');
   </script>
diff --git a/examples/integrations/Ninetailed/sample-apps/app-using-v3-cdn/public/index.html b/examples/integrations/Ninetailed/sample-apps/app-using-v3-cdn/public/index.html
index ecd1f5ee4f..043c285c6c 100644
--- a/examples/integrations/Ninetailed/sample-apps/app-using-v3-cdn/public/index.html
+++ b/examples/integrations/Ninetailed/sample-apps/app-using-v3-cdn/public/index.html
@@ -26,22 +26,27 @@
     -->
     <title>React App</title>
     <script type="text/javascript">
-      !function(){"use strict";var sdkBaseUrl="https://cdn.rudderlabs.com/v3";var sdkName="rsa.min.js";var asyncScript=true
-      ;window.rudderAnalyticsBuildType="legacy",window.rudderanalytics=[]
-      ;var e=["setDefaultInstanceKey","load","ready","page","track","identify","alias","group","reset","setAnonymousId","startSession","endSession"]
-      ;for(var t=0;t<e.length;t++){var n=e[t];window.rudderanalytics[n]=function(e){return function(){
-      window.rudderanalytics.push([e].concat(Array.prototype.slice.call(arguments)))}}(n)}try{
-      new Function('return import("")'),window.rudderAnalyticsBuildType="modern"}catch(a){}
-      if(window.rudderAnalyticsMount=function(){
+      !function(){"use strict";window.RudderSnippetVersion="3.0.9";var e="rudderanalytics";window[e]||(window[e]=[])
+      ;var t=window[e];if(Array.isArray(t)){if(true===t.snippetExecuted&&window.console&&console.error){
+      console.error("RudderStack JavaScript SDK snippet included more than once.")}else{t.snippetExecuted=true,
+      window.rudderAnalyticsBuildType="legacy";var sdkBaseUrl="https://cdn.rudderlabs.com/v3";var sdkName="rsa.min.js"
+      ;var r="async"
+      ;var n=["setDefaultInstanceKey","load","ready","page","track","identify","alias","group","reset","setAnonymousId","startSession","endSession","consent"]
+      ;for(var i=0;i<n.length;i++){var d=n[i];t[d]=function(r){return function(){var n
+      ;Array.isArray(window[e])?t.push([r].concat(Array.prototype.slice.call(arguments))):null===(n=window[e][r])||void 0===n||n.apply(window[e],arguments)
+      }}(d)}try{new Function('return import("")'),window.rudderAnalyticsBuildType="modern"}catch(c){}
+      var o=document.head||document.getElementsByTagName("head")[0]
+      ;var a=document.body||document.getElementsByTagName("body")[0];window.rudderAnalyticsAddScript=function(e,t,n){
+      var i=document.createElement("script");i.src=e,i.setAttribute("data-loader","RS_JS_SDK"),t&&n&&i.setAttribute(t,n),
+      "async"===r?i.async=true:"defer"===r&&(i.defer=true),o?o.insertBefore(i,o.firstChild):a.insertBefore(i,a.firstChild)},
+      window.rudderAnalyticsMount=function(){
       "undefined"==typeof globalThis&&(Object.defineProperty(Object.prototype,"__globalThis_magic__",{get:function get(){
       return this},configurable:true}),__globalThis_magic__.globalThis=__globalThis_magic__,
-      delete Object.prototype.__globalThis_magic__);var e=document.createElement("script")
-      ;e.src="".concat(sdkBaseUrl,"/").concat(window.rudderAnalyticsBuildType,"/").concat(sdkName),e.async=asyncScript,
-      document.head?document.head.appendChild(e):document.body.appendChild(e)
-      },"undefined"==typeof Promise||"undefined"==typeof globalThis){var d=document.createElement("script")
-      ;d.src="https://polyfill.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount",
-      d.async=asyncScript,document.head?document.head.appendChild(d):document.body.appendChild(d)}else{
-      window.rudderAnalyticsMount()}}();    
+      delete Object.prototype.__globalThis_magic__),
+      window.rudderAnalyticsAddScript("".concat(sdkBaseUrl,"/").concat(window.rudderAnalyticsBuildType,"/").concat(sdkName),"data-rsa-write-key","dummyWriteKey")
+      },
+      "undefined"==typeof Promise||"undefined"==typeof globalThis?window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount"):window.rudderAnalyticsMount()
+      ;}}}();
 </script>
   </head>
   <body>
diff --git a/examples/nextjs/hooks/sample-app/src/app/layout.tsx b/examples/nextjs/hooks/sample-app/src/app/layout.tsx
index d4c5004496..bca118c26a 100644
--- a/examples/nextjs/hooks/sample-app/src/app/layout.tsx
+++ b/examples/nextjs/hooks/sample-app/src/app/layout.tsx
@@ -16,20 +16,40 @@ export default function RootLayout({ children }: { children: React.ReactNode })
       <head>
         <Script id='bufferEvents'>
           {`
-            window.RudderSnippetVersion = '3.0.4';
-            window.rudderanalytics = [];
-            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-            for (var i = 0; i < methods.length; i++) {
-              var method = methods[i];
-              window.rudderanalytics[method] = function(methodName) {
-                return function() {
-                  window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-                };
-              }(method);
-            }
+            (function() {
+              "use strict";
+              window.RudderSnippetVersion = "3.0.9";
+              var identifier = "rudderanalytics";
+              if (!window[identifier]) {
+                window[identifier] = [];
+              }
+              var rudderanalytics = window[identifier];
+              if (Array.isArray(rudderanalytics)) {
+                if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+                  console.error("RudderStack JavaScript SDK snippet included more than once.");
+                } else {
+                  rudderanalytics.snippetExecuted = true;
+
+                  var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+                  for (var i = 0; i < methods.length; i++) {
+                    var method = methods[i];
+                    rudderanalytics[method] = function(methodName) {
+                      return function() {
+                        if (Array.isArray(window[identifier])) {
+                          rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                        } else {
+                          var _methodName;
+                          (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                        }
+                      };
+                    }(method);
+                  }
+                }
+              }
+            })();
             // Below line is only for demonstration purpose, SPA code is better place for auto page call
             window.rudderanalytics.page('sample page call');
-        `}
+          `}
         </Script>
       </head>
       <body className={inter.className}>{children}</body>
diff --git a/examples/nextjs/js/sample-app/src/app/layout.js b/examples/nextjs/js/sample-app/src/app/layout.js
index 642852dba9..246bc19299 100644
--- a/examples/nextjs/js/sample-app/src/app/layout.js
+++ b/examples/nextjs/js/sample-app/src/app/layout.js
@@ -15,20 +15,40 @@ export default function RootLayout({ children }) {
       <head>
         <Script id='bufferEvents'>
           {`
-            window.RudderSnippetVersion = '3.0.4';
-            window.rudderanalytics = [];
-            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-            for (var i = 0; i < methods.length; i++) {
-              var method = methods[i];
-              window.rudderanalytics[method] = function(methodName) {
-                return function() {
-                  window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-                };
-              }(method);
-            }
+            (function() {
+              "use strict";
+              window.RudderSnippetVersion = "3.0.9";
+              var identifier = "rudderanalytics";
+              if (!window[identifier]) {
+                window[identifier] = [];
+              }
+              var rudderanalytics = window[identifier];
+              if (Array.isArray(rudderanalytics)) {
+                if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+                  console.error("RudderStack JavaScript SDK snippet included more than once.");
+                } else {
+                  rudderanalytics.snippetExecuted = true;
+
+                  var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+                  for (var i = 0; i < methods.length; i++) {
+                    var method = methods[i];
+                    rudderanalytics[method] = function(methodName) {
+                      return function() {
+                        if (Array.isArray(window[identifier])) {
+                          rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                        } else {
+                          var _methodName;
+                          (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                        }
+                      };
+                    }(method);
+                  }
+                }
+              }
+            })();
             // Below line is only for demonstration purpose, SPA code is better place for auto page call
             window.rudderanalytics.page('sample page call');
-        `}
+          `}
         </Script>
       </head>
       <body className={inter.className}>{children}</body>
diff --git a/examples/nextjs/page-router/sample-app/src/pages/_document.tsx b/examples/nextjs/page-router/sample-app/src/pages/_document.tsx
index ae9cfb8cc2..adac8327f5 100644
--- a/examples/nextjs/page-router/sample-app/src/pages/_document.tsx
+++ b/examples/nextjs/page-router/sample-app/src/pages/_document.tsx
@@ -7,20 +7,40 @@ export default function Document() {
       <Head>
         <Script id='bufferEvents' strategy='beforeInteractive'>
           {`
-            window.RudderSnippetVersion = '3.0.4';
-            window.rudderanalytics = [];
-            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-            for (var i = 0; i < methods.length; i++) {
-              var method = methods[i];
-              window.rudderanalytics[method] = function(methodName) {
-                return function() {
-                  window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-                };
-              }(method);
-            }
+            (function() {
+              "use strict";
+              window.RudderSnippetVersion = "3.0.9";
+              var identifier = "rudderanalytics";
+              if (!window[identifier]) {
+                window[identifier] = [];
+              }
+              var rudderanalytics = window[identifier];
+              if (Array.isArray(rudderanalytics)) {
+                if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+                  console.error("RudderStack JavaScript SDK snippet included more than once.");
+                } else {
+                  rudderanalytics.snippetExecuted = true;
+
+                  var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+                  for (var i = 0; i < methods.length; i++) {
+                    var method = methods[i];
+                    rudderanalytics[method] = function(methodName) {
+                      return function() {
+                        if (Array.isArray(window[identifier])) {
+                          rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                        } else {
+                          var _methodName;
+                          (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                        }
+                      };
+                    }(method);
+                  }
+                }
+              }
+            })();
             // Below line is only for demonstration purpose, SPA code is better place for auto page call
             window.rudderanalytics.page('sample page call');
-        `}
+          `}
         </Script>
       </Head>
       <body>
diff --git a/examples/nextjs/ts/sample-app/src/app/layout.tsx b/examples/nextjs/ts/sample-app/src/app/layout.tsx
index b2a6ca53c7..bca118c26a 100644
--- a/examples/nextjs/ts/sample-app/src/app/layout.tsx
+++ b/examples/nextjs/ts/sample-app/src/app/layout.tsx
@@ -16,34 +16,40 @@ export default function RootLayout({ children }: { children: React.ReactNode })
       <head>
         <Script id='bufferEvents'>
           {`
-            window.RudderSnippetVersion = '3.0.1';
-            window.rudderanalytics = [];
-            var methods = [
-              'setDefaultInstanceKey',
-              'load',
-              'ready',
-              'page',
-              'track',
-              'identify',
-              'alias',
-              'group',
-              'reset',
-              'setAnonymousId',
-              'startSession',
-              'endSession',
-              'consent'
-            ];
-            for (var i = 0; i < methods.length; i++) {
-              var method = methods[i];
-              window.rudderanalytics[method] = (function (methodName) {
-                return function () {
-                  window.rudderanalytics.push([methodName].concat(Array.prototype.slice.call(arguments)));
-                };
-              })(method);
-            }
+            (function() {
+              "use strict";
+              window.RudderSnippetVersion = "3.0.9";
+              var identifier = "rudderanalytics";
+              if (!window[identifier]) {
+                window[identifier] = [];
+              }
+              var rudderanalytics = window[identifier];
+              if (Array.isArray(rudderanalytics)) {
+                if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+                  console.error("RudderStack JavaScript SDK snippet included more than once.");
+                } else {
+                  rudderanalytics.snippetExecuted = true;
+
+                  var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+                  for (var i = 0; i < methods.length; i++) {
+                    var method = methods[i];
+                    rudderanalytics[method] = function(methodName) {
+                      return function() {
+                        if (Array.isArray(window[identifier])) {
+                          rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                        } else {
+                          var _methodName;
+                          (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                        }
+                      };
+                    }(method);
+                  }
+                }
+              }
+            })();
             // Below line is only for demonstration purpose, SPA code is better place for auto page call
             window.rudderanalytics.page('sample page call');
-        `}
+          `}
         </Script>
       </head>
       <body className={inter.className}>{children}</body>
diff --git a/examples/reactjs/hooks/sample-app/public/index.html b/examples/reactjs/hooks/sample-app/public/index.html
index 6c8d748b95..1529b27531 100644
--- a/examples/reactjs/hooks/sample-app/public/index.html
+++ b/examples/reactjs/hooks/sample-app/public/index.html
@@ -26,18 +26,37 @@
     -->
     <title>React App</title>
     <script>
-      window.RudderSnippetVersion = "3.0.4";
-      window.rudderanalytics = [];
-      
-      var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = function(methodName) {
-          return function() {
-            window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-          };
-        }(method);
-      }
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
+        }
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+          }
+        }
+      })();
       // Below line is only for demonstration purpose, SPA code is better place for auto page call
       window.rudderanalytics.page('sample page call');
     </script>
diff --git a/examples/reactjs/js/sample-app/public/index.html b/examples/reactjs/js/sample-app/public/index.html
index 115c24b270..1529b27531 100644
--- a/examples/reactjs/js/sample-app/public/index.html
+++ b/examples/reactjs/js/sample-app/public/index.html
@@ -26,31 +26,37 @@
     -->
     <title>React App</title>
     <script>
-      window.RudderSnippetVersion = '3.0.1';
-      window.rudderanalytics = [];
-      var methods = [
-        'setDefaultInstanceKey',
-        'load',
-        'ready',
-        'page',
-        'track',
-        'identify',
-        'alias',
-        'group',
-        'reset',
-        'setAnonymousId',
-        'startSession',
-        'endSession',
-        'consent'
-      ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = (function (methodName) {
-          return function () {
-            window.rudderanalytics.push([methodName].concat(Array.prototype.slice.call(arguments)));
-          };
-        })(method);
-      }
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
+        }
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+          }
+        }
+      })();
       // Below line is only for demonstration purpose, SPA code is better place for auto page call
       window.rudderanalytics.page('sample page call');
     </script>
diff --git a/examples/reactjs/ts/sample-app/public/index.html b/examples/reactjs/ts/sample-app/public/index.html
index 115c24b270..1529b27531 100644
--- a/examples/reactjs/ts/sample-app/public/index.html
+++ b/examples/reactjs/ts/sample-app/public/index.html
@@ -26,31 +26,37 @@
     -->
     <title>React App</title>
     <script>
-      window.RudderSnippetVersion = '3.0.1';
-      window.rudderanalytics = [];
-      var methods = [
-        'setDefaultInstanceKey',
-        'load',
-        'ready',
-        'page',
-        'track',
-        'identify',
-        'alias',
-        'group',
-        'reset',
-        'setAnonymousId',
-        'startSession',
-        'endSession',
-        'consent'
-      ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = (function (methodName) {
-          return function () {
-            window.rudderanalytics.push([methodName].concat(Array.prototype.slice.call(arguments)));
-          };
-        })(method);
-      }
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
+        }
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+          }
+        }
+      })();
       // Below line is only for demonstration purpose, SPA code is better place for auto page call
       window.rudderanalytics.page('sample page call');
     </script>
diff --git a/examples/reactjs/vite/sample-app/index.html b/examples/reactjs/vite/sample-app/index.html
index cefef9df63..96169faf2b 100644
--- a/examples/reactjs/vite/sample-app/index.html
+++ b/examples/reactjs/vite/sample-app/index.html
@@ -6,17 +6,37 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
     <title>Vite + React + TS</title>
     <script>
-      window.RudderSnippetVersion = '3.0.4';
-      window.rudderanalytics = [];
-      var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = function(methodName) {
-          return function() {
-            window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-          };
-        }(method);
-      }
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
+        }
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+          }
+        }
+      })();
       // Below line is only for demonstration purpose, SPA code is better place for auto page call
       window.rudderanalytics.page('sample page call');
     </script>
diff --git a/examples/v3-beacon/index.html b/examples/v3-beacon/index.html
index d4209b14cd..a833f6db44 100644
--- a/examples/v3-beacon/index.html
+++ b/examples/v3-beacon/index.html
@@ -4,72 +4,95 @@
     <meta charset="utf-8" />
     <meta http-equiv="x-ua-compatible" content="ie=edge" />
     <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
-    <title>RudderStack JS SDK v3 Beacon Example</title>
+    <title>RudderStack JS SDK v3 Example</title>
     <script>
       (function() {
         "use strict";
-        window.RudderSnippetVersion = "3.0.4";
-        var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
-        var sdkName = "rsa.min.js";
-        var asyncScript = true;
-        window.rudderAnalyticsBuildType = "legacy";
-        window.rudderanalytics = [];
-        var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-        for (var i = 0; i < methods.length; i++) {
-          var method = methods[i];
-          window.rudderanalytics[method] = function(methodName) {
-            return function() {
-              window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-            };
-          }(method);
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-        try {
-          new Function('return import("")');
-          window.rudderAnalyticsBuildType = "modern";
-        } catch (e) {}
-        window.rudderAnalyticsMount = function() {
-          if (typeof globalThis === "undefined") {
-            Object.defineProperty(Object.prototype, "__globalThis_magic__", {
-              get: function get() {
-                return this;
-              },
-              configurable: true
-            });
-            __globalThis_magic__.globalThis = __globalThis_magic__;
-            delete Object.prototype.__globalThis_magic__;
-          }
-          var rudderAnalyticsScript = document.createElement("script");
-          rudderAnalyticsScript.src = "".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName);
-          rudderAnalyticsScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsScript);
-          } else {
-            document.body.appendChild(rudderAnalyticsScript);
-          }
-        };
-        if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
-          var rudderAnalyticsPromisesScript = document.createElement("script");
-          rudderAnalyticsPromisesScript.src = "https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount";
-          rudderAnalyticsPromisesScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsPromisesScript);
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
           } else {
-            document.body.appendChild(rudderAnalyticsPromisesScript);
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
+            var sdkName = "rsa.min.js";
+            var asyncScript = true;
+            var deferScript = false;
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            try {
+              new Function('return import("")');
+              window.rudderAnalyticsBuildType = "modern";
+            } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (asyncScript) {
+                scriptTag.async = true;
+              } else if (deferScript) {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: 'https://api.rudderstack.com',
+              destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
+              useBeacon: true,
+              beaconQueueOptions: {
+                flushQueueInterval: 60 * 1000,
+              }
+            };
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
           }
-        } else {
-          window.rudderAnalyticsMount();
         }
-        var loadOptions = {
-          logLevel: 'DEBUG',
-          configUrl: 'https://api.rudderstack.com',
-          destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
-          pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
-          useBeacon: true,
-          beaconQueueOptions: {
-            flushQueueInterval: 60 * 1000,
-          }
-        };
-        rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
       })();
 
       rudderanalytics.identify(
@@ -147,6 +170,14 @@
         console.log('All ready!!!');
       });
 
+      document.addEventListener('RSA_Initialised', function (e) {
+        console.log('RSA_Initialised', e.detail.analyticsInstance);
+      });
+
+      document.addEventListener('RSA_Ready', function (e) {
+        console.log('RSA_Ready', e.detail.analyticsInstance);
+      });
+
       // TODO: Call other APIs here
     </script>
   </head>
diff --git a/examples/v3-legacy-minimum-plugins/index.html b/examples/v3-legacy-minimum-plugins/index.html
index 38ed1b1bdc..1aefa69c1c 100644
--- a/examples/v3-legacy-minimum-plugins/index.html
+++ b/examples/v3-legacy-minimum-plugins/index.html
@@ -8,68 +8,91 @@
     <script>
       (function() {
         "use strict";
-        window.RudderSnippetVersion = "3.0.4";
-        var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
-        var sdkName = "rsa.min.js";
-        var asyncScript = true;
-        window.rudderAnalyticsBuildType = "legacy";
-        window.rudderanalytics = [];
-        var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-        for (var i = 0; i < methods.length; i++) {
-          var method = methods[i];
-          window.rudderanalytics[method] = function(methodName) {
-            return function() {
-              window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-            };
-          }(method);
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-        // try {
-        //   new Function('return import("")');
-        //   window.rudderAnalyticsBuildType = "modern";
-        // } catch (e) {}
-        window.rudderAnalyticsMount = function() {
-          if (typeof globalThis === "undefined") {
-            Object.defineProperty(Object.prototype, "__globalThis_magic__", {
-              get: function get() {
-                return this;
-              },
-              configurable: true
-            });
-            __globalThis_magic__.globalThis = __globalThis_magic__;
-            delete Object.prototype.__globalThis_magic__;
-          }
-          var rudderAnalyticsScript = document.createElement("script");
-          rudderAnalyticsScript.src = "".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName);
-          rudderAnalyticsScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsScript);
-          } else {
-            document.body.appendChild(rudderAnalyticsScript);
-          }
-        };
-        if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
-          var rudderAnalyticsPromisesScript = document.createElement("script");
-          rudderAnalyticsPromisesScript.src = "https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount";
-          rudderAnalyticsPromisesScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsPromisesScript);
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
           } else {
-            document.body.appendChild(rudderAnalyticsPromisesScript);
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
+            var sdkName = "rsa.min.js";
+            var asyncScript = true;
+            var deferScript = false;
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            // try {
+            //   new Function('return import("")');
+            //   window.rudderAnalyticsBuildType = "modern";
+            // } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (asyncScript) {
+                scriptTag.async = true;
+              } else if (deferScript) {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: 'https://api.rudderstack.com',
+              destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
+              plugins: [
+                'StorageEncryption',
+                'XhrQueue'
+              ]
+            };
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
           }
-        } else {
-          window.rudderAnalyticsMount();
         }
-        var loadOptions = {
-          logLevel: 'DEBUG',
-          configUrl: 'https://api.rudderstack.com',
-          destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
-          pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
-          plugins: [
-            'StorageEncryption',
-            'XhrQueue'
-          ]
-        };
-        rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
       })();
 
       rudderanalytics.identify(
@@ -147,6 +170,14 @@
         console.log('All ready!!!');
       });
 
+      document.addEventListener('RSA_Initialised', function (e) {
+        console.log('RSA_Initialised', e.detail.analyticsInstance);
+      });
+
+      document.addEventListener('RSA_Ready', function (e) {
+        console.log('RSA_Ready', e.detail.analyticsInstance);
+      });
+
       // TODO: Call other APIs here
     </script>
   </head>
diff --git a/examples/v3-legacy/index.html b/examples/v3-legacy/index.html
index 394e5e5abb..09881a6bf5 100644
--- a/examples/v3-legacy/index.html
+++ b/examples/v3-legacy/index.html
@@ -8,64 +8,87 @@
     <script>
       (function() {
         "use strict";
-        window.RudderSnippetVersion = "3.0.4";
-        var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
-        var sdkName = "rsa.min.js";
-        var asyncScript = true;
-        window.rudderAnalyticsBuildType = "legacy";
-        window.rudderanalytics = [];
-        var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-        for (var i = 0; i < methods.length; i++) {
-          var method = methods[i];
-          window.rudderanalytics[method] = function(methodName) {
-            return function() {
-              window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-            };
-          }(method);
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-        // try {
-        //   new Function('return import("")');
-        //   window.rudderAnalyticsBuildType = "modern";
-        // } catch (e) {}
-        window.rudderAnalyticsMount = function() {
-          if (typeof globalThis === "undefined") {
-            Object.defineProperty(Object.prototype, "__globalThis_magic__", {
-              get: function get() {
-                return this;
-              },
-              configurable: true
-            });
-            __globalThis_magic__.globalThis = __globalThis_magic__;
-            delete Object.prototype.__globalThis_magic__;
-          }
-          var rudderAnalyticsScript = document.createElement("script");
-          rudderAnalyticsScript.src = "".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName);
-          rudderAnalyticsScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsScript);
-          } else {
-            document.body.appendChild(rudderAnalyticsScript);
-          }
-        };
-        if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
-          var rudderAnalyticsPromisesScript = document.createElement("script");
-          rudderAnalyticsPromisesScript.src = "https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount";
-          rudderAnalyticsPromisesScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsPromisesScript);
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
           } else {
-            document.body.appendChild(rudderAnalyticsPromisesScript);
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
+            var sdkName = "rsa.min.js";
+            var asyncScript = true;
+            var deferScript = false;
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            // try {
+            //   new Function('return import("")');
+            //   window.rudderAnalyticsBuildType = "modern";
+            // } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (asyncScript) {
+                scriptTag.async = true;
+              } else if (deferScript) {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: 'https://api.rudderstack.com',
+              destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins'
+            };
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
           }
-        } else {
-          window.rudderAnalyticsMount();
         }
-        var loadOptions = {
-          logLevel: 'DEBUG',
-          configUrl: 'https://api.rudderstack.com',
-          destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
-          pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins'
-        };
-        rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
       })();
 
       rudderanalytics.identify(
@@ -143,6 +166,14 @@
         console.log('All ready!!!');
       });
 
+      document.addEventListener('RSA_Initialised', function (e) {
+        console.log('RSA_Initialised', e.detail.analyticsInstance);
+      });
+
+      document.addEventListener('RSA_Ready', function (e) {
+        console.log('RSA_Ready', e.detail.analyticsInstance);
+      });
+
       // TODO: Call other APIs here
     </script>
   </head>
diff --git a/examples/v3-minimum-plugins/index.html b/examples/v3-minimum-plugins/index.html
index 32c4e9459b..43dc983e1d 100644
--- a/examples/v3-minimum-plugins/index.html
+++ b/examples/v3-minimum-plugins/index.html
@@ -8,68 +8,91 @@
     <script>
       (function() {
         "use strict";
-        window.RudderSnippetVersion = "3.0.4";
-        var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
-        var sdkName = "rsa.min.js";
-        var asyncScript = true;
-        window.rudderAnalyticsBuildType = "legacy";
-        window.rudderanalytics = [];
-        var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-        for (var i = 0; i < methods.length; i++) {
-          var method = methods[i];
-          window.rudderanalytics[method] = function(methodName) {
-            return function() {
-              window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-            };
-          }(method);
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-        try {
-          new Function('return import("")');
-          window.rudderAnalyticsBuildType = "modern";
-        } catch (e) {}
-        window.rudderAnalyticsMount = function() {
-          if (typeof globalThis === "undefined") {
-            Object.defineProperty(Object.prototype, "__globalThis_magic__", {
-              get: function get() {
-                return this;
-              },
-              configurable: true
-            });
-            __globalThis_magic__.globalThis = __globalThis_magic__;
-            delete Object.prototype.__globalThis_magic__;
-          }
-          var rudderAnalyticsScript = document.createElement("script");
-          rudderAnalyticsScript.src = "".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName);
-          rudderAnalyticsScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsScript);
-          } else {
-            document.body.appendChild(rudderAnalyticsScript);
-          }
-        };
-        if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
-          var rudderAnalyticsPromisesScript = document.createElement("script");
-          rudderAnalyticsPromisesScript.src = "https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount";
-          rudderAnalyticsPromisesScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsPromisesScript);
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
           } else {
-            document.body.appendChild(rudderAnalyticsPromisesScript);
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
+            var sdkName = "rsa.min.js";
+            var asyncScript = true;
+            var deferScript = false;
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            try {
+              new Function('return import("")');
+              window.rudderAnalyticsBuildType = "modern";
+            } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (asyncScript) {
+                scriptTag.async = true;
+              } else if (deferScript) {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: 'https://api.rudderstack.com',
+              destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
+              plugins: [
+                'StorageEncryption',
+                'XhrQueue'
+              ]
+            };
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
           }
-        } else {
-          window.rudderAnalyticsMount();
         }
-        var loadOptions = {
-          logLevel: 'DEBUG',
-          configUrl: 'https://api.rudderstack.com',
-          destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
-          pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
-          plugins: [
-            'StorageEncryption',
-            'XhrQueue'
-          ]
-        };
-        rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
       })();
 
       rudderanalytics.identify(
@@ -147,6 +170,14 @@
         console.log('All ready!!!');
       });
 
+      document.addEventListener('RSA_Initialised', function (e) {
+        console.log('RSA_Initialised', e.detail.analyticsInstance);
+      });
+
+      document.addEventListener('RSA_Ready', function (e) {
+        console.log('RSA_Ready', e.detail.analyticsInstance);
+      });
+
       // TODO: Call other APIs here
     </script>
   </head>
diff --git a/examples/v3/index.html b/examples/v3/index.html
index 172b5565a4..1937c00e2c 100644
--- a/examples/v3/index.html
+++ b/examples/v3/index.html
@@ -8,64 +8,87 @@
     <script>
       (function() {
         "use strict";
-        window.RudderSnippetVersion = "3.0.4";
-        var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
-        var sdkName = "rsa.min.js";
-        var asyncScript = true;
-        window.rudderAnalyticsBuildType = "legacy";
-        window.rudderanalytics = [];
-        var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-        for (var i = 0; i < methods.length; i++) {
-          var method = methods[i];
-          window.rudderanalytics[method] = function(methodName) {
-            return function() {
-              window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-            };
-          }(method);
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-        try {
-          new Function('return import("")');
-          window.rudderAnalyticsBuildType = "modern";
-        } catch (e) {}
-        window.rudderAnalyticsMount = function() {
-          if (typeof globalThis === "undefined") {
-            Object.defineProperty(Object.prototype, "__globalThis_magic__", {
-              get: function get() {
-                return this;
-              },
-              configurable: true
-            });
-            __globalThis_magic__.globalThis = __globalThis_magic__;
-            delete Object.prototype.__globalThis_magic__;
-          }
-          var rudderAnalyticsScript = document.createElement("script");
-          rudderAnalyticsScript.src = "".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName);
-          rudderAnalyticsScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsScript);
-          } else {
-            document.body.appendChild(rudderAnalyticsScript);
-          }
-        };
-        if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
-          var rudderAnalyticsPromisesScript = document.createElement("script");
-          rudderAnalyticsPromisesScript.src = "https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount";
-          rudderAnalyticsPromisesScript.async = asyncScript;
-          if (document.head) {
-            document.head.appendChild(rudderAnalyticsPromisesScript);
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
           } else {
-            document.body.appendChild(rudderAnalyticsPromisesScript);
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
+            var sdkName = "rsa.min.js";
+            var asyncScript = true;
+            var deferScript = false;
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            try {
+              new Function('return import("")');
+              window.rudderAnalyticsBuildType = "modern";
+            } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (asyncScript) {
+                scriptTag.async = true;
+              } else if (deferScript) {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: 'https://api.rudderstack.com',
+              destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins'
+            };
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
           }
-        } else {
-          window.rudderAnalyticsMount();
         }
-        var loadOptions = {
-          logLevel: 'DEBUG',
-          configUrl: 'https://api.rudderstack.com',
-          destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
-          pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins'
-        };
-        rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
       })();
 
       rudderanalytics.identify(
@@ -143,6 +166,14 @@
         console.log('All ready!!!');
       });
 
+      document.addEventListener('RSA_Initialised', function (e) {
+        console.log('RSA_Initialised', e.detail.analyticsInstance);
+      });
+
+      document.addEventListener('RSA_Ready', function (e) {
+        console.log('RSA_Ready', e.detail.analyticsInstance);
+      });
+
       // TODO: Call other APIs here
     </script>
   </head>
diff --git a/packages/analytics-js-common/src/services/ExternalSrcLoader/jsFileLoader.ts b/packages/analytics-js-common/src/services/ExternalSrcLoader/jsFileLoader.ts
index 08d5e17b52..b25f87b9de 100644
--- a/packages/analytics-js-common/src/services/ExternalSrcLoader/jsFileLoader.ts
+++ b/packages/analytics-js-common/src/services/ExternalSrcLoader/jsFileLoader.ts
@@ -33,12 +33,13 @@ const createScriptElement = (
   scriptElement.src = url;
   scriptElement.id = id;
   scriptElement.async = async;
-  scriptElement.setAttribute('data-append-origin', EXTERNAL_SOURCE_LOAD_ORIGIN);
 
   Object.keys(extraAttributes).forEach(attributeName => {
     scriptElement.setAttribute(attributeName, extraAttributes[attributeName] as string);
   });
 
+  scriptElement.setAttribute('data-loader', EXTERNAL_SOURCE_LOAD_ORIGIN);
+
   return scriptElement;
 };
 
diff --git a/packages/analytics-js/public/index-legacy-only.html b/packages/analytics-js/public/index-legacy-only.html
deleted file mode 100644
index 72b527a2fb..0000000000
--- a/packages/analytics-js/public/index-legacy-only.html
+++ /dev/null
@@ -1,308 +0,0 @@
-<!doctype html>
-<html>
-  <head>
-    <script>
-      window.RudderSnippetVersion = '3.0.1';
-      var sdkBaseUrl = 'https://cdn.rudderlabs.com/v3';
-      var sdkName = 'rsa.min.js';
-      var asyncScript = true;
-      window.rudderAnalyticsBuildType = 'legacy';
-      window.rudderanalytics = [];
-      var methods = [
-        'setDefaultInstanceKey',
-        'load',
-        'ready',
-        'page',
-        'track',
-        'identify',
-        'alias',
-        'group',
-        'reset',
-        'setAnonymousId',
-        'startSession',
-        'endSession',
-        'consent',
-      ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = (function (methodName) {
-          return function () {
-            window.rudderanalytics.push([methodName].concat(Array.prototype.slice.call(arguments)));
-          };
-        })(method);
-      }
-      try {
-        new Function('return import("")');
-        // window.rudderAnalyticsBuildType = 'modern';
-      } catch (e) {}
-      window.rudderAnalyticsMount = function () {
-        if (typeof globalThis === 'undefined') {
-          Object.defineProperty(Object.prototype, '__globalThis_magic__', {
-            get: function get() {
-              return this;
-            },
-            configurable: true,
-          });
-          __globalThis_magic__.globalThis = __globalThis_magic__;
-          delete Object.prototype.__globalThis_magic__;
-        }
-        var rudderAnalyticsScript = document.createElement('script');
-        rudderAnalyticsScript.src = ''
-          .concat(sdkBaseUrl, '/')
-          .concat(window.rudderAnalyticsBuildType, '/')
-          .concat(sdkName);
-        rudderAnalyticsScript.async = asyncScript;
-        // Commented out as the local build file is auto-injected by rollup
-        // if (document.head) {
-        //   document.head.appendChild(rudderAnalyticsScript);
-        // } else {
-        //   document.body.appendChild(rudderAnalyticsScript);
-        // }
-      };
-      if (typeof Promise === 'undefined' || typeof globalThis === 'undefined') {
-        var rudderAnalyticsPromisesScript = document.createElement('script');
-        rudderAnalyticsPromisesScript.src =
-          'https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount';
-        rudderAnalyticsPromisesScript.async = asyncScript;
-        if (document.head) {
-          document.head.appendChild(rudderAnalyticsPromisesScript);
-        } else {
-          document.body.appendChild(rudderAnalyticsPromisesScript);
-        }
-      } else {
-        window.rudderAnalyticsMount();
-      }
-      // New addition to load script ends
-
-      var loadOptions = {
-        logLevel: 'DEBUG',
-        configUrl: '__CONFIG_SERVER_HOST__',
-        destSDKBaseURL:
-          '__DEST_SDK_BASE_URL__' + window.rudderAnalyticsBuildType + '/js-integrations',
-        pluginsSDKBaseURL: '__PLUGINS_BASE_URL__' + window.rudderAnalyticsBuildType + '/plugins',
-        // cookieConsentManager: {
-        //   // oneTrust: {
-        //   //   enabled: true,
-        //   // },
-        //   ketch: {
-        //     enabled: true,
-        //   }
-        // }
-        // useBeacon: true,
-        // beaconQueueOptions: {
-        //   flushQueueInterval: 60 * 1000,
-        // }
-        storage: {
-          // encryption: {
-          //   version: 'v3'
-          // },
-          // cookie: {
-          //   expires: new Date(Date.now() + 30 * 24 * 60 * 60 * 1000),
-          //   path: '/',
-          //   samesite: 'Lax',
-          //   secure: true,
-          // },
-          // migrate: true,
-          // type: 'localStorage',
-          // entries: {
-          //   userId: {
-          //     type: 'cookieStorage',
-          //   },
-          //   userTraits: {
-          //     type: 'localStorage',
-          //   },
-          //   groupId: {
-          //     type: 'none',
-          //   },
-          //   anonymousId: {
-          //     type: 'cookieStorage',
-          //   },
-          // },
-        },
-      };
-
-      rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
-
-      rudderanalytics.identify(
-        'customUserID',
-        {
-          name: 'John Doe',
-          title: 'CEO',
-          email: 'name.surname@domain.com',
-          company: 'Company123',
-          phone: '123-456-7890',
-          rating: 'Hot',
-          city: 'Austin',
-          postalCode: '12345',
-          country: 'US',
-          street: 'Sample Address',
-          state: 'TX',
-        },
-        function (message) {
-          console.log('in identify call', message);
-        },
-      );
-
-      rudderanalytics.page(
-        'Home',
-        'Cart Viewed',
-        {
-          path: '',
-          referrer: '',
-          search: '',
-          title: '',
-          url: '',
-        },
-        function (message) {
-          console.log('in page call', message);
-        },
-      );
-
-      rudderanalytics.track(
-        'test track event 1',
-        {
-          revenue: 30,
-          currency: 'USD',
-          user_actual_id: 12345,
-        },
-        function (message) {
-          console.log('in track call 1', message);
-        },
-      );
-
-      rudderanalytics.track(
-        'test track event 2',
-        {
-          revenue: 45,
-          currency: 'INR',
-          user_actual_id: 333,
-        },
-        function (message) {
-          console.log('in track call 2', message);
-        },
-      );
-
-      rudderanalytics.track(
-        'test track event 3',
-        {
-          revenue: 10003,
-          currency: 'EUR',
-          user_actual_id: 5678,
-        },
-        function (message) {
-          console.log('in track call 3', message);
-        },
-      );
-
-      rudderanalytics.ready(function () {
-        console.log('All ready!!!');
-      });
-
-      document.addEventListener('RSA_Initialised', function (e) {
-        console.log('RSA_Initialised', e.detail.analyticsInstance);
-      });
-
-      document.addEventListener('RSA_Ready', function (e) {
-        console.log('RSA_Ready', e.detail.analyticsInstance);
-      });
-    </script>
-  </head>
-  <body>
-    <h1>Test HTML file</h1>
-    <br />
-
-    <button data-testid="page-btn" onclick="page()">Page</button>
-    <button data-testid="identify-btn" onclick="identify()">identify</button>
-    <button data-testid="track-btn" onclick="track()">Track</button>
-    <button data-testid="alias-btn" onclick="alias()">Alias</button>
-    <button data-testid="group-btn" onclick="group()">Group</button>
-
-    <p data-testid="action" id="action"></p>
-    <p data-testid="payload" id="rudderElement"></p>
-
-    <script>
-      function page() {
-        rudderanalytics.page(
-          'Home',
-          'Cart Viewed',
-          {
-            path: '',
-            referrer: '',
-            search: '',
-            title: '',
-            url: '',
-          },
-          function (rudderElement) {
-            console.log('in page call');
-            document.getElementById('action').innerHTML = 'Page called';
-            document.getElementById('rudderElement').innerHTML = JSON.stringify(rudderElement);
-          },
-        );
-      }
-
-      function identify() {
-        rudderanalytics.identify(
-          'customUserID',
-          {
-            name: 'John Doe',
-            title: 'CEO',
-            email: 'name.surname@domain.com',
-            company: 'Company123',
-            phone: '123-456-7890',
-            rating: 'Hot',
-            city: 'Austin',
-            postalCode: '12345',
-            country: 'US',
-            street: 'Sample Address',
-            state: 'TX',
-          },
-          {},
-          function (rudderElement) {
-            console.log('in identify call');
-            document.getElementById('action').innerHTML = 'Identify called';
-            document.getElementById('rudderElement').innerHTML = JSON.stringify(rudderElement);
-          },
-        );
-      }
-
-      function track() {
-        rudderanalytics.track(
-          'test track event 1',
-          {
-            revenue: 30,
-            currency: 'USD',
-            user_actual_id: 12345,
-          },
-          function (rudderElement) {
-            console.log('in track call');
-            document.getElementById('action').innerHTML = 'Track called';
-            document.getElementById('rudderElement').innerHTML = JSON.stringify(rudderElement);
-          },
-        );
-      }
-
-      function alias() {
-        rudderanalytics.alias('alias-user-id', function (rudderElement) {
-          console.log('alias call');
-          document.getElementById('action').innerHTML = 'Alias called';
-          document.getElementById('rudderElement').innerHTML = JSON.stringify(rudderElement);
-        });
-      }
-
-      function group() {
-        rudderanalytics.group(
-          'sample_group_id',
-          {
-            name: 'Apple Inc.',
-            location: 'USA',
-          },
-          function (rudderElement) {
-            console.log('group call');
-            document.getElementById('action').innerHTML = 'Group called';
-            document.getElementById('rudderElement').innerHTML = JSON.stringify(rudderElement);
-          },
-        );
-      }
-    </script>
-  </body>
-</html>
diff --git a/packages/analytics-js/public/index.html b/packages/analytics-js/public/index.html
index f57a0d76cb..26a7f56dab 100644
--- a/packages/analytics-js/public/index.html
+++ b/packages/analytics-js/public/index.html
@@ -2,147 +2,152 @@
 <html>
   <head>
     <script>
-      window.RudderSnippetVersion = '3.0.1';
-      var sdkBaseUrl = 'https://cdn.rudderlabs.com/v3';
-      var sdkName = 'rsa.min.js';
-      var asyncScript = true;
-      window.rudderAnalyticsBuildType = 'legacy';
-      window.rudderanalytics = [];
-      var methods = [
-        'setDefaultInstanceKey',
-        'load',
-        'ready',
-        'page',
-        'track',
-        'identify',
-        'alias',
-        'group',
-        'reset',
-        'setAnonymousId',
-        'startSession',
-        'endSession',
-        'consent'
-      ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = (function (methodName) {
-          return function () {
-            window.rudderanalytics.push([methodName].concat(Array.prototype.slice.call(arguments)));
-          };
-        })(method);
-      }
-      try {
-        new Function('return import("")');
-        window.rudderAnalyticsBuildType = 'modern';
-      } catch (e) {}
-      window.rudderAnalyticsMount = function () {
-        if (typeof globalThis === 'undefined') {
-          Object.defineProperty(Object.prototype, '__globalThis_magic__', {
-            get: function get() {
-              return this;
-            },
-            configurable: true
-          });
-          __globalThis_magic__.globalThis = __globalThis_magic__;
-          delete Object.prototype.__globalThis_magic__;
-        }
-        var rudderAnalyticsScript = document.createElement('script');
-        rudderAnalyticsScript.src = ''
-          .concat(sdkBaseUrl, '/')
-          .concat(window.rudderAnalyticsBuildType, '/')
-          .concat(sdkName);
-        rudderAnalyticsScript.async = asyncScript;
-        // Commented out as the local build file is auto-injected by rollup
-        // if (document.head) {
-        //   document.head.appendChild(rudderAnalyticsScript);
-        // } else {
-        //   document.body.appendChild(rudderAnalyticsScript);
-        // }
-      };
-      if (typeof Promise === 'undefined' || typeof globalThis === 'undefined') {
-        var rudderAnalyticsPromisesScript = document.createElement('script');
-        rudderAnalyticsPromisesScript.src =
-          'https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount';
-        rudderAnalyticsPromisesScript.async = asyncScript;
-        if (document.head) {
-          document.head.appendChild(rudderAnalyticsPromisesScript);
-        } else {
-          document.body.appendChild(rudderAnalyticsPromisesScript);
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-      } else {
-        window.rudderAnalyticsMount();
-      }
-      // New addition to load script ends
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
+            var sdkName = "rsa.min.js";
+            var scriptLoadingMode = "async";
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            try {
+              new Function('return import("")');
+              window.rudderAnalyticsBuildType = "modern";
+            } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (scriptLoadingMode === "async") {
+                scriptTag.async = true;
+              } else if (scriptLoadingMode === "defer") {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: '__CONFIG_SERVER_HOST__',
+              destSDKBaseURL:
+            '__DEST_SDK_BASE_URL__' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL: '__PLUGINS_BASE_URL__' + window.rudderAnalyticsBuildType + '/plugins',
+              // useServerSideCookies:true,
+              // queueOptions: {
+              //   batch: {
+              //     maxSize: 5 * 1024, // 5KB
+              //   },
+              // },
+              // useBeacon: true,
+              // beaconQueueOptions: {
+              //   flushQueueInterval: 10 * 1000,
+              //   maxItems: 5,
+              // },
+              // sessions: {
+              //   autoTrack: true,
+              //   timeout: 30 * 1000
+              // },
+              storage: {
+                encryption: {
+                  version: 'v3'
+                },
+                migrate: true,
+                // cookie: {
+                //   expires: new Date(Date.now() + 30 * 24 * 60 * 60 * 1000),
+                //   path: '/',
+                //   samesite: 'Lax',
+                //   secure: true,
+                // },
+                // type: 'localStorage',
+                // entries: {
+                //   userId: {
+                //     type: 'cookieStorage',
+                //   },
+                //   userTraits: {
+                //     type: 'localStorage',
+                //   },
+                //   groupId: {
+                //     type: 'none',
+                //   },
+                //   anonymousId: {
+                //     type: 'cookieStorage',
+                //   },
+                // },
+              // },
+              // consentManagement: {
+              //   enabled: true,
+              //   provider: "custom",
+              // },
+              // preConsent: {
+              //   enabled: true,
+              //   storage: {
+              //     strategy: 'session'
+              //   },
+              //   events: {
+              //     delivery: 'buffer'
+              //   }
+              }
+              // plugins: [
+              //   'StorageEncryption',
+              //   'StorageMigrator',
+              //   'XhrQueue'
+              // ]
+            };
 
-      var loadOptions = {
-        logLevel: 'DEBUG',
-        configUrl: '__CONFIG_SERVER_HOST__',
-        destSDKBaseURL:
-          '__DEST_SDK_BASE_URL__' + window.rudderAnalyticsBuildType + '/js-integrations',
-        pluginsSDKBaseURL: '__PLUGINS_BASE_URL__' + window.rudderAnalyticsBuildType + '/plugins',
-        // useServerSideCookies:true,
-        // queueOptions: {
-        //   batch: {
-        //     maxSize: 5 * 1024, // 5KB
-        //   },
-        // },
-        // useBeacon: true,
-        // beaconQueueOptions: {
-        //   flushQueueInterval: 10 * 1000,
-        //   maxItems: 5,
-        // },
-        // sessions: {
-        //   autoTrack: true,
-        //   timeout: 30 * 1000
-        // },
-        storage: {
-          encryption: {
-            version: 'v3'
-          },
-          migrate: true,
-          // cookie: {
-          //   expires: new Date(Date.now() + 30 * 24 * 60 * 60 * 1000),
-          //   path: '/',
-          //   samesite: 'Lax',
-          //   secure: true,
-          // },
-          // type: 'localStorage',
-          // entries: {
-          //   userId: {
-          //     type: 'cookieStorage',
-          //   },
-          //   userTraits: {
-          //     type: 'localStorage',
-          //   },
-          //   groupId: {
-          //     type: 'none',
-          //   },
-          //   anonymousId: {
-          //     type: 'cookieStorage',
-          //   },
-          // },
-        // },
-        // consentManagement: {
-        //   enabled: true,
-        //   provider: "custom",
-        // },
-        // preConsent: {
-        //   enabled: true,
-        //   storage: {
-        //     strategy: 'session'
-        //   },
-        //   events: {
-        //     delivery: 'buffer'
-        //   }
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
+          }
         }
-        // plugins: [
-        //   'StorageEncryption',
-        //   'StorageMigrator',
-        //   'XhrQueue'
-        // ]
-      };
+      })();
 
-      rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
 
       rudderanalytics.identify(
         'customUserID',
diff --git a/packages/loading-scripts/.env.example b/packages/loading-scripts/.env.example
index dedabdc4cd..7f11adf82b 100644
--- a/packages/loading-scripts/.env.example
+++ b/packages/loading-scripts/.env.example
@@ -1,11 +1,3 @@
 # Variables required for the example
 WRITE_KEY=
 DATAPLANE_URL=
-CONFIG_SERVER_HOST=https://api.rudderstack.com
-DEST_SDK_BASE_URL=https://cdn.rudderlabs.com/v1.1/js-integrations/
-BUGSNAG_API_KEY=
-BUGSNAG_RELEASE_STAGE=
-CDN_VERSION_PATH=v1.1
-FEATURE_PRELOAD_BUFFER_WRITE_KEY=
-FEATURE_EVENT_FILTERING_WRITE_KEY=
-FEATURE_DATA_RESIDENCY_WRITE_KEY=
diff --git a/packages/loading-scripts/package.json b/packages/loading-scripts/package.json
index 03f14f0523..3061d81c55 100644
--- a/packages/loading-scripts/package.json
+++ b/packages/loading-scripts/package.json
@@ -21,7 +21,7 @@
   "homepage": "https://github.com/rudderlabs/rudder-sdk-js/blob/main/packages/loading-scripts/README.md",
   "scripts": {
     "clean": "rimraf -rf ./dist && rimraf -rf ./node_modules/.cache && rimraf -rf ./reports",
-    "start": "rollup -c --watch",
+    "start": "rollup -c --watch --environment DEV_SERVER",
     "build": "npm run build:browser",
     "build:browser:modern": "exit 0",
     "build:browser:minified": "rollup -c --environment VERSION:$npm_package_version,UGLIFY",
diff --git a/packages/loading-scripts/project.json b/packages/loading-scripts/project.json
index bf3758de16..34f542b840 100644
--- a/packages/loading-scripts/project.json
+++ b/packages/loading-scripts/project.json
@@ -48,14 +48,14 @@
       "options": {
         "jestConfig": "packages/loading-scripts/jest.config.mjs",
         "passWithNoTests": true,
-        "codeCoverage": true,
+        "codeCoverage": false,
         "watchAll": false,
         "forceExit": true
       },
       "configurations": {
         "ci": {
           "ci": true,
-          "codeCoverage": true
+          "codeCoverage": false
         }
       }
     },
diff --git a/packages/loading-scripts/public/index.html b/packages/loading-scripts/public/index.html
index c2d0cb339a..83433fb607 100644
--- a/packages/loading-scripts/public/index.html
+++ b/packages/loading-scripts/public/index.html
@@ -1,7 +1,6 @@
 <!DOCTYPE html>
 <html>
   <head>
-    <script src="loading-script.js"></script>
     <script>
       rudderanalytics.identify(
         'customUserID',
@@ -77,6 +76,14 @@
       rudderanalytics.ready(function () {
         console.log('All ready!!!');
       });
+
+      document.addEventListener('RSA_Initialised', function (e) {
+        console.log('RSA_Initialised', e.detail.analyticsInstance);
+      });
+
+      document.addEventListener('RSA_Ready', function (e) {
+        console.log('RSA_Ready', e.detail.analyticsInstance);
+      });
     </script>
   </head>
   <body>
diff --git a/packages/loading-scripts/rollup.config.mjs b/packages/loading-scripts/rollup.config.mjs
index 68d52d59c5..96e1c465c0 100644
--- a/packages/loading-scripts/rollup.config.mjs
+++ b/packages/loading-scripts/rollup.config.mjs
@@ -3,6 +3,9 @@ import replace from '@rollup/plugin-replace';
 import terser from '@rollup/plugin-terser';
 import typescript from 'rollup-plugin-typescript2';
 import { DEFAULT_EXTENSIONS } from '@babel/core';
+import htmlTemplate from 'rollup-plugin-generate-html-template';
+import livereload from 'rollup-plugin-livereload';
+import serve from 'rollup-plugin-serve';
 import * as dotenv from 'dotenv';
 
 dotenv.config();
@@ -14,6 +17,7 @@ const shouldUglify = process.env.UGLIFY === 'true';
 
 export function getDefaultConfig(distName) {
   const version = process.env.VERSION || 'dev-snapshot';
+  const isLocalServerEnabled = process.env.DEV_SERVER;
 
   return {
     watch: {
@@ -85,7 +89,25 @@ export function getDefaultConfig(distName) {
           toplevel: true,
           safari10: true,
         } : false,
-      })
+      }),
+      isLocalServerEnabled &&
+      htmlTemplate({
+        template: process.env.TEST_FILE_PATH || 'public/index.html',
+        target: 'index.html',
+        addToHead: true
+      }),
+    isLocalServerEnabled &&
+      serve({
+        open: true,
+        openPage: `/index.html`,
+        contentBase: ['dist'],
+        host: 'localhost',
+        port: 3001,
+        headers: {
+          'Access-Control-Allow-Origin': '*',
+        },
+      }),
+    isLocalServerEnabled && livereload(),
     ],
   };
 }
diff --git a/packages/loading-scripts/src/index.ts b/packages/loading-scripts/src/index.ts
index 859372a987..311e2ce017 100644
--- a/packages/loading-scripts/src/index.ts
+++ b/packages/loading-scripts/src/index.ts
@@ -1,10 +1,4 @@
-/* eslint-disable no-new */
-/* eslint-disable @typescript-eslint/no-implied-eval */
-/* eslint-disable unicorn/no-for-loop */
-/* eslint-disable func-names */
 /* eslint-disable prefer-rest-params */
-/* eslint-disable unicorn/consistent-destructuring */
-
 /* Loading snippet start */
 import type {
   PreloadedEventCall,
@@ -13,94 +7,136 @@ import type {
 } from '@rudderstack/analytics-js';
 
 window.RudderSnippetVersion = '__PACKAGE_VERSION__';
-const sdkBaseUrl = 'https://cdn.rudderlabs.com/v3';
-const sdkName = 'rsa.min.js';
-const asyncScript = true;
-window.rudderAnalyticsBuildType = 'legacy';
-
-(window.rudderanalytics as unknown as PreloadedEventCall[]) = [];
-const methods: string[] = [
-  'setDefaultInstanceKey',
-  'load',
-  'ready',
-  'page',
-  'track',
-  'identify',
-  'alias',
-  'group',
-  'reset',
-  'setAnonymousId',
-  'startSession',
-  'endSession',
-  'consent',
-];
-
-for (let i = 0; i < methods.length; i++) {
-  const method = methods[i] as string;
-  (window.rudderanalytics as unknown as RudderAnalyticsPreloader)[method] = (methodName =>
-    function () {
-      (window.rudderanalytics as unknown as PreloadedEventCall[]).push(
-        [methodName].concat(Array.prototype.slice.call(arguments) as PreloadedEventCall),
-      );
-    })(method);
+const identifier = 'rudderanalytics';
+if (!window[identifier]) {
+  window[identifier] = [] as any;
 }
+const rudderanalytics = window[identifier];
 
-// Feature detection of dynamic imports
-try {
-  new Function('return import("")');
-  window.rudderAnalyticsBuildType = 'modern';
-} catch (e) {
-  // Do nothing
-}
+// Proceed to load the SDK only if it is not already loaded
+if (Array.isArray(rudderanalytics)) {
+  if ((rudderanalytics as any).snippetExecuted === true && window.console && console.error) {
+    console.error('RudderStack JavaScript SDK snippet included more than once.');
+  } else {
+    (rudderanalytics as any).snippetExecuted = true;
+    window.rudderAnalyticsBuildType = 'legacy';
 
-window.rudderAnalyticsMount = () => {
-  /* eslint-disable */
-  // globalThis polyfill as polyfill-fastly.io one does not work in legacy safari
-  if (typeof globalThis === 'undefined') {
-    Object.defineProperty(Object.prototype, '__globalThis_magic__', {
-      get: function get() {
-        return this;
-      },
-      configurable: true,
-    });
-    // @ts-ignore
-    __globalThis_magic__.globalThis = __globalThis_magic__;
-    // @ts-ignore
-    delete Object.prototype.__globalThis_magic__;
-  }
-  /* eslint-disable */
+    const sdkBaseUrl = 'https://cdn.rudderlabs.com/v3';
+    const sdkName = 'rsa.min.js';
+    const scriptLoadingMode = 'async'; // Options: 'async', 'defer', 'none'/'' (empty string)
 
-  const rudderAnalyticsScript = document.createElement('script');
-  rudderAnalyticsScript.src = `${sdkBaseUrl}/${window.rudderAnalyticsBuildType}/${sdkName}`;
-  rudderAnalyticsScript.async = asyncScript;
-  if (document.head) {
-    document.head.appendChild(rudderAnalyticsScript);
-  } else {
-    document.body.appendChild(rudderAnalyticsScript);
-  }
-};
-
-if (typeof Promise === 'undefined' || typeof globalThis === 'undefined') {
-  const rudderAnalyticsPromisesScript = document.createElement('script');
-  rudderAnalyticsPromisesScript.src =
-    'https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount';
-  rudderAnalyticsPromisesScript.async = asyncScript;
-  if (document.head) {
-    document.head.appendChild(rudderAnalyticsPromisesScript);
-  } else {
-    document.body.appendChild(rudderAnalyticsPromisesScript);
-  }
-} else {
-  window.rudderAnalyticsMount();
-}
-/* Loading snippet end */
+    const methods: string[] = [
+      'setDefaultInstanceKey',
+      'load',
+      'ready',
+      'page',
+      'track',
+      'identify',
+      'alias',
+      'group',
+      'reset',
+      'setAnonymousId',
+      'startSession',
+      'endSession',
+      'consent',
+    ];
+
+    // eslint-disable-next-line unicorn/no-for-loop
+    for (let i = 0; i < methods.length; i++) {
+      const method = methods[i] as string;
+      (rudderanalytics as unknown as RudderAnalyticsPreloader)[method] = (methodName =>
+        // eslint-disable-next-line func-names
+        function () {
+          if (Array.isArray(window[identifier])) {
+            (rudderanalytics as unknown as PreloadedEventCall[]).push(
+              [methodName].concat(Array.prototype.slice.call(arguments) as PreloadedEventCall),
+            );
+          } else {
+            (window[identifier] as any)[methodName]?.apply(window[identifier], arguments);
+          }
+        })(method);
+    }
+
+    // Feature detection of dynamic imports
+    try {
+      // eslint-disable-next-line no-new, @typescript-eslint/no-implied-eval
+      new Function('return import("")');
+      window.rudderAnalyticsBuildType = 'modern';
+    } catch (e) {
+      // Do nothing
+    }
 
-const loadOptions = {
-  // configure your load options here
-};
+    const head = document.head || document.getElementsByTagName('head')[0];
 
-(window.rudderanalytics as unknown as RudderAnalytics).load(
-  '<write-key>',
-  '<data-plane-url>',
-  loadOptions,
-);
+    // eslint-disable-next-line compat/compat
+    const body = document.body || document.getElementsByTagName('body')[0];
+
+    window.rudderAnalyticsAddScript = (
+      url: string,
+      extraAttributeKey?: string,
+      extraAttributeVal?: string,
+    ) => {
+      const scriptTag = document.createElement('script');
+      scriptTag.src = url;
+      scriptTag.setAttribute('data-loader', 'RS_JS_SDK');
+      if (extraAttributeKey && extraAttributeVal) {
+        scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+      }
+
+      if (scriptLoadingMode === 'async') {
+        scriptTag.async = true;
+      } else if (scriptLoadingMode === 'defer') {
+        scriptTag.defer = true;
+      }
+
+      if (head) {
+        head.insertBefore(scriptTag, head.firstChild);
+      } else {
+        body.insertBefore(scriptTag, body.firstChild);
+      }
+    };
+
+    window.rudderAnalyticsMount = () => {
+      /* eslint-disable */
+      // globalThis polyfill as polyfill-fastly.io one does not work in legacy safari
+      if (typeof globalThis === 'undefined') {
+        Object.defineProperty(Object.prototype, '__globalThis_magic__', {
+          get: function get() {
+            return this;
+          },
+          configurable: true,
+        });
+        // @ts-ignore
+        __globalThis_magic__.globalThis = __globalThis_magic__;
+        // @ts-ignore
+        delete Object.prototype.__globalThis_magic__;
+      }
+      /* eslint-enable */
+
+      window.rudderAnalyticsAddScript(
+        `${sdkBaseUrl}/${window.rudderAnalyticsBuildType}/${sdkName}`,
+        'data-rsa-write-key',
+        '__WRITE_KEY__',
+      );
+    };
+
+    if (typeof Promise === 'undefined' || typeof globalThis === 'undefined') {
+      window.rudderAnalyticsAddScript(
+        'https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount',
+      );
+    } else {
+      window.rudderAnalyticsMount();
+    }
+    /* Loading snippet end */
+
+    const loadOptions = {
+      // configure your load options here
+    };
+
+    (rudderanalytics as unknown as RudderAnalytics).load(
+      '__WRITE_KEY__',
+      '__DATAPLANE_URL__',
+      loadOptions,
+    );
+  }
+}
diff --git a/packages/loading-scripts/src/types/rudderanalytics.d.ts b/packages/loading-scripts/src/types/rudderanalytics.d.ts
index 3d06353f2b..841e99d66a 100644
--- a/packages/loading-scripts/src/types/rudderanalytics.d.ts
+++ b/packages/loading-scripts/src/types/rudderanalytics.d.ts
@@ -10,5 +10,10 @@ declare global {
     rudderAnalyticsMount: () => void;
     rudderAnalyticsBuildType: 'legacy' | 'modern';
     RudderSnippetVersion?: string;
+    rudderAnalyticsAddScript: (
+      url: string,
+      extraAttributeKey?: string,
+      extraAttributeVal?: string,
+    ) => void;
   }
 }
diff --git a/packages/sanity-suite/project.json b/packages/sanity-suite/project.json
index f5574f3c9a..04f602e881 100644
--- a/packages/sanity-suite/project.json
+++ b/packages/sanity-suite/project.json
@@ -11,14 +11,14 @@
       "options": {
         "jestConfig": "packages/sanity-suite/jest.config.mjs",
         "passWithNoTests": true,
-        "codeCoverage": true,
+        "codeCoverage": false,
         "watchAll": false,
         "forceExit": true
       },
       "configurations": {
         "ci": {
           "ci": true,
-          "codeCoverage": true
+          "codeCoverage": false
         }
       }
     },
diff --git a/packages/sanity-suite/public/v3/index-cdn.html b/packages/sanity-suite/public/v3/index-cdn.html
index be12d74d56..a238295e28 100644
--- a/packages/sanity-suite/public/v3/index-cdn.html
+++ b/packages/sanity-suite/public/v3/index-cdn.html
@@ -21,113 +21,121 @@
         },
       };
       window.OnetrustActiveGroups = ',C0001,C0003,';
+    </script>
 
-      window.RudderSnippetVersion = '3.0.1';
-      var sdkBaseUrl = 'https://cdn.rudderlabs.com/__CDN_VERSION_PATH__';
-      var sdkName = 'rsa.min.js';
-      var asyncScript = true;
-      window.rudderAnalyticsBuildType = 'legacy';
-      window.rudderanalytics = [];
-      var methods = [
-        'setDefaultInstanceKey',
-        'load',
-        'ready',
-        'page',
-        'track',
-        'identify',
-        'alias',
-        'group',
-        'reset',
-        'setAnonymousId',
-        'startSession',
-        'endSession',
-        'consent',
-      ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = (function (methodName) {
-          return function () {
-            window.rudderanalytics.push([methodName].concat(Array.prototype.slice.call(arguments)));
-          };
-        })(method);
-      }
-      try {
-        new Function('return import("")');
-        window.rudderAnalyticsBuildType = 'modern';
-      } catch (e) {}
-      window.rudderAnalyticsMount = function () {
-        if (typeof globalThis === 'undefined') {
-          Object.defineProperty(Object.prototype, '__globalThis_magic__', {
-            get: function get() {
-              return this;
-            },
-            configurable: true,
-          });
-          __globalThis_magic__.globalThis = __globalThis_magic__;
-          delete Object.prototype.__globalThis_magic__;
-        }
-        var rudderAnalyticsScript = document.createElement('script');
-        rudderAnalyticsScript.src = ''
-          .concat(sdkBaseUrl, '/')
-          .concat(window.rudderAnalyticsBuildType, '/')
-          .concat(sdkName);
-        rudderAnalyticsScript.async = asyncScript;
-        if (document.head) {
-          document.head.appendChild(rudderAnalyticsScript);
-        } else {
-          document.body.appendChild(rudderAnalyticsScript);
-        }
-      };
-      if (typeof Promise === 'undefined' || typeof globalThis === 'undefined') {
-        var rudderAnalyticsPromisesScript = document.createElement('script');
-        rudderAnalyticsPromisesScript.src =
-          'https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount';
-        rudderAnalyticsPromisesScript.async = asyncScript;
-        if (document.head) {
-          document.head.appendChild(rudderAnalyticsPromisesScript);
-        } else {
-          document.body.appendChild(rudderAnalyticsPromisesScript);
+    <script>
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-      } else {
-        window.rudderAnalyticsMount();
-      }
-      // New addition to load script ends
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/__CDN_VERSION_PATH__";
+            var sdkName = "rsa.min.js";
+            var scriptLoadingMode = "async";
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            try {
+              new Function('return import("")');
+              window.rudderAnalyticsBuildType = "modern";
+            } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (scriptLoadingMode === "async") {
+                scriptTag.async = true;
+              } else if (scriptLoadingMode === "defer") {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
 
-      // Sets the user ID/anonymous ID
-      // Sending these Identify and Track event to test the preload buffer
-      rudderanalytics.setAnonymousId('automationqa_123');
+            // Sets the user ID/anonymous ID
+            // Sending these Identify and Track event to test the preload buffer
+            rudderanalytics.setAnonymousId('automationqa_123');
 
-      // Identify call
-      rudderanalytics.identify('12345', {
-        name: 'Automation_QA',
-      });
+            // Identify call
+            rudderanalytics.identify('12345', {
+              name: 'Automation_QA',
+            });
 
-      // Track call
-      rudderanalytics.track('test_event', {
-        testProp: 'automationQA_prop1',
-      });
+            // Track call
+            rudderanalytics.track('test_event', {
+              testProp: 'automationQA_prop1',
+            });
 
-      var loadOptions = {
-        logLevel: 'DEBUG',
-        configUrl: '__CONFIG_SERVER_HOST__',
-        destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
-        pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
-        consentManagement: {
-          enabled: true,
-          provider: 'oneTrust',
-        },
-        storage: {
-          migrate: true,
-        },
-        anonymousIdOptions: {
-          autoCapture: {
-            enabled: true,
-            source: 'segment',
-          },
-        },
-      };
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: '__CONFIG_SERVER_HOST__',
+              destSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL: sdkBaseUrl + '/' + window.rudderAnalyticsBuildType + '/plugins',
+              consentManagement: {
+                enabled: true,
+                provider: 'oneTrust',
+              },
+              storage: {
+                migrate: true,
+              },
+              anonymousIdOptions: {
+                autoCapture: {
+                  enabled: true,
+                  source: 'segment',
+                },
+              },
+            };
 
-      rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
+          }
+        }
+      })();
 
       rudderanalytics.ready(function () {
         console.log('We are all set!!!');
diff --git a/packages/sanity-suite/public/v3/index-local.html b/packages/sanity-suite/public/v3/index-local.html
index ca946582b8..99bfacbf15 100644
--- a/packages/sanity-suite/public/v3/index-local.html
+++ b/packages/sanity-suite/public/v3/index-local.html
@@ -21,116 +21,124 @@
         },
       };
       window.OnetrustActiveGroups = ',C0001,C0003,';
-
-      window.RudderSnippetVersion = '3.0.1';
-      var sdkBaseUrl = 'https://cdn.rudderlabs.com/v3';
-      var sdkName = 'rsa.min.js';
-      var asyncScript = true;
-      window.rudderAnalyticsBuildType = 'legacy';
-      window.rudderanalytics = [];
-      var methods = [
-        'setDefaultInstanceKey',
-        'load',
-        'ready',
-        'page',
-        'track',
-        'identify',
-        'alias',
-        'group',
-        'reset',
-        'setAnonymousId',
-        'startSession',
-        'endSession',
-        'consent',
-      ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = (function (methodName) {
-          return function () {
-            window.rudderanalytics.push([methodName].concat(Array.prototype.slice.call(arguments)));
-          };
-        })(method);
-      }
-      try {
-        new Function('return import("")');
-        window.rudderAnalyticsBuildType = 'modern';
-      } catch (e) {}
-      window.rudderAnalyticsMount = function () {
-        if (typeof globalThis === 'undefined') {
-          Object.defineProperty(Object.prototype, '__globalThis_magic__', {
-            get: function get() {
-              return this;
-            },
-            configurable: true,
-          });
-          __globalThis_magic__.globalThis = __globalThis_magic__;
-          delete Object.prototype.__globalThis_magic__;
-        }
-        var rudderAnalyticsScript = document.createElement('script');
-        rudderAnalyticsScript.src = ''
-          .concat(sdkBaseUrl, '/')
-          .concat(window.rudderAnalyticsBuildType, '/')
-          .concat(sdkName);
-        rudderAnalyticsScript.async = asyncScript;
-        // if (document.head) {
-        //   document.head.appendChild(rudderAnalyticsScript);
-        // } else {
-        //   document.body.appendChild(rudderAnalyticsScript);
-        // }
-      };
-      if (typeof Promise === 'undefined' || typeof globalThis === 'undefined') {
-        var rudderAnalyticsPromisesScript = document.createElement('script');
-        rudderAnalyticsPromisesScript.src =
-          'https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount';
-        rudderAnalyticsPromisesScript.async = asyncScript;
-        if (document.head) {
-          document.head.appendChild(rudderAnalyticsPromisesScript);
-        } else {
-          document.body.appendChild(rudderAnalyticsPromisesScript);
+    </script>
+    
+    <script>
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
         }
-      } else {
-        window.rudderAnalyticsMount();
-      }
-      // New addition to load script ends
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/v3";
+            var sdkName = "rsa.min.js";
+            var scriptLoadingMode = "async";
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            try {
+              new Function('return import("")');
+              window.rudderAnalyticsBuildType = "modern";
+            } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (scriptLoadingMode === "async") {
+                scriptTag.async = true;
+              } else if (scriptLoadingMode === "defer") {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              // window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
 
-      // Sets the user ID/anonymous ID
-      // Sending these Identify and Track event to test the preload buffer
-      rudderanalytics.setAnonymousId('automationqa_123');
+            // Sets the user ID/anonymous ID
+            // Sending these Identify and Track event to test the preload buffer
+            rudderanalytics.setAnonymousId('automationqa_123');
 
-      // Identify call
-      rudderanalytics.identify('12345', {
-        name: 'Automation_QA',
-      });
+            // Identify call
+            rudderanalytics.identify('12345', {
+              name: 'Automation_QA',
+            });
 
-      // Track call
-      rudderanalytics.track('test_event', {
-        testProp: 'automationQA_prop1',
-      });
+            // Track call
+            rudderanalytics.track('test_event', {
+              testProp: 'automationQA_prop1',
+            });
 
-      var loadOptions = {
-        logLevel: 'DEBUG',
-        configUrl: '__CONFIG_SERVER_HOST__',
-        destSDKBaseURL:
-          '__DEST_SDK_BASE_URL__' + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
-        pluginsSDKBaseURL:
-          '__REMOTE_MODULES_BASE_PATH__' + '/' + window.rudderAnalyticsBuildType + '/plugins',
-        lockIntegrationsVersion: true,
-        consentManagement: {
-          enabled: true,
-          provider: 'oneTrust',
-        },
-        storage: {
-          migrate: true,
-        },
-        anonymousIdOptions: {
-          autoCapture: {
-            enabled: true,
-            source: 'segment',
-          },
-        },
-      };
+            var loadOptions = {
+              logLevel: 'DEBUG',
+              configUrl: '__CONFIG_SERVER_HOST__',
+              destSDKBaseURL:
+                '__DEST_SDK_BASE_URL__' + '/' + window.rudderAnalyticsBuildType + '/js-integrations',
+              pluginsSDKBaseURL:
+                '__REMOTE_MODULES_BASE_PATH__' + '/' + window.rudderAnalyticsBuildType + '/plugins',
+              lockIntegrationsVersion: true,
+              consentManagement: {
+                enabled: true,
+                provider: 'oneTrust',
+              },
+              storage: {
+                migrate: true,
+              },
+              anonymousIdOptions: {
+                autoCapture: {
+                  enabled: true,
+                  source: 'segment',
+                },
+              },
+            };
 
-      rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
+            rudderanalytics.load('__WRITE_KEY__', '__DATAPLANE_URL__', loadOptions);
+          }
+        }
+      })();
 
       rudderanalytics.ready(function () {
         console.log('We are all set!!!');
diff --git a/packages/sanity-suite/public/v3/index-npm.html b/packages/sanity-suite/public/v3/index-npm.html
index 3265db6128..a37d7eaebd 100644
--- a/packages/sanity-suite/public/v3/index-npm.html
+++ b/packages/sanity-suite/public/v3/index-npm.html
@@ -15,23 +15,46 @@
               { CustomGroupId: 'C0003', GroupName: 'Analytical Cookies' },
               { CustomGroupId: 'C0004', GroupName: 'Targeting Cookies' },
               { CustomGroupId: 'C0005', GroupName: 'Social Media Cookies' },
-              { CustomGroupId: 'C0006', GroupName: 'Advertisement Cookies' }
-            ]
+              { CustomGroupId: 'C0006', GroupName: 'Advertisement Cookies' },
+            ],
           };
-        }
+        },
       };
       window.OnetrustActiveGroups = ',C0001,C0003,';
+    </script>
+    
+    <script>
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
+        }
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
 
-      window.rudderanalytics = [];
-      var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = function(methodName) {
-          return function() {
-            window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-          };
-        }(method);
-      }
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+          }
+        }
+      })();
 
       // Sets the user ID/anonymous ID
       // Sending these Identify and Track event to test the preload buffer
@@ -51,19 +74,25 @@
       rel="stylesheet"
       href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/css/bootstrap.min.css"
       integrity="sha384-xOolHFLEh07PJGoPkLv1IbcEPTNtaed2xpHsD9ESMhqIYd0nLMwNLD69Npy4HI+N"
-      crossorigin="anonymous" />
+      crossorigin="anonymous"
+    />
     <link
       rel="stylesheet"
-      href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.3/font/bootstrap-icons.css" />
+      href="https://cdn.jsdelivr.net/npm/bootstrap-icons@1.10.3/font/bootstrap-icons.css"
+    />
     <script
       src="https://cdn.jsdelivr.net/npm/jquery@3.5.1/dist/jquery.slim.min.js"
       integrity="sha384-DfXdz2htPH0lsSSs5nCTpuj/zy4C+OGpamoFVy38MVBnE+IbbVYUew+OrCXaRkfj"
-      crossorigin="anonymous"></script>
+      crossorigin="anonymous"
+    ></script>
     <script
       src="https://cdn.jsdelivr.net/npm/bootstrap@4.6.2/dist/js/bootstrap.bundle.min.js"
       integrity="sha384-Fy6S3B9q64WdZWQUiU+q4/2Lc9npb8tCaSX9FK7E8HnRr0Jz8D6OP9dO5Vg3Q9ct"
-      crossorigin="anonymous"></script>
-    <script src="https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CglobalThis%2CCMutationObserver%2CArray.from%2CArray.prototype.find%2CArray.prototype.includes%2CPromise%2CString.prototype.endsWith%2CString.prototype.includes%2CString.prototype.startsWith%2CObject.entries%2CObject.values%2CElement.prototype.dataset%2CString.prototype.replaceAll"></script>
+      crossorigin="anonymous"
+    ></script>
+    <script
+      src="https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CglobalThis%2CMutationObserver%2CArray.from%2CArray.prototype.find%2CArray.prototype.includes%2CPromise%2CString.prototype.endsWith%2CString.prototype.includes%2CString.prototype.startsWith%2CObject.entries%2CObject.values%2CElement.prototype.dataset%2CString.prototype.replaceAll"
+    ></script>
     <script>
       if (typeof globalThis === 'undefined') {
         Object.defineProperty(Object.prototype, '__globalThis_magic__', {
diff --git a/packages/sanity-suite/public/v3/integrations/index-cdn.html b/packages/sanity-suite/public/v3/integrations/index-cdn.html
index 3938c9f8ce..3327cf27a2 100644
--- a/packages/sanity-suite/public/v3/integrations/index-cdn.html
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index a754347324..015b1af1d8 100644
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diff --git a/packages/sanity-suite/public/v3/integrations/index-npm.html b/packages/sanity-suite/public/v3/integrations/index-npm.html
index 50e93a27ef..7187ab7eda 100644
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index 3938c9f8ce..3327cf27a2 100644
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@@ -21,77 +21,85 @@
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index a754347324..015b1af1d8 100644
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-        //   document.head.appendChild(rudderAnalyticsScript);
-        // } else {
-        //   document.body.appendChild(rudderAnalyticsScript);
-        // }
-      };
-      if (typeof Promise === 'undefined' || typeof globalThis === 'undefined') {
-        var rudderAnalyticsPromisesScript = document.createElement('script');
-        rudderAnalyticsPromisesScript.src =
-          'https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount';
-        rudderAnalyticsPromisesScript.async = asyncScript;
-        if (document.head) {
-          document.head.appendChild(rudderAnalyticsPromisesScript);
-        } else {
-          document.body.appendChild(rudderAnalyticsPromisesScript);
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
+            window.rudderAnalyticsBuildType = "legacy";
+            var sdkBaseUrl = "https://cdn.rudderlabs.com/__CDN_VERSION_PATH__";
+            var sdkName = "rsa.min.js";
+            var scriptLoadingMode = "async";
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+            try {
+              new Function('return import("")');
+              window.rudderAnalyticsBuildType = "modern";
+            } catch (e) {}
+            var head = document.head || document.getElementsByTagName("head")[0];
+            var body = document.body || document.getElementsByTagName("body")[0];
+            window.rudderAnalyticsAddScript = function(url, extraAttributeKey, extraAttributeVal) {
+              var scriptTag = document.createElement("script");
+              scriptTag.src = url;
+              scriptTag.setAttribute("data-loader", "RS_JS_SDK");
+              if (extraAttributeKey && extraAttributeVal) {
+                scriptTag.setAttribute(extraAttributeKey, extraAttributeVal);
+              }
+              if (scriptLoadingMode === "async") {
+                scriptTag.async = true;
+              } else if (scriptLoadingMode === "defer") {
+                scriptTag.defer = true;
+              }
+              if (head) {
+                head.insertBefore(scriptTag, head.firstChild);
+              } else {
+                body.insertBefore(scriptTag, body.firstChild);
+              }
+            };
+            window.rudderAnalyticsMount = function() {
+              if (typeof globalThis === "undefined") {
+                Object.defineProperty(Object.prototype, "__globalThis_magic__", {
+                  get: function get() {
+                    return this;
+                  },
+                  configurable: true
+                });
+                __globalThis_magic__.globalThis = __globalThis_magic__;
+                delete Object.prototype.__globalThis_magic__;
+              }
+              // window.rudderAnalyticsAddScript("".concat(sdkBaseUrl, "/").concat(window.rudderAnalyticsBuildType, "/").concat(sdkName), "data-rsa-write-key", "__WRITE_KEY__");
+            };
+            if (typeof Promise === "undefined" || typeof globalThis === "undefined") {
+              window.rudderAnalyticsAddScript("https://polyfill-fastly.io/v3/polyfill.min.js?version=3.111.0&features=Symbol%2CPromise&callback=rudderAnalyticsMount");
+            } else {
+              window.rudderAnalyticsMount();
+            }
+          }
         }
-      } else {
-        window.rudderAnalyticsMount();
-      }
-      // New addition to load script ends
+      })();
 
       var loadOptions = {
         logLevel: 'DEBUG',
diff --git a/packages/sanity-suite/public/v3/manualLoadCall/index-npm.html b/packages/sanity-suite/public/v3/manualLoadCall/index-npm.html
index 50e93a27ef..7187ab7eda 100644
--- a/packages/sanity-suite/public/v3/manualLoadCall/index-npm.html
+++ b/packages/sanity-suite/public/v3/manualLoadCall/index-npm.html
@@ -15,23 +15,46 @@
               { CustomGroupId: 'C0003', GroupName: 'Analytical Cookies' },
               { CustomGroupId: 'C0004', GroupName: 'Targeting Cookies' },
               { CustomGroupId: 'C0005', GroupName: 'Social Media Cookies' },
-              { CustomGroupId: 'C0006', GroupName: 'Advertisement Cookies' }
-            ]
+              { CustomGroupId: 'C0006', GroupName: 'Advertisement Cookies' },
+            ],
           };
-        }
+        },
       };
       window.OnetrustActiveGroups = ',C0001,C0003,';
+    </script>
+    
+    <script>
+      (function() {
+        "use strict";
+        window.RudderSnippetVersion = "3.0.9";
+        var identifier = "rudderanalytics";
+        if (!window[identifier]) {
+          window[identifier] = [];
+        }
+        var rudderanalytics = window[identifier];
+        if (Array.isArray(rudderanalytics)) {
+          if (rudderanalytics.snippetExecuted === true && window.console && console.error) {
+            console.error("RudderStack JavaScript SDK snippet included more than once.");
+          } else {
+            rudderanalytics.snippetExecuted = true;
 
-      window.rudderanalytics = [];
-      var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
-      for (var i = 0; i < methods.length; i++) {
-        var method = methods[i];
-        window.rudderanalytics[method] = function(methodName) {
-          return function() {
-            window.rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
-          };
-        }(method);
-      }
+            var methods = [ "setDefaultInstanceKey", "load", "ready", "page", "track", "identify", "alias", "group", "reset", "setAnonymousId", "startSession", "endSession", "consent" ];
+            for (var i = 0; i < methods.length; i++) {
+              var method = methods[i];
+              rudderanalytics[method] = function(methodName) {
+                return function() {
+                  if (Array.isArray(window[identifier])) {
+                    rudderanalytics.push([ methodName ].concat(Array.prototype.slice.call(arguments)));
+                  } else {
+                    var _methodName;
+                    (_methodName = window[identifier][methodName]) === null || _methodName === void 0 || _methodName.apply(window[identifier], arguments);
+                  }
+                };
+              }(method);
+            }
+          }
+        }
+      })();
     </script>
     <link
       rel="stylesheet"
diff --git a/patches/rollup-plugin-generate-html-template+1.7.0.patch b/patches/rollup-plugin-generate-html-template+1.7.0.patch
index 027277ce5d..faaae25ee5 100644
--- a/patches/rollup-plugin-generate-html-template+1.7.0.patch
+++ b/patches/rollup-plugin-generate-html-template+1.7.0.patch
@@ -1,18 +1,40 @@
 diff --git a/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.js b/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.js
-index 7935008..0155c14 100644
+index 7935008..f9d49c8 100644
 --- a/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.js
 +++ b/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.js
-@@ -3441,7 +3441,8 @@ function htmlTemplate(options = {}) {
+@@ -3441,7 +3441,9 @@ function htmlTemplate(options = {}) {
      target,
      prefix,
      attrs,
 -    replaceVars
 +    replaceVars,
-+    noInject
++    noInject,
++    addToHead
    } = options;
    const scriptTagAttributes = attrs && attrs.length > 0 ? attrs : [];
    return {
-@@ -3491,7 +3492,7 @@ function htmlTemplate(options = {}) {
+@@ -3482,16 +3484,24 @@ function htmlTemplate(options = {}) {
+ 
+           let injected = tmpl; // Inject the style tags before the head close tag
+ 
+-          const headCloseTag = injected.lastIndexOf("</head>"); // Inject the script tags before the body close tag
++          if (addToHead) {
++            const headOpenTag = injected.indexOf("<head>");
+ 
+-          injected = [injected.slice(0, headCloseTag), ...bundleKeys.filter(f => path.extname(f) === ".css").map(b => `<link rel="stylesheet" type="text/css" href="${prefix || ""}${b}">\n`), injected.slice(headCloseTag, injected.length)].join("");
+-          const bodyCloseTag = injected.lastIndexOf("</body>"); // Inject the script tags before the body close tag
++            injected = [injected.slice(0, headOpenTag + 6), ...bundleKeys.filter(f => path.extname(f) === ".css").map(b => `<link rel="stylesheet" type="text/css" href="${prefix || ""}${b}">\n`), injected.slice(headOpenTag + 6, injected.length)].join("");
+ 
+-          injected = [injected.slice(0, bodyCloseTag), ...bundleKeys.filter(f => path.extname(f) === ".js").map(b => `<script ${scriptTagAttributes.join(" ")} src="${bundleDirString}${prefix || ""}${b}"></script>\n`), injected.slice(bodyCloseTag, injected.length)].join(""); // write the injected template to a file
++            injected = [injected.slice(0, headOpenTag + 6), ...bundleKeys.filter(f => path.extname(f) === ".js").map(b => `<script ${scriptTagAttributes.join(" ")} src="${bundleDirString}${prefix || ""}${b}"></script>\n`), injected.slice(headOpenTag + 6, injected.length)].join("");
++          } else {
++            const headCloseTag = injected.lastIndexOf("</head>"); // Inject the script tags before the body close tag
++
++            injected = [injected.slice(0, headCloseTag), ...bundleKeys.filter(f => path.extname(f) === ".css").map(b => `<link rel="stylesheet" type="text/css" href="${prefix || ""}${b}">\n`), injected.slice(headCloseTag, injected.length)].join("");
++            const bodyCloseTag = injected.lastIndexOf("</body>"); // Inject the script tags before the body close tag
++
++            injected = [injected.slice(0, bodyCloseTag), ...bundleKeys.filter(f => path.extname(f) === ".js").map(b => `<script ${scriptTagAttributes.join(" ")} src="${bundleDirString}${prefix || ""}${b}"></script>\n`), injected.slice(bodyCloseTag, injected.length)].join(""); // write the injected template to a file
++          }
  
            const finalTarget = path.join(targetDir, targetFile);
            await lib.ensureFile(finalTarget);
@@ -22,7 +44,7 @@ index 7935008..0155c14 100644
          } catch (e) {
            reject(e);
 diff --git a/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.module.js b/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.module.js
-index 81116b3..05878ac 100644
+index 81116b3..3461132 100644
 --- a/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.module.js
 +++ b/node_modules/rollup-plugin-generate-html-template/dist/rollup-plugin-generate-html-template.module.js
 @@ -3437,7 +3437,8 @@ function htmlTemplate(options = {}) {