diff --git a/.github/workflows/quality-checks.yaml b/.github/workflows/quality-checks.yaml
index d65862a..af0f44d 100644
--- a/.github/workflows/quality-checks.yaml
+++ b/.github/workflows/quality-checks.yaml
@@ -11,6 +11,7 @@ jobs:
           - lint:css
           - lint:md
           - lint:md:urls:relative
+          - lint:md:urls:external
           - lint:md:consistency
     steps:
       - name: Checkout
diff --git a/.remark-lint-no-dead-urls.mjs b/.remark-lint-no-dead-urls.mjs
new file mode 100644
index 0000000..610f197
--- /dev/null
+++ b/.remark-lint-no-dead-urls.mjs
@@ -0,0 +1,14 @@
+import remarkNoDeadUrls from "remark-lint-no-dead-urls";
+
+/** @type {Omit<import('unified-engine').Options, 'processor'>} */
+export default {
+  plugins: [
+    remarkNoDeadUrls,
+    {
+      skipUrlPatterns: [
+        // These return 403 (Forbidden) to checks
+        'https://codepen.io',
+      ],
+    },
+  ],
+};
diff --git a/README.md b/README.md
index 6e66e77..b490317 100644
--- a/README.md
+++ b/README.md
@@ -199,7 +199,7 @@ You can choose one of the following existing themes to begin:
 
 ##### Custom Themes
 
-Or you can create your own theme & import it. Check example themes at [existing themes](./src/themes/). [The HTML](./src/ez-consent.js#L18) uses only a few classes using [BEM](http://getbem.com/naming/) naming convention.
+Or you can create your own theme & import it. Check example themes at [existing themes](./src/themes/). [The HTML](./src/ez-consent.js#L18) uses only a few classes using [BEM](https://getbem.com/naming/) naming convention.
 
 You can also add your own class names using `css_classes` option, see [initialization](#2-initialize) for details.
 
diff --git a/package.json b/package.json
index 0f2e9b9..9e92c3f 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "lint:css": "stylelint \"**/*.css\"",
     "lint:md": "markdownlint **/*.md --ignore node_modules",
     "lint:md:urls:relative": "remark . --frail --use remark-validate-links",
-    "lint:md:urls:external": "remark . --frail --use remark-lint-no-dead-urls",
+    "lint:md:urls:external": "remark . --frail --rc-path .remark-lint-no-dead-urls.mjs",
     "lint:md:consistency": "remark . --frail --use remark-preset-lint-consistent"
   },
   "repository": {