diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..757fee3
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/.idea
\ No newline at end of file
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..399ed6c
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,29 @@
+BSD 3-Clause License
+
+Copyright (c) 2017, Emagedev
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+  list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+  this list of conditions and the following disclaimer in the documentation
+  and/or other materials provided with the distribution.
+
+* Neither the name of the copyright holder nor the names of its
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/add-to-nginx.conf b/add-to-nginx.conf
new file mode 100644
index 0000000..faf5e32
--- /dev/null
+++ b/add-to-nginx.conf
@@ -0,0 +1,8 @@
+
+
+server {
+    location ~* .(css|js)$ {
+        rewrite "^(?<file_request_uri>.*)(?<hash>\.[\da-f]{8})\.(?<ext>[\d\w]{2,5})$" $file_request_uri.$ext last;
+	    expires 31d;
+    }
+}
\ No newline at end of file
diff --git a/app/code/community/Emagedev/CacheControl/Block/Html/Head.php b/app/code/community/Emagedev/CacheControl/Block/Html/Head.php
new file mode 100755
index 0000000..2fa87ad
--- /dev/null
+++ b/app/code/community/Emagedev/CacheControl/Block/Html/Head.php
@@ -0,0 +1,321 @@
+<?php
+/**
+ * Emagedev extension for Magento
+ *
+ * NOTICE OF LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * https://opensource.org/licenses/BSD-3-Clause
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@emagedev.com so we can send you a copy immediately.
+ *
+ * DISCLAIMER
+ *
+ * Do not edit or add to this file if you wish to upgrade
+ * the Omedrec Welcome module to newer versions in the future.
+ * If you wish to customize the Omedrec Welcome module for your needs
+ * please refer to http://www.magentocommerce.com for more information.
+ *
+ * @copyright  Copyright (C) Emagedev, LLC (https://www.emagedev.com/)
+ * @license    https://opensource.org/licenses/BSD-3-Clause     New BSD License
+ */
+
+/**
+ * @category   Emagedev
+ * @package    Emagedev_CacheControl
+ * @subpackage Model
+ * @author     Dmitry Burlakov <dantaeusb@icloud.com>
+ */
+
+/**
+ * Class Emagedev_CacheControl_Block_Html_Head
+ *
+ * Append crc hashsum codes to scripts and styles to prevent customer browser caching
+ */
+class Emagedev_CacheControl_Block_Html_Head extends Mage_Page_Block_Html_Head
+{
+    /**
+     * Append hash like %path%/%file%.%hash%.%ext%
+     */
+    const METHOD_VERSION = 'version';
+
+    /**
+     * Append hash like %path%/%file%.%ext%?%hash%
+     */
+    const METHOD_QUERY = 'query';
+
+    /**
+     * @var bool Check is cache for this block is enabled
+     */
+    protected $_cacheEnabled;
+
+    /**
+     * Version method recommended by RFC
+     *
+     * @var string Method which used to append hash
+     */
+    protected $method = self::METHOD_VERSION;
+
+    /**
+     * Get magento cache instance
+     *
+     * @return Mage_Core_Model_Cache
+     */
+    protected function _getMagentoCache()
+    {
+        return Mage::app()->getCache();
+    }
+
+    /**
+     * Get cache key for hashed url
+     *
+     * @param string $name
+     * @param string $type
+     *
+     * @return string
+     */
+    protected function _getCacheName($name, $type = 'tag')
+    {
+        return implode('_', array('head_tag', $type, $name));
+    }
+
+    protected function _isBlockCacheEnabled()
+    {
+        if (is_null($this->_cacheEnabled)) {
+            $this->_cacheEnabled = Mage::app()->useCache(
+                Mage_Core_Block_Abstract::CACHE_GROUP
+            );
+        }
+        return $this->_cacheEnabled;
+    }
+
+    /**
+     * Merge static and skin files of the same format into 1 set of HEAD directives or even into 1 directive
+     *
+     * Will attempt to merge into 1 directive, if merging callback is provided. In this case it will generate
+     * filenames, rather than render urls.
+     * The merger callback is responsible for checking whether files exist, merging them and giving result URL
+     *
+     * @param string   $format      - HTML element format for sprintf('<element src="%s"%s />', $src, $params)
+     * @param array    $staticItems - array of relative names of static items to be grabbed from js/ folder
+     * @param array    $skinItems   - array of relative names of skin items to be found in skins according to design config
+     * @param callback $mergeCallback
+     *
+     * @return string
+     */
+    protected function &_prepareStaticAndSkinElements(
+        $format, array $staticItems, array $skinItems,
+        $mergeCallback = null
+    ) {
+        $designPackage = Mage::getDesign();
+        $baseJsUrl = Mage::getBaseUrl('js');
+        $items = array();
+        if ($mergeCallback && !is_callable($mergeCallback)) {
+            $mergeCallback = null;
+        }
+
+        // get static files from the js folder, no need in lookups
+        foreach ($staticItems as $params => $rows) {
+            foreach ($rows as $name) {
+                $items[$params][] = $mergeCallback ?
+                    Mage::getBaseDir() . DS . 'js' . DS . $name
+                    : $baseJsUrl . $this->_appendJsFileHashsum($name);
+            }
+        }
+
+        // lookup each file basing on current theme configuration
+        foreach ($skinItems as $params => $rows) {
+            foreach ($rows as $name) {
+                $items[$params][] = $mergeCallback
+                    ? $designPackage->getFilename(
+                        $name, array('_type' => 'skin')
+                    )
+                    : $this->_appendSkinFileHashsum($name);
+            }
+        }
+
+        $html = '';
+        foreach ($items as $params => $rows) {
+            // attempt to merge
+            $mergedUrl = false;
+            if ($mergeCallback) {
+                $mergedUrl = call_user_func($mergeCallback, $rows);
+                $mergedUrl = $this->_appendHashToMergedFile(
+                    $mergedUrl, $rows, $mergeCallback[1]
+                );
+            }
+            // render elements
+            $params = trim($params);
+            $params = $params ? ' ' . $params : '';
+            if ($mergedUrl) {
+                $html .= sprintf($format, $mergedUrl, $params);
+            } else {
+                foreach ($rows as $src) {
+                    $html .= sprintf($format, $src, $params);
+                }
+            }
+        }
+        return $html;
+    }
+
+    /**
+     * Append crc32 hashsum to js files
+     *
+     * @param string $name
+     *
+     * @return string
+     */
+    protected function _appendJsFileHashsum($name)
+    {
+        $cache = $this->_getMagentoCache();
+        $cacheKey = $this->_getCacheName('js', $name);
+
+        if ($this->_isBlockCacheEnabled()) {
+            $url = $cache->load($cacheKey);
+            if ($url) {
+                return $url;
+            }
+        }
+
+        $baseJsDir = Mage::getBaseDir() . DS . 'js';
+        $file = $baseJsDir . DS . $name;
+        $url = $this->_appendFileHashToUrl($name, $file);
+
+        if ($this->_isBlockCacheEnabled()) {
+            $cache->save(
+                $url, $cacheKey, array(Mage_Core_Block_Abstract::CACHE_GROUP)
+            );
+        }
+
+        return $url;
+    }
+
+    /**
+     * Append crc32 hashsum to skin js/css
+     *
+     * @param string $name
+     *
+     * @return string
+     */
+    protected function _appendSkinFileHashsum($name)
+    {
+        $cache = $this->_getMagentoCache();
+        $cacheKey = $this->_getCacheName('skin', $name);
+
+        if ($this->_isBlockCacheEnabled()) {
+            $url = $cache->load($cacheKey);
+            if ($url) {
+                return $url;
+            }
+        }
+
+        $designPackage = Mage::getDesign();
+        $url = $designPackage->getSkinUrl($name);
+        $file = $designPackage->getFilename(
+            trim($name, DS), array('_type' => 'skin')
+        );
+        $url = $this->_appendFileHashToUrl($url, $file);
+
+        if ($this->_isBlockCacheEnabled()) {
+            $cache->save(
+                $url, $cacheKey, array(Mage_Core_Block_Abstract::CACHE_GROUP)
+            );
+        }
+
+        return $url;
+    }
+
+    /**
+     * Get merged file, append crc32 hashsum to url
+     *
+     * @param string $url   merged file url
+     * @param string $files files to merge
+     * @param string $mergeCallbackFunction
+     *
+     * @return string
+     */
+    protected function _appendHashToMergedFile(
+        $url, $files, $mergeCallbackFunction
+    ) {
+        $cache = $this->_getMagentoCache();
+        $cacheKey = $this->_getCacheName('url', $url);
+
+        if ($this->_isBlockCacheEnabled()) {
+            $hashedUrl = $cache->load($cacheKey);
+            if ($hashedUrl) {
+                return $hashedUrl;
+            }
+        }
+
+        if (strpos($mergeCallbackFunction, 'Js') != false) {
+            $type = 'js';
+            $extension = '.js';
+        } else {
+            if (strpos($mergeCallbackFunction, 'Css') != false) {
+                $isSecure = Mage::app()->getRequest()->isSecure();
+                $type = $isSecure ? 'css_secure' : 'css';
+                $extension = '.css';
+            } else {
+                return $url;
+            }
+        }
+
+        $baseMediaUrl = Mage::getBaseUrl('media', $isSecure);
+        $hostname = parse_url($baseMediaUrl, PHP_URL_HOST);
+        $port = parse_url($baseMediaUrl, PHP_URL_PORT);
+
+        $targetFilename
+            = md5(implode(',', $files) . "|{$hostname}|{$port}") . $extension;
+        $file = Mage::getBaseDir('media') . DS . $type . DS . $targetFilename;
+        $hashedUrl = $this->_appendFileHashToUrl($url, $file);
+
+        if ($this->_isBlockCacheEnabled()) {
+            $cache->save(
+                $hashedUrl, $cacheKey,
+                array(Mage_Core_Block_Abstract::CACHE_GROUP)
+            );
+        }
+
+        return $hashedUrl;
+    }
+
+    /**
+     * Append crc32 hash of $file as parameter to $url
+     *
+     * @param string $url
+     * @param string $file
+     *
+     * @return string
+     */
+    protected function _appendFileHashToUrl($url, $file)
+    {
+        if (!file_exists($file)) {
+            return $url;
+        }
+
+        $hash = hash_file('crc32', $file);
+        return $this->_appendHashToUrl($url, $hash);
+    }
+
+    /**
+     * Append $hash as parameter to $url
+     *
+     * @param $url
+     * @param $hash
+     *
+     * @return string
+     */
+    protected function _appendHashToUrl($url, $hash)
+    {
+        if ($this->method == self::METHOD_QUERY) {
+            return $hash ? sprintf('%s?%s', $url, $hash) : $url;
+        } else {
+            $matches = array();
+            preg_match('/^(?<uri>.*)(?<ext>\.[\d\w]{2,5})(?<query>$|\?.*)$/i', $url, $matches);
+            return $matches['uri'] . '.' . $hash . $matches['ext'] . $matches['query'];
+        }
+    }
+} 
\ No newline at end of file
diff --git a/app/code/community/Emagedev/CacheControl/etc/config.xml b/app/code/community/Emagedev/CacheControl/etc/config.xml
new file mode 100755
index 0000000..1c2ec18
--- /dev/null
+++ b/app/code/community/Emagedev/CacheControl/etc/config.xml
@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<config>
+    <modules>
+        <Emagedev_CacheControl>
+            <version>0.9.0</version>
+        </Emagedev_CacheControl>
+    </modules>
+    <global>
+        <blocks>
+            <emagedev_cachecontol>
+                <class>Emagedev_CacheControl_Block</class>
+            </emagedev_cachecontol>
+            <page>
+                <rewrite>
+                    <html_head>Emagedev_CacheControl_Block_Html_Head</html_head>
+                </rewrite>
+            </page>
+        </blocks>
+    </global>
+</config>
\ No newline at end of file
diff --git a/app/etc/modules/Emagedev_CacheControl.xml b/app/etc/modules/Emagedev_CacheControl.xml
new file mode 100644
index 0000000..c3a7e4d
--- /dev/null
+++ b/app/etc/modules/Emagedev_CacheControl.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<config>
+    <modules>
+        <Emagedev_CacheControl>
+            <active>true</active>
+            <codePool>community</codePool>
+            <depends>
+                <Mage_Page />
+            </depends>
+        </Emagedev_CacheControl>
+    </modules>
+</config>
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..c3dfbde
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,25 @@
+{
+  "name": "emagedev/cachecontrol",
+  "description": "Add Hashes To Your Magento™ 1.9 Skin CSS, JS, And Merged Files To Prevent Browser Caching ",
+  "type": "magento-module",
+  "license": "BSD-3-Clause",
+  "version": "0.1.0",
+  "authors": [
+    {
+      "name": "Dmitry Burlakov",
+      "email": "dantaeusb@icloud.com"
+    }
+  ],
+  "require": {
+    "magento-hackathon/magento-composer-installer": "*"
+  },
+  "require-dev": {
+    "ecomdev/ecomdev_phpunit": "*"
+  },
+  "repositories": [
+    {
+      "type": "vcs",
+      "url": "https://github.com/Emagedev/CacheControl.git"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/modman b/modman
new file mode 100644
index 0000000..865771f
--- /dev/null
+++ b/modman
@@ -0,0 +1,3 @@
+app/code/community/Emagedev/CacheControl app/code/community/Emagedev/CacheControl
+app/etc/modules/CacheControl.xml app/etc/modules/CacheControl.xml
+LICENSE app/code/community/Emagedev/CacheControl/LICENSE
\ No newline at end of file
diff --git a/readme.md b/readme.md
new file mode 100644
index 0000000..9b68b0f
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,3 @@
+# Add Hashes To Your Magento™ 1.9 Skin CSS, JS, And Merged Files To Prevent Browser Caching 
+
+> **N.B. This is a early pre-release of module, use at your own risk.**
\ No newline at end of file