digitalapps

<p>This plugins detects all of the styles queued via wp_enqueue_style. Contents of each css file are copied and stored in a single css file. This file is loaded on the frontend. The plugin wp_dequeue_style and wp_deregister_style all other css files. The result is your website only makes one single http request to load css styling. Bonus feature the contents of the css file are minified.</p>
<p>Simply flip the switch and the plugin will do the rest.</p>
<p>NOTE: I have only tested this plugin on my own sites running the AdSense Theme. If you encounter a problem with this plugin please let me know. I will be able to help you.</p>


WP CSS Merge

This plugins detects all of the styles queued via wp_enqueue_style. Contents of each css file are copied and stored in a single css file.

Ty Bone

NodeCode

<p>This plugin is a fork of <a href="https://wordpress.org/plugins/wp-minify/" rel="ugc">WP Minify</a> to fix bugs and add features, because it has not been updated since 2012-6-4.</p>
<p>This plugin integrates the <a href="https://github.com/mrclay/minify" rel="nofollow ugc">Minify engine</a><br />
into your WordPress blog.  Once enabled, this plugin will combine and compress<br />
JS and CSS files to improve page load time.</p>
<h4>What has been fixed?</h4>
<ul>
<li>Minify engine updated to version 2.1.7</li>
<li>Cache interval option has been fixed</li>
<li>Move CSS-@imports to the top of the output</li>
<li>Bottom CSS- and JavaScript output fixed</li>
<li>Support for script tags without <code>type="text/javascript"</code></li>
<li>Detection of protocol-relative URLs as external file (e.g. Google AdSense)</li>
<li>New option for the HTML5 async attribute</li>
<li>A separate JavaScript file in the footer is now possible</li>
</ul>
<h4>How Does it Work?</h4>
<p>WP Minify Fix grabs JS/CSS files in your generated WordPress page and passes that<br />
list to the Minify engine. The Minify engine then returns a consolidated,<br />
minified, and compressed script or style for WP Minify to reference in the<br />
WordPress header.</p>
<h4>Features</h4>
<ul>
<li>Easily integrate Minify into your WordPress blog.</li>
<li>Minifies JavaScript, CSS, and HTML.</li>
<li>Debug tools to help you debug your issues.</li>
<li>Ability to include extra JS and CSS files for Minifying.</li>
<li>Ability to exclude certain JS and CSS files for Minifying.</li>
<li>Minified JS and CSS files can be placed wherever you want.</li>
<li>Support for to minifying external files via caching.</li>
<li>Ability to pass extra arguments to Minify engine.</li>
<li>Expire headers for minified JS and CSS files.</li>
<li>Detection and elimination of duplicate sources.</li>
<li>Plugin hooks!</li>
</ul>
<p>You can also commit changes on our <a href="https://github.com/nodecode/wp-minify-fix" rel="nofollow ugc">Github repository</a>.</p>
<h3>License</h3>
<p>All contents under the wp-minify-fix/min/ directory is licensed under<br />
<a href="http://www.opensource.org/licenses/bsd-license.php" rel="nofollow ugc">New BSD License</a> (which is<br />
<a href="http://www.gnu.org/copyleft/gpl.html" rel="nofollow ugc">GPL</a> compatible).  All other<br />
contents within this package is licensed under GPLv3.</p>


WP Minify Fix

Doesn't seem to work

Good job and simple

[Fixed] This plugin uses the Minify engine to combine and compress JS and CSS files to improve page load time.

WP CSS Merge vs WP Minify Fix