Yevhen

<h4>Features</h4>
<ul>
<li>Grouping several scripts into single file (to minimize http requests count)</li>
<li>Combine several CSS files into single files (with grouping by “media”)</li>
<li>Pack scripts using Dean Edwards’s JavaScript Packer or Minify (by Steve Clay)</li>
<li>Minify CSS files (remove comments, tabs, spaces, newlines)</li>
<li>Support conditional JS and CSS (html5.js, IE CSS, <!–[if lt IE 9]>)</li>
<li>Support JavaScript L10n / I18n (wp_localize_script)</li>
<li>Put JavaScript at bottom</li>
<li>Ability to include JavaScript and CSS files</li>
<li>Network / WPMU support</li>
</ul>
<h4>Requirements</h4>
<ul>
<li>Cache directory <code>/wp-content/cache/</code> should be writable</li>
<li>This Plugin processing only those scripts that are included properly (using “wp_enqueue_script” or “wp_enqueue_style” function)</li>
<li>Read <a href="https://developer.wordpress.org/themes/basics/including-css-javascript/" rel="nofollow ugc">Including CSS & JavaScript</a></li>
<li>If any script fails and web-browser console shows errors you can add this JS to exclude list</li>
</ul>
<p>For more info visit <a title="This WordPress plugin home page" href="http://4coder.info/en/code/wordpress-plugins/js-css-script-optimizer/" rel="nofollow ugc">http://4coder.info/en/code/wordpress-plugins/js-css-script-optimizer/</a>.</p>


JS & CSS Script Optimizer

Make your Website faster by packing and grouping JavaScript and CSS files. Also it provides an opportunity to add CSS & JS via admin panel.

LuckyWP

<p>The “LuckyWP Scripts Control” plugin allows you to insert and manage custom code into website. For example, you can insert Google Analytics code, Google Search Console verification meta tag, Facebook pixel, custom CSS/JS and other code without edit theme files.</p>
<h4>Features</h4>
<ul>
<li>Great user interface: simple and functionally.</li>
<li>Insert code before <code></head></code>, after <code><body></code> or before <code></body></code>.</li>
<li>Items sortable.</li>
<li>Add <strong>Google Analytics</strong> code.</li>
<li>Add <strong>Google Verification</strong> meta tag.</li>
<li>Add <strong>Google Tag Manager</strong> code.</li>
<li>Add <strong>Facebook pixel</strong> code.</li>
<li>Add custom meta tags.</li>
<li>Add custom JS/CSS/HTML code.</li>
<li>RTL support.</li>
</ul>


LuckyWP Scripts Control

A great way to insert and manage custom code (CSS, JS, meta tags, etc.) into website before </head>, after <body> or before </body>.

JS & CSS Script Optimizer vs LuckyWP Scripts Control