GatorDog

Gator Cache is an easy to manage page cache for WordPress. Once installed, it automatically updates new and updated content in your cache. This keeps your website fresh while adding the superior performance advantage of a cache. Key features are as follows:
<ul>
<li>Greatly increases site performance by adding a page cache</li>
<li>Automatic update of cache when content is published or updated</li>
<li>Automatic update of cache when comments are approved</li>
<li>Compatible with WooCommerce, will not cache mini-cart in page</li>
<li>Compatible with bbPress, updates when topics, replies, etc are added</li>
<li>Compatible with WordPress HTTPS, will cache pages secured by the plugin when applicable</li>
<li>Compatible with WordPress Multisite</li>
<li>Compatible with Autoptimize</li>
<li>Compatible with JetPack Mobile Site</li>
<li>Compatible with WPMinifyFix</li>
<li>Posts can be cached for logged-in WordPress users by role. You can cache pages for Subscribers, Customers or other roles while skipping the cache for Administrators</li>
<li>Http caching supported with Apache and Nginx</li>
</ul>

Gator Cache

A better, stronger, faster page cache for WordPress. Performance that's easy to manage.

asadkn

A plugin for Advanced Users to Optimize CSS Delivery, Remove Unused CSS, Optimize Javascript Delivery with defer or delay load JS. 
The perfect toolkit for improving your Core Web Vitals and overall website performance.
WARNING: It’s a powerful speed optimization plugin that’s meant for power users who know what they’re doing.
Features:
<ul>
<li>Optimize CSS: Fix Render-Blocking.</li>
<li>Minify and Inline CSS.</li>
<li>Remove Unused CSS (Advanced).</li>
<li>Optimize JS: Fix Render-Blocking with defer.</li>
<li>Delay Load some JS until user interaction.</li>
<li>Adds resource hints for faster Google Fonts.</li>
<li>Built-in optimizations for Elementor (free version).</li>
<li>Built-in optimizations for WPBakery Page Builder. </li>
<li>Compatible with all themes and plugins.</li>
<li>Supports all modern browsers (no IE11 support).</li>
<li>Optimized code benchmarked for performance.</li>
<li>Built-in cache for processing.</li>
<li>Compatible with cache plugins (disable their JS and CSS optimizations).</li>
<li>API and hooks for theme & plugin authors.</li>
</ul>

Debloat – Remove Unused CSS, Optimize JS

Remove Unused CSS, Optimize CSS, Optimize JS and speed up your site.

Gator Cache vs Debloat – Remove Unused CSS, Optimize JS