Calvin Roger Canas

A wordpress plugin version of QueryLoader2. Read more about it here: https://github.com/Gaya/QueryLoader2
QueryLoader2 is a better version of the old script posted in 2009. It serves the main purpose of preloading the images on your website by showing an overlay and a loading bar. It automatically fetches all your images and background images and preloads them before showing the webpage.
Antay Query Loader currently works in IE version 9+, Chrome, Safari and Firefox. No dependencies.

Antay Query Loader

A wordpress plugin version of QueryLoader2. Read more about it here: https://github.com/Gaya/QueryLoader2

Mehul Gohil

Ankur Modi

PerformWP

Perform helps you speed up WordPress by removing unused CSS/JS, deferring or disabling scripts, and giving fine-grained control over asset loading per page.
The plugin is designed to be lightweight, beginner-friendly and developer-extensible. It focuses on practical optimizations that improve front-end load times and Core Web Vitals without complicated setup.
Key benefits (short):
<ul>
<li>Reduce page size and HTTP requests by disabling unused assets per page.</li>
<li>Improve Largest Contentful Paint and Time to Interactive via script deferring and selective loading.</li>
<li>Reduce admin and server overhead, minimal CPU and memory footprint.</li>
</ul>
Features
<ul>
<li>Assets Manager: selectively disable CSS and JS per page, post type or template.</li>
<li>Remove jQuery Migrate, emojis, embeds and other unnecessary features.</li>
<li>WooCommerce optimizations: control cart fragments, scripts and styles to speed up stores.</li>
<li>CDN & preconnect: add DNS-prefetch, preconnect, and native CDN integration hooks.</li>
<li>Menu caching and lightweight transient caching for faster navigation.</li>
<li>Developer-friendly hooks and filters for custom integrations.</li>
</ul>
Other Plugins 
– <a href="https://onecaptcha.com" rel="nofollow ugc">OneCaptcha</a>: Connect popular captcha providers with WordPress forms for SPAM prevention 
– <a href="https://wpthemeswitcher.com" rel="nofollow ugc">WP Theme Switcher</a>: Use multiple themes on your WordPress site at once. Useful for theme migration projects. 
– <a href="https://mehulgohil.com" rel="nofollow ugc">WordPress Development Services</a>: Want to build something amazing in WordPress space. I’m here to help. Let’s discuss!
<h3>Support</h3>
For help and troubleshooting, use our WordPress.org support forum: https://wordpress.org/support/plugin/perform 
Contributions and bug reports welcome on GitHub: https://github.com/performwp/perform
<h3>Contributors</h3>
performwp, mehul0810, ankur0812

Perform – Performance Optimization for WordPress

Speed up your WordPress site by removing unused assets, optimize loading order, and much more; ideal for WooCommerce, page builders and busy sites.

Antay Query Loader vs Perform – Performance Optimization for WordPress