Plugins on the list:

A very fast caching engine for WordPress that produces static html files.

Categories: General

Optimize images & bulk compress images with lossless compression, lazy load, convert WebP, and properly size images via CDN for incredibly fast sites.

Categories: General

Autoptimize speeds up your website by optimizing JS, CSS, images (incl. lazy-load), HTML and Google Fonts, asyncing JS, removing emoji cruft and more.

Categories: General

Allows you to combine and minify your CSS and JS files to improve page load time.

Categories: General

Remove and delete old revision of posts, pages and related meta content completely then optimize Database: reduce size and optimization to speed up!

Categories: General

A very light weight plugin, combines, minifies, and caches inline JavaScript and CSS files on demand to speed up page loads.

Categories: General

GTmetrix can help you develop a faster, more efficient, and all-around improved website experience for your users. Your users will love you for it.

Categories: General

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

Categories: General

Merges/Concatenates CSS & Javascript and then minifies using Minify (for CSS) and Google Closure (for JS with Minify as a fallback).

Categories: General

Control how many revisions are stored for each post type.

Categories: General

Minify & Concatenate Enqueued Scripts & Styles.

Categories: General

Use Compass, Sass, Less, Stylus, CoffeeScript (and more ...) to develop your themes and minify your stylesheets and JavaScript.

Categories: General