Best minify CSS plugins for WordPress
The most popular minify CSS plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Asset CleanUp leads with 100K+ active installs, ahead of Hummingbird Performance (70K+) and Better WordPress Minify (7K+). All 7 plugins tagged “minify css” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
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Top 7 minify CSS plugins
- 1.
Asset CleanUpThe most installed minify CSS plugin, with 100K+ active installs. Rated 4.9 from 1,564 reviews, updated 1 month ago.
- 2.
Hummingbird Performance70K+ active installs. Rated 4.7 from 1,488 reviews, updated 5 days ago.
- 3.
Better WordPress Minify7K+ active installs. Rated 4.2 from 137 reviews, last updated 8 years ago. Tested only up to WordPress 4.0.38.
- 4.
PageSpeed Ninja5K+ active installs. Rated 4.5 from 114 reviews, last updated 2 years ago. Tested only up to WordPress 6.6.11.
- 5.
CSS Minify200+ active installs. Only 3 reviews so far, last updated 8 years ago. Tested only up to WordPress 4.9.35.
- 6.
CSS Above The Fold200+ active installs. Only 1 review so far, last updated 11 years ago. Tested only up to WordPress 4.3.34.
- 7.
Speed Booster By Melotheme10+ active installs. Only 1 review so far, last updated 6 years ago. Tested only up to WordPress 5.3.27.
All 7 plugins tagged “minify css”
Asset CleanUp
#444by Gabe Livan1 month ago
Speed up your WordPress site by unloading unnecessary CSS and JavaScript, reducing page bloat, and managing your own Critical CSS per page type.
- Installs
- 100K+
- Rating
- 4.9(1.6K)
- Downloads
- 629/day
Hummingbird Performance
Up in the last 7 days:1#597by WPMU DEV - Your All-in-One WordPress Platform5 days ago
Optimize PageSpeed Performance & Core Web Vitals, Advanced Cache, Minify CSS & JavaScript, Inline Critical CSS, Defer CSS & JS, Smush & Lazy Load, CDN
- Installs
- 70K+
- Rating
- 4.7(1.5K)
- Downloads
- 506/day
Better WordPress Minify
Down in the last 7 days:3#2,560by Khang Minh9 years ago
Allows you to combine and minify your CSS and JS files to improve page load time.
- Installs
- 7K+
- Rating
- 4.2(137)
- Downloads
- 22/day
PageSpeed Ninja
Down in the last 7 days:2#3,189by PageSpeed2 years ago
Boost page speed: cache, compress, optimize images to WebP, minify CSS/JS, defer loading, lazy load, generate critical CSS, improve Core Web Vitals
- Installs
- 5K+
- Rating
- 4.5(114)
- Downloads
- 36/day
CSS Minify
Up in the last 7 days:29#12,561by peterpfeiffer8 years ago
Minify and Optimize your CSS by clicking one button.
- Installs
- 200+
- Rating
- 2.3(3)
- Downloads
- 6/day
CSS Above The Fold
Down in the last 7 days:46#12,892by Pau Iglesias11 years ago
Faster CSS browser rendering displaying selected fragments of your theme stylesheet file directly into the head section.
- Installs
- 200+
- Rating
- 5.0(1)
- Downloads
- 0/day
Speed Booster By Melotheme
#31,145by Shameem Reza6 years ago
Easy WordPress website Speed & Performance optimization with one click!
- Installs
- 10+
- Rating
- 1.0(1)
- Downloads
- 2/day