Best defer CSS javascript plugins for WordPress
The most popular defer CSS javascript plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. PageSpeed Ninja leads with 5K+ active installs, ahead of Speed Booster By Melotheme (10+). All 2 plugins tagged “defer css javascript” 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 2 defer CSS javascript plugins
- 1.
PageSpeed NinjaThe most installed defer CSS javascript plugin, with 5K+ active installs. Rated 4.5 from 114 reviews, last updated 2 years ago. Tested only up to WordPress 6.6.11.
- 2.
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 2 plugins tagged “defer css javascript”
PageSpeed Ninja
Down in the last 7 days:4#3,188by 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
Speed Booster By Melotheme
Up in the last 7 days:348#31,291by Shameem Reza6 years ago
Easy WordPress website Speed & Performance optimization with one click!
- Installs
- 10+
- Rating
- 1.0(1)
- Downloads
- 2/day