Best postcss plugins for WordPress
The most popular postcss plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Instant CSS leads with 3K+ active installs. All 1 plugins tagged “postcss” 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 1 postcss plugins
- 1.
Instant CSSThe most installed postcss plugin, with 3K+ active installs. Rated 4.9 from 15 reviews, last updated 3 years ago. Tested only up to WordPress 6.3.14.