About Pure CSS
Pure CSS is a set of small, responsive CSS modules that can be used in web projects.
How Pure CSS compares
- #21
Headless UI29k
- #22
Vant24k
- #23
MDBootstrap24k
- #24
Pure CSS24k
- #25
SvelteKit21k
- #26
UnoCSS19k
- #27framework719k
#24 of 71 UI frameworks we have counts for (of 85) · bars are GitHub stars across these neighbours; the category leader is Flutter at 179k · as of August 23, 2026
Compare
#24 of 71 UI frameworks
#23 of 71 UI frameworks
The two numbers disagree - one leads on stars, the other on installs. Stars measure attention, downloads measure use.
Audit any site that runs Pure CSS.
Enter a URL to score its stack for technology quality, version health, Lighthouse performance - and AI-readiness.
How we audit Pure CSS
We measure the detected version against Pure CSS's release history and grade the surrounding stack with a Lighthouse-grade quality audit. Weak or outdated links weigh more - one risky dependency can pull the whole score down.
How the score worksMore technologies in UI frameworks
View all →Technology definitions from a community-maintained catalogue, licensed GPL-3.0. Attribution and source.