Pure CSS vs UIkit

UIkit is used by more websites in our catalog: 816 use Pure CSS and 5,433 use UIkit.

Pure CSS sites have the higher median Ahrefs Domain Rating (Pure CSS: 32, UIkit: 26).

Between 2026-06 and 2026-07, Pure CSS went from 0.11% to 0.09% of all tracked sites, while UIkit went from 0.56% to 0.62%. UIkit is gaining ground faster in our index.

4 websites in our catalog use both Pure CSS and UIkit.

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.