Normalize.css vs Semantic UI

Normalize.css is used by more websites in our catalog: 15,704 use Normalize.css and 277 use Semantic UI.

Semantic UI sites have the higher median Ahrefs Domain Rating (Normalize.css: 27, Semantic UI: 40).

Between 2026-06 and 2026-07, Normalize.css went from 2.0% to 1.8% of all tracked sites, while Semantic UI went from 0.04% to 0.03%. Semantic UI is gaining ground faster in our index.

12 websites in our catalog use both Normalize.css and Semantic UI.

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.