Headless UI vs Normalize.css

Normalize.css is used by more websites in our catalog: 2,125 use Headless UI and 15,704 use Normalize.css.

Headless UI sites have the higher median Ahrefs Domain Rating (Headless UI: 42, Normalize.css: 27).

Between 2026-06 and 2026-07, Headless UI went from 0.30% to 0.24% of all tracked sites, while Normalize.css went from 2.0% to 1.8%. Headless UI is gaining ground faster in our index.

8 websites in our catalog use both Headless UI and Normalize.css.

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.