Bootstrap vs Normalize.css

Bootstrap is used by more websites in our catalog: 126,851 use Bootstrap and 15,704 use Normalize.css.

Bootstrap sites have the higher median Ahrefs Domain Rating (Bootstrap: 29, Normalize.css: 27).

Between 2026-06 and 2026-07, Bootstrap went from 16% to 14% of all tracked sites, while Normalize.css went from 2.0% to 1.8%. Normalize.css is gaining ground faster in our index.

5,025 websites in our catalog use both Bootstrap 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.