twentytwentyone vs u-design

twentytwentyone is used by more websites in our catalog: 655 use twentytwentyone and 171 use u-design.

twentytwentyone sites have the higher median Ahrefs Domain Rating (twentytwentyone: 18, u-design: 14).

Between 2026-06 and 2026-07, twentytwentyone went from 0.08% to 0.07% of all tracked sites, while u-design went from 0.02% to 0.02%. u-design is gaining ground faster in our index.

No. A site runs a single WordPress theme, so twentytwentyone and u-design are mutually exclusive.

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.