bb-theme vs twentytwentyone

bb-theme is used by more websites in our catalog: 4,116 use bb-theme and 655 use twentytwentyone.

bb-theme sites have the higher median Ahrefs Domain Rating (bb-theme: 24, twentytwentyone: 18).

Between 2026-06 and 2026-07, bb-theme went from 0.45% to 0.47% of all tracked sites, while twentytwentyone went from 0.08% to 0.07%. bb-theme is gaining ground faster in our index.

No. A site runs a single WordPress theme, so bb-theme and twentytwentyone 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.