themify-ultra vs twentytwentyone

twentytwentyone is used by more websites in our catalog: 502 use themify-ultra and 655 use twentytwentyone.

themify-ultra sites have the higher median Ahrefs Domain Rating (themify-ultra: 23, twentytwentyone: 18).

Between 2026-06 and 2026-07, themify-ultra went from 0.06% to 0.06% of all tracked sites, while twentytwentyone went from 0.08% to 0.07%. themify-ultra is gaining ground faster in our index.

No. A site runs a single WordPress theme, so themify-ultra 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.