kallyas vs yootheme

yootheme is used by more websites in our catalog: 155 use kallyas and 725 use yootheme.

yootheme sites have the higher median Ahrefs Domain Rating (kallyas: 18, yootheme: 22).

Between 2026-06 and 2026-07, kallyas went from 0.02% to 0.02% of all tracked sites, while yootheme went from 0.09% to 0.08%. kallyas is gaining ground faster in our index.

No. A site runs a single WordPress theme, so kallyas and yootheme 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.