15zine vs bb-theme-child

bb-theme-child is used by more websites in our catalog: 156 use 15zine and 544 use bb-theme-child.

15zine sites have the higher median Ahrefs Domain Rating (15zine: 31, bb-theme-child: 28).

Between 2026-06 and 2026-07, 15zine went from 0.02% to 0.02% of all tracked sites, while bb-theme-child went from 0.06% to 0.06%. bb-theme-child is gaining ground faster in our index.

No. A site runs a single WordPress theme, so 15zine and bb-theme-child 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.