phpBB vs vBulletin

phpBB is used by more websites in our catalog: 537 use phpBB and 310 use vBulletin.

phpBB sites have the higher median Ahrefs Domain Rating (phpBB: 31, vBulletin: 26).

Between 2026-06 and 2026-07, phpBB went from 0.08% to 0.06% of all tracked sites, while vBulletin went from 0.05% to 0.04%. vBulletin is gaining ground faster in our index.

No. A site runs a single CMS / website platform, so phpBB and vBulletin 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.