Duda vs vBulletin

Duda is used by more websites in our catalog: 6,148 use Duda and 310 use vBulletin.

vBulletin sites have the higher median Ahrefs Domain Rating (Duda: 9, vBulletin: 26).

Between 2026-06 and 2026-07, Duda went from 0.54% to 0.70% of all tracked sites, while vBulletin went from 0.05% to 0.04%. Duda is gaining ground faster in our index.

No. A site runs a single CMS / website platform, so Duda 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.