Varify vs VWO

VWO is used by more websites in our catalog: 136 use Varify and 5,538 use VWO.

Varify sites have the higher median Ahrefs Domain Rating (Varify: 54, VWO: 50).

Between 2026-06 and 2026-07, Varify went from 0.02% to 0.02% of all tracked sites, while VWO went from 0.83% to 0.63%. Varify is gaining ground faster in our index.

7 websites in our catalog use both Varify and VWO.

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.