HUMAN (PerimeterX) vs Signifyd

Signifyd is used by more websites in our catalog: 217 use HUMAN (PerimeterX) and 450 use Signifyd.

HUMAN (PerimeterX) sites have the higher median Ahrefs Domain Rating (HUMAN (PerimeterX): 45, Signifyd: 41).

Between 2026-06 and 2026-07, HUMAN (PerimeterX) went from 0.03% to 0.02% of all tracked sites, while Signifyd went from 0.07% to 0.05%. HUMAN (PerimeterX) is gaining ground faster in our index.

1 websites in our catalog use both HUMAN (PerimeterX) and Signifyd.

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.