Fast Simon vs FiboSearch

FiboSearch is used by more websites in our catalog: 287 use Fast Simon and 2,070 use FiboSearch.

FiboSearch sites have the higher median Ahrefs Domain Rating (Fast Simon: 14, FiboSearch: 19).

Between 2026-06 and 2026-07, Fast Simon went from 0.01% to 0.03% of all tracked sites, while FiboSearch went from 0.23% to 0.23%. Fast Simon is gaining ground faster in our index.

0 websites in our catalog use both Fast Simon and FiboSearch.

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.