pair.com vs registeredsite.com

pair.com is used by more websites in our catalog: 801 use pair.com and 163 use registeredsite.com.

pair.com sites have the higher median Ahrefs Domain Rating (pair.com: 32, registeredsite.com: 9).

Between 2026-06 and 2026-07, pair.com went from 0.10% to 0.09% of all tracked sites, while registeredsite.com went from 0.02% to 0.02%. registeredsite.com is gaining ground faster in our index.

No. A site runs a single email host, so pair.com and registeredsite.com 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.