Fastmail vs org.uk

Fastmail is used by more websites in our catalog: 1,580 use Fastmail and 132 use org.uk.

org.uk sites have the higher median Ahrefs Domain Rating (Fastmail: 38, org.uk: 42).

Between 2026-06 and 2026-07, Fastmail went from 0.22% to 0.18% of all tracked sites, while org.uk went from 0.02% to 0.01%. org.uk is gaining ground faster in our index.

No. A site runs a single email host, so Fastmail and org.uk 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.