1and1.com vs co.uk

co.uk is used by more websites in our catalog: 270 use 1and1.com and 2,705 use co.uk.

co.uk sites have the higher median Ahrefs Domain Rating (1and1.com: 27, co.uk: 31).

Between 2026-06 and 2026-07, 1and1.com went from 0.03% to 0.03% of all tracked sites, while co.uk went from 0.38% to 0.31%. 1and1.com is gaining ground faster in our index.

No. A site runs a single DNS provider, so 1and1.com and co.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.