co.uk vs com.au

co.uk is used by more websites in our catalog: 2,691 use co.uk and 999 use com.au.

co.uk sites have the higher median Ahrefs Domain Rating (co.uk: 26, com.au: 25).

Between 2026-06 and 2026-07, co.uk went from 0.37% to 0.31% of all tracked sites, while com.au went from 0.13% to 0.11%. com.au is gaining ground faster in our index.

No. A site runs a single email host, so co.uk and com.au 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.