emailservice.io vs One.com

One.com is used by more websites in our catalog: 251 use emailservice.io and 770 use One.com.

emailservice.io sites have the higher median Ahrefs Domain Rating (emailservice.io: 29, One.com: 22).

Between 2026-06 and 2026-07, emailservice.io went from 0.03% to 0.03% of all tracked sites, while One.com went from 0.10% to 0.09%. emailservice.io is gaining ground faster in our index.

No. A site runs a single email host, so emailservice.io and One.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.