About .io
.io is the country-code TLD for the British Indian Ocean Territory. It has been massively adopted by the tech startup community — "io" doubles as an abbreviation for "input/output" — making it one of the fastest-growing TLDs in the world.
Top Domains Using .io
by monthly visitsTop Hosting Providers for .io
by domain count| Rank | Provider | Share |
|---|---|---|
| 1 | Cloudflare | 31.1% |
| 2 | Amazon AWS | 18.0% |
| 3 | GitHub | 10.2% |
| 4 | Vercel | 7.9% |
| 5 | Google Cloud | 4.8% |
Top Countries Hosting .io Domains
by server location
62.3%
6.8%
5.1%
4.4%
2.3%