Websites on .io

cl0q’s independent crawler has indexed 161,444 live pages on .io domains, making it the #29 most common top-level domain in the index.

161.4k
Pages indexed
#29
Rank by size
0.55%
of indexed web

Notable .io sites

Ranked apex-first by popularity signal, from cl0q’s index — not an endorsement. Click any site for its crawl profile.

Top hosting networks for .io

Networks hosting the most .io sites in cl0q’s index — click a network to see everything it hosts.

Languages on .io

en119.2k
vi4.8k
de2.9k
fr2.6k
es2.3k
pt1.2k
zh912
ru798

Page languages most used on .io sites — click to explore that language across the whole index.

What serves .io

nginx16.8k
vercel16.2k
apache6.6k

Server software behind .io sites — click to see that software everywhere else.

Where .io sites are hosted

Countries the servers of .io sites geolocate to — click a country to filter the list below, ↗ for its page.

Related top-level domains

.shop (167k).es (166.4k).app (165k).ai (134k).at (129.3k).online (128.2k) All →
Search the whole index — recon operators like ip:, org:, favicon: let you pivot across infrastructure.

📡 This page as open data: GET /api/tld/io — no API key, CORS open. Docs.