openinternet.io
Mixed
Results vary across openinternet.io: of 3 URLs tested, 1 is blocked, 1 is disrupted some of the time and 1 loads normally. The site itself, https://openinternet.io, loads normally. The Great Firewall breaks its TLS handshake. 38 tests have been run under this domain since 2022-01-30, the most recent on 2026-08-18.
The site itself
https://openinternet.ioas of 2026Not blockedPages and subdomains (2)
https://www2.openinternet.ioIntermittenthttps://resolver4.dns.openinternet.ioBlockedAbout openinternet.io and the Great Firewall
Results vary across openinternet.io: of 3 URLs tested, 1 is blocked, 1 is disrupted some of the time and 1 loads normally. The site itself, https://openinternet.io, loads normally. The Great Firewall breaks its TLS handshake. 38 tests have been run under this domain since 2022-01-30, the most recent on 2026-08-18.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks openinternet.io. GreatFire runs GreatFire VPN; the Analyzer also tests the domains of many VPN and proxy providers, so you can check whether one is reachable before relying on it.
Elsewhere on the site
Most-blocked .io domainsEvery tested URL under openinternet.io
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.