threader.app
All blocked
Every URL under threader.app that we can reach a verdict on — 2 of them — is blocked in mainland China. The site itself, https://threader.app, is blocked. The Great Firewall poisons its DNS, silently drops its packets so requests time out and breaks its TLS handshake. 21 tests have been run under this domain since 2021-04-09, the most recent on 2026-03-20.
The site itself
https://threader.appas of 2026BlockedPages and subdomains (1)
https://threader.app/thread/1171112071657705473as of 2026BlockedAbout threader.app and the Great Firewall
Every URL under threader.app that we can reach a verdict on — 2 of them — is blocked in mainland China. The site itself, https://threader.app, is blocked. The Great Firewall poisons its DNS, silently drops its packets so requests time out and breaks its TLS handshake. 21 tests have been run under this domain since 2021-04-09, the most recent on 2026-03-20.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks threader.app. 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 .app domainsEvery tested URL under threader.app
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.