firefox.com
Mixed
Results vary across firefox.com: of 29 URLs tested, 9 are blocked, 6 are disrupted some of the time, 11 load normally and 3 have no conclusive recent result. The Great Firewall poisons its DNS, silently drops its packets so requests time out and blocks the connection outright. 663 tests have been run under this domain since 2013-02-03, the most recent on 2026-07-27.
The site itself
http://firefox.comas of 2026Intermittenthttps://firefox.comIntermittenthttp://www.firefox.comIntermittenthttps://www.firefox.comNot blockedPages and subdomains (25)
http://fpn.firefox.comBlockedhttp://send.firefox.comBlockedhttps://fpn.firefox.comBlockedhttps://send.firefox.comas of 2026Blockedhttp://relay.firefox.comas of 2026Not blockedhttps://hello.firefox.comUnresolvablehttps://relay.firefox.comas of 2026Not blockedhttp://monitor.firefox.comIntermittenthttp://accounts.firefox.comas of 2026Not blockedhttps://fpn.firefox.com/vpnas of 2026Blockedhttps://monitor.firefox.comas of 2026Intermittenthttps://accounts.firefox.comas of 2026Not blockedhttps://testpilot.firefox.comNot blockedhttps://www.firefox.com/zh-CNas of 2026Not blockedhttp://detectportal.firefox.comNot blockedhttps://detectportal.firefox.comas of 2026Not blockedhttps://www.firefox.com/en-US/kit/Not blockedhttps://hello.firefox.com/VIoc2xCOlUcUnresolvablehttps://hello.firefox.com:80/tMut4aLZTzwUnresolvablehttps://detectportal.firefox.com/success.txtNot blockedhttps://send.firefox.com/download/a3395f104054f196/Intermittenthttps://send.firefox.com/download/07f52dc5d4117451/as of 2026Blockedhttps://send.firefox.com/download/5d9df84caa768450/as of 2026Blockedhttps://send.firefox.com/download/f7d7d5300bc75087/Blockedhttps://send.firefox.com/download/251ec69791c0d782/BlockedAbout firefox.com and the Great Firewall
Results vary across firefox.com: of 29 URLs tested, 9 are blocked, 6 are disrupted some of the time, 11 load normally and 3 have no conclusive recent result. The Great Firewall poisons its DNS, silently drops its packets so requests time out and blocks the connection outright. 663 tests have been run under this domain since 2013-02-03, the most recent on 2026-07-27.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks firefox.com. 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
firefox.com is ranked #526 among the world's most-visited domains (Tranco).
Sites of similar popularity:run.appwired.comsupercell.comnetflix.net
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.