Is www.firefox.com/en-US/kit/ blocked in mainland China?

Can you open www.firefox.com/en-US/kit/ from mainland China?

Yes.

All 1 recent conclusive tests connected normally.

2025first tested

0/1disrupted · last 90 days

1 mo agolast tested

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Other tested URLs on firefox.com

Blocking varies across firefox.com: 9 blocked vs 11 accessible among tested hosts.

http://firefox.comas of 2026Intermittent https://firefox.comIntermittent http://www.firefox.comIntermittent http://fpn.firefox.comBlocked http://send.firefox.comBlocked https://fpn.firefox.comBlocked https://www.firefox.comNot blocked https://send.firefox.comas of 2026Blocked http://relay.firefox.comas of 2026Not blocked https://hello.firefox.comUnresolvable https://relay.firefox.comas of 2026Not blocked http://monitor.firefox.comIntermittent http://accounts.firefox.comas of 2026Not blocked https://fpn.firefox.com/vpnas of 2026Blocked https://monitor.firefox.comas of 2026Intermittent https://accounts.firefox.comas of 2026Not blocked https://testpilot.firefox.comNot blocked https://www.firefox.com/zh-CNas of 2026Not blocked http://detectportal.firefox.comNot blocked https://detectportal.firefox.comas of 2026Not blocked https://www.firefox.com/en-US/kit/Not blocked https://hello.firefox.com/VIoc2xCOlUcUnresolvable https://hello.firefox.com:80/tMut4aLZTzwUnresolvable https://detectportal.firefox.com/success.txtNot blocked https://send.firefox.com/download/a3395f104054f196/Intermittent https://send.firefox.com/download/07f52dc5d4117451/as of 2026Blocked https://send.firefox.com/download/5d9df84caa768450/as of 2026Blocked https://send.firefox.com/download/f7d7d5300bc75087/Blocked https://send.firefox.com/download/251ec69791c0d782/Blocked

Each verdict covers the last 90 days of tests, as on that URL's own page.

Frequently asked questions

Is www.firefox.com/en-US/kit/ blocked in mainland China right now?

As of the last test on 2026-06-15, www.firefox.com/en-US/kit/ is not blocked in mainland China, based on GreatFire's live Great Firewall measurements.

https://www.firefox.com/en-US/kit/ · JSON