Part of mozilla.orgMixed190 tested URLs
Can you open https://addons.mozilla.org/en-US/firefox from mainland China?
Sometimes.
Access is unreliable — 100% of the last 1 conclusive tests showed interference.
Access addons.mozilla.org with GreatFireVPN →2019first tested
1/1disrupted · last 90 days
6 d agolast tested
Loading…
Frequently asked questions
Is https://addons.mozilla.org/en-US/firefox blocked in mainland China right now?
As of the last test on 2026-08-18, https://addons.mozilla.org/en-US/firefox is 100% disrupted in mainland China, based on GreatFire's live Great Firewall measurements.
Why is https://addons.mozilla.org/en-US/firefox blocked in mainland China?
Access is unreliable — 100% of the last 1 conclusive tests showed interference.
Since when has https://addons.mozilla.org/en-US/firefox been blocked?
GreatFire has recorded interference with https://addons.mozilla.org/en-US/firefox from mainland China since 2019-05-04.
How can I access https://addons.mozilla.org/en-US/firefox from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like addons.mozilla.org.
https://addons.mozilla.org/en-US/firefox · JSON