Part of ooni.orgAll blocked12 tested URLs
Can you open https://probe-web.ooni.org from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access probe-web.ooni.org with GreatFireVPN →2023first tested
1/1blocked · last 90 days
28 d agolast tested
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Frequently asked questions
Is https://probe-web.ooni.org blocked in mainland China right now?
As of the last test on 2026-07-17, https://probe-web.ooni.org is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is https://probe-web.ooni.org blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has https://probe-web.ooni.org been blocked?
GreatFire has recorded interference with https://probe-web.ooni.org from mainland China since 2023-05-17.
How can I access https://probe-web.ooni.org 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 probe-web.ooni.org.
https://probe-web.ooni.org · JSON