Can you open https://citizenlab.ca/2015/04/chinas-great-cannon from mainland China?
No.
No recent testsVerdict from 2026-05-09 · 4 mo ago
As of the last test on 2026-05-09 — 4 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
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Frequently asked questions
Is https://citizenlab.ca/2015/04/chinas-great-cannon blocked in mainland China right now?
We haven't tested https://citizenlab.ca/2015/04/chinas-great-cannon in the last 90 days. As of the last test on 2026-05-09 (4 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is https://citizenlab.ca/2015/04/chinas-great-cannon blocked in mainland China?
As of the last test on 2026-05-09 — 4 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has https://citizenlab.ca/2015/04/chinas-great-cannon been blocked?
GreatFire has recorded interference with https://citizenlab.ca/2015/04/chinas-great-cannon from mainland China since 2017-10-30.
How can I access https://citizenlab.ca/2015/04/chinas-great-cannon 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 citizenlab.ca.
https://citizenlab.ca/2015/04/chinas-great-cannon · JSON