Can you open citizenlab.ca/2015/04/chinas-great-cannon from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access citizenlab.ca/2015/04/chinas-great-cannon with GreatFireVPN →
Frequently asked questions
Is citizenlab.ca/2015/04/chinas-great-cannon blocked in mainland China right now?
As of the last test on 2026-05-09, citizenlab.ca/2015/04/chinas-great-cannon is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is citizenlab.ca/2015/04/chinas-great-cannon blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has citizenlab.ca/2015/04/chinas-great-cannon been blocked?
GreatFire has recorded interference with citizenlab.ca/2015/04/chinas-great-cannon from mainland China since 2017-10-30.
How can I access 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/2015/04/chinas-great-cannon.
https://citizenlab.ca/2015/04/chinas-great-cannon · JSON