26.1.3.7. Censorship monitoring (审查监督)

Projects that attempt to understand how the Great Firewall works and what it blocks:

It is also worth noting that as mentioned at Is Stack Overflow blocked in China? (Stack Overflow 在中国被封锁了吗?) that websites can become non-functional if CDNs they rely on are taken down, instead of the website being taken down itself.

News: