[8] GreatFire also provides another test system, Blocky, which allows users to search for online services and check their status.

[9] GreatFire has worked with BBC to make the Chinese-language BBC website available to users in China, despite it being blocked by the Great Firewall, by using a method known as collateral freedom[10] that mirrored content on widely used content delivery networks, such as Amazon CloudFront and CloudFlare, so that it would be too economically costly for censors to block.

[11][12][13] The organization has since set up similar mirror sites for other blocked websites, such as Google and the New York Times, with a directory of links hosted on GitHub.

[14] For security reasons, the members of the organization remain anonymous and do not know much about each other to prevent the whole project from coming down in the event one would be caught by the Chinese government.

[16] In April 2015, it was targeted by a Chinese attack tool named Great Cannon that redirected massive amounts of Internet traffic to servers used by GreatFire.