It displays content from e621 that strictly has a safe rating. The site's login system shares e621's login database, but requires separate login, as it most likely has its own cookies. Notably, it also has its own "safe for work" advertising. References ↑ 1.0 1.1 List of Admins e621.net. Retrieved March 23, 2019. ↑ Char May 19, 2013.