If you thought China was fully in control and regulating things these days (apparently they completely canned Line), this might only be the tip of the iceberg for you. Presently, the firewall operates on a blacklist (liste noire) principle, in essence containing a list of sites you’re not allowed to go to, and then not restricting access to the rest. (The same goes for keywords, especially those in search machines.) Incredibly, though, as long as you stay away from the two Ps — politics and porn — you should be fine.
Because whilst I was just browsing around on my hard drive as of late, I came across this presentation I did in my first PhD year. It really was a scary moment. ▶