Are you in Beijing or Shanghai? Are you on China Telecom or China Mobile? Are you using the Sweden 2 or the Hongkong 3 server? Every permutation of those variables can have a different answer, and that answer can change from day-to-day.

My experience is that in southern provinces and bigger cities it is _more likely_ to work at any given time. But things change.

> However, self-hosted is much faster still. Unfortunately, it's less reliable.

Using a CN2 VPS is definitely a :racecar: in my experience. I primarily use shadowsocks instead of a proper VPN because moving to a different port when the interference starts is usually sufficient.