After enjoying a surge in popularity last month due to large viewership of the Asian Games, it seems that Twitch has been blocked in China by government censors.
Abacus News reports that earlier this week, the website became inaccessible for the majority of users in mainland China (though some locations still had access). The app has also been removed from the region's dedicated App Store.

https://www.gamesindustry.biz/articl...ocked-in-china