It's blocked because it uses MediaWiki. China blocks Wikipedia and everything associated with it, which includes the WikiMedia foundation which maintains the MediaWiki software. Nobody actually looks at a niche site in China to determine whether to block it, it's automated.
It's blocked because it uses MediaWiki. China blocks Wikipedia and everything associated with it, which includes the WikiMedia foundation which maintains the MediaWiki software. Nobody actually looks at a niche site in China to determine whether to block it, it's automated.