These rules should be used as temporary rules cleared as your browser closes rather than kept in uMatrix as permanent rules. Such a behavior is suggested as these rules reserve usability on several pages while allowing tracking. Site facilitates, however, remain available in very most parts on those sites without these rules.
Hint: you don't have to copy & paste them. Simply click uMatrix toolbar button and click on the corresponding square.
baidu.com fex.bdstatic.com script allow
bilibili.com activity.hdslb.com script allow
smzdm.com alimama.alicdn.com script allow
smzdm.com s2.zdmimg.com script allow
The rules given here should work fine. If not, disable the scope & hard refresh (without cache), and enable again as soon as any video starts. Still no idea why.
