Safari Facebook mess
I don't know what happened to Safari or Facebook, but recently Facebook in Safari started behaving quite terribly. You open FB page, see some posts, but in few seconds the content starts changing several times (different posts, pictures etc., nothing holds). You want to click on comment - again it leads you somewhere else. I thought it was a facebook problem, but then I found that for example on iPhone all is stable, on Firefox too ... So seems Safari is messing constantly with it ?
MacBook Pro with Retina display, macOS Sierra (10.12.2), MacBook Pro 2016 15''