it creates H1 to all pages with the phrase: "Facebook Container" should not interfere with the original page document outline at all. ???

推荐，学习中。。。

Yeah this doesn't work anymore. It doesn't even detect Facebook cookies while on the Facebook site!

ok

Ho dovuto disabilitare questa estensione perché quasi tutti i video non si vedevano.
Appariva solo questa scritta: "Spiacenti, stiamo riscontrando problemi nel tentativo di riprodurre questo video."
Senza l'estensione ed isolando manualmente Facebook in un container, i video si vedono normalmente.

I had to disable this extension because most of the videos were not showing.
Only this text appeared: "Sorry, we are having trouble trying to play this video."
Without the extension and manually isolating Facebook in a container, the videos are viewed normally.

Facebook wird da auf freundliche Art im Zaum gehalten - weiter so!

good