Youtube page sometimes freeze and i cant interact with anything on it, it never return to work, i have to close and open the page, the video continue to play when it freeze, the rest of the tabs and firefox works normally when that happens, i only have two extensions, betterttv and ublcok origin, i remember having the same problem with a fresh install, i dont remember ever seeing that happen when youtube put the video in a miniplayer and you can still browse the site, i only remember seeing on video pages, like youtube.com/watch?...