[vityaz_]

Nice, this is something that has been driving me mad. Always liked how bandcamp or soundcloud kept playing the music in the background while browsing. Not the exact same, but seeing as how YT requires the videos to always be visible when played I guess it's as good as it can get.

[RGamma]

For me the site requires a video to be visible once, so it starts to play. Playlists, once started, play indefinitely in the background regardless.

[agumonkey]

I have a blurry memory that at one point, the desktop youtube website (not mobile; not app; a long time ago) had continuous side search.