They don't but if it is a popular video the likelyhood of it being archived increases. It is possible to submit URLs to archive.org manually too. Also the youtu

They don't but if it is a popular video the likelyhood of it being archived increases. It is possible to submit URLs to archive.org manually too. Also the youtube videos downloaded by archiveteam volunteers[0] possibly end up in wayback machine though I'm not sure if it happens automatically anymore. 0:https://tracker.archiveteam.org/youtube/ https://tracker.archiveteam.org/youtube/