For youtube, there's a menu link that tells you and also documentation here: https://support.google.com/youtube/answer/7631406?hl=en-GB https://support.google.c

For youtube, there's a menu link that tells you and also documentation here: https://support.google.com/youtube/answer/7631406?hl=en-GB https://support.google.com/youtube/answer/7631406?hl=en-GB Like I say, the big problem here is 'realising that googling "$site keyboard shortcuts" actually has a point in the first place' - hence why I tell people about '?' any time I think it might be useful :D