, (comma)Back to prev. link
. (period)Skip to next link
/ (slash)Pause/ resume media.
; (semicolon)Turn autoskipping on/ off
lAdd link to liked
mToggle menu open/ close
oOpen link on host site
pAdd link to playlist
rOpen related post/ comment
sTurn sleep on/ off
tToggle table or grid view
vTurn visuals on/ off
1, 2, 3, etc.Scroll to media, links, likes, etc.

Note: Hotkeys don't work if the media has focus (like if you click on a youtube video.)
Not all hotkeys are available for all buckets.