@dnsprincess I loved #Firefox + #Vimperator / #Pentadactyl, back in the day, when they had better extension support.
I recently found #luakit and qutebrowser which scratch the itch of highly customizable hotkeys.
I've noticed #qutebrowser on Ubuntu 22.04 is much worse than 20.04 for battery life, I think due to the enhanced Qt5 features newer libraries allow by default.
I plan to explore luakit to see how it compares, but only recently learned of it.