Very Good. Better if two toolbar buttons can be added to execute the go back and forward commands by mouse clicks.

extremely useful and simple

Very good (and last addon alive, all alternatives was for old Firefox Extension, before Quantum)
-- A shortcut option would save my linux geek life
-- maybe for the futur ?
-- Thanks

Works, but, no customization options. Does what it says.

nice to have
option to change the default shortcut