>>18
The vi shortcurts are too deeply ingrained in me. I have never found a good replacement for keyboard navigation add-on Pentadactyl. All the clones are inferior. I have to use Palemoon now, since Pentadactyl development has stalled and it cannot be ported to newer versions of Firefox.
I also have many handy commands that I'd have to rewrite. For instance, if I want to fetch a 1995 web page that is no longer available, I just type ":ar<tab>" (autocompletes to :archive) and the archive.org for this page is loaded. It's a single line in .pentadactylrc
command! archive js dactyl.open("https://web.archive.org/web/*/" + content.location.href)