From September 14th, 2013 to March 19th, 2016, 50% user give 2-star rating, 50% user give 1-star rating. for Backspace navigation (for Linux) chrome extension.
goes back 2 pages for every keypress. unusable :(
It's very spotty for me. It usually only works if I'm on a page that has already been loaded and only works if I navigate to a new page first. so if I press back once and then back again it won't work.