For a developer there is no better browser than Firefox Developer Edition 58+ at the moment, its new Quantum engine is insanely fast and the included developers

For a developer there is no better browser than Firefox Developer Edition 58+ at the moment, its new Quantum engine is insanely fast and the included developers tools are far superior than the ones on Chrome. I know Firefox had a dark period on which it felt behind Chrome on most fronts, but those days are over, if you haven't used it on a while, give it try! you won regret it.