There have been some comparisons showing quantum coming ahead of chrome. I have found I do not need as many plugins in FF as I did on the webkit based browsers. Sadly, you need BOTH installed... some pages do not work in chrome and some do not work in FF. cPanel does not work in chrome and that is a DEAL BREAKER... I tried to redeem a game on gog and needed chrome because the redeem link would not work in FF... GO FIGURE!
The same problems will occur whether you have plugins or not.... I tried it.