Ohh, Gee...
MORE memory/system resources used now!
Ever since 40.x, (even earlier?) its become a HOG. 4 windows/ 5-7 taps open in each, it's chewing just under 2 GIG's. 2(3) "plug-ins" - No Script and, uBlock (maybe Kaspesrky has more effect than Avast?)
Granted, it's under a W-7 enviroment, but...
Hey Penguin users - How bad does it hog your system? I'm thinking going Mint. (Not just because of Mozilla) . . .
(Down-vote away..)