I actually started to disable JS on resetera because there's something not quite right. :/This site included.
I use Firefox on my high end PC and all google services are brute forced to run well, but run their services on a "normal" setup and you see Google's bullshit come through again and again.
On my rMBP I love Safari, but I do run into issues from time to time. New Gmail is utter trash.
MS choice to move to Blink just handed over the keys to Google to abuse their power even more.
However, I'm trying to figure out if it's an extension that's causing an issue.
I remember the days when I would work on IE, Fx, Ch, and Opera to make sure everything ran well on each of them. Those days are long gone for the most part.