On Poloniex, the site always reverts to older quotes after a minute or so. Does this happen to everyone? I thought by now that they would have fixed this. It's very annoying.
works fine for me.. perhaps others can confirm.
As a web developer I may be able to help here.
Chrome should be the best, if it's not check your extensions and remove anything you don't need or know.
Next up Safari / Firefox
finally internet explorer, but expect javascript bugs on nearly every site.
Pretty much all the major browsers (chrome,firefox,safari,opera) work fine if you don't have lots of crap / extensions installed, imho chrome is the best currently on windows/unix.