I’ve been using FireFox for a few years, but in the last few months I’ve noticed it getting slower and slower. Opening a new tab often takes several seconds, navigating around and loading pages is also slow, and there are often sub-second hangups while typing in textareas and such. After re-visiting CyberNotes: Firefox Extensions cause Memory Leaks and Crashes, I have disabled Google Browser Sync again - that had caused problems in the past.

Of course, saying that “FireFox has still become too slow” is mostly a perception issue. Apps don’t get slower over time; usually it’s that we’re trying to do more with them - and that is exactly the case with FireFox (or whatever browser). Whereas it used to be just that, a browser, now it’s email, word processing, calendar, task list, maps, news, and whatever else - usually all open at once in multiple tabs, plus various add-ons and GreaseMonkey scripts. So on one hand it’s no surprise that the whole thing appears slower - although you’d think 3Gb of RAM would mitigate that to a large degree. Makes me wonder if FireFox can be configured to use more memory…