Question

Firefox became really slow lately and taking over CPU and RAM!! Mac Lion OS X 10.8.2 Firefox 16.0.1

so I noticed lately (the past ~5 weeks) that Firefox runs REALLY REALLY slow. I usually have 3 windows open all the time (one with about 7-8 tabs and the other two with 5-6 tabs, total of 20, maybe 25 tabs at some point but ends up going back to about 20 tabs at the end of the day)

it was fine for the past 2 years never had a problem. usually it takes about a week (or longer sometimes) before I need to restart my laptop to clear up some memory. but now I cant do it at all. as soon as I open firefox I will notice my laptop gets slower and slower and the fans comes on and laptop gets hot fast. CPU usage for firefox is high same with Ram.

here is what I did to try and solve the problem. I first updates all the add ons, didnt do anything. cleared the cash,,, nothing. disabled the add-ons. it helped but still wasn't fast enough. so I reset firefox and had all the add ons removed. still same thing. I deletet firefox and reinstalled it... still same problem. to confirm that my laptop is good enough to run those many tabs I downloaded google chrome to test it and I had three windows with a total of like 34 tabs (yes 34) and it was running fine. actually I think from now on I will be using chrome and not even go back to firefox due to how fast it was!! and its using 30% less of the memory too!!


I have been using Firefox since 08 and it was the best browser I have ever used and never looked at any other one. but I downloaded chrome to check and see if my laptop was the problem but now I know its the browser. I noticed that this problem only started when this update came on few weeks ago (not sure which one because in the past 5-6 weeks I kept getting those updates. I think I did at least 3 updates if not even more) but I am sure it was one of the 15.X updates. now I am running the latest update which seems like its even worse.

any help would be appreciate it. I am still trying to make this browser work but if this problem keeps going on then I guess I have no choice but to move on to a different one. I miss some of the features that firefox have over chrome.

I have a mid 2010 macbook pro. OS X 10.8.2, 320GB (with has about 72GB of free space), 8GB ram, 2.66GHz intel core 2 duo, running latest updates on everything and running Lion with the latest update too.

tried to search but kept geting those old thread and its locked now so cant post in it.

Thanks

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