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Maybe it's to do with the fox devouring IE and getting fat!
LOL, jokes apart, I have been having exactly the same problem since the last couple of weeks... Not only is it slow, Firefox sometimes hangs for no reason, consumes a large amount of memory and CPU usage can climb to 90% or more when I have multiple tabs open simultaneously.
Here's what helped me... I don't remember what site it's from, but I have the page saved on my PC.
_______________________________________
Solution: This is a common problem especially if you have been running Firefox for some time - I don't know why Firefox slows down but here's a small trick to rejuvenate the aged copy of Firefox without doing a fresh install.
Step 1: Start Firefox and export your bookmarks as a file on your hard-drive (we'll need them later).
http://www.labnol.org/assets/images/FirefoxRunningSlowMakeItFastAgainWithout_12B34/fastfirefoxbrowser.png
Step 2: Type firefox.exe - P in the Run box of Windows. (see screenshot)
Step 3: Click the Create Profile button without making any modifications to your existing profile (which is normally called "default")
http://www.labnol.org/assets/images/FirefoxRunningSlowMakeItFastAgainWithout_12B34/FirefoxVerySlow.png
Now when you Start Firefox in the new profile, you are very likely to be impressed with the speed. You can import the bookmarks that you saved in Step 1. If you have made any changes to the Firefox Dictionary, copy the persdict.dat word list file from the old profile folder to the new one.
Yes, there won't be any old Firefox add-ons in the new profile but the browser will be extremely quick and won't hog the CPU - just the way you want Firefox to run on your computer.
And if you ever need to revert to the old profile, just type Firefox -P again and click the old profile. Nothing is lost.
_______________________________________
NOTE: This means you will need to reinstall all plugins!
Also, check out these sites for speeding up your Firefox browser:
Tweaking Firefox:
http://www.forevergeek.com/2005/05/fixing_firefox_slow_downs/
Turning off Auto-Updates:
http://tiredblogger.wordpress.com/2008/04/09/firefox-slow-to-load-auto-updates-can-drag-you-down/
Official Support Forum:
http://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&forumId=1&comments_parentId=1682
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It hasn't mattered what the speed of the machine is either. As I'm answering right now, I'm doing so on a dual core 3+ ghz machine. It's been acting like the 2.2 ghz office computer the administrative assistant uses and I use Firefox exclusively on both machines. Very strange.
I know that's it's not a network issue on my end either - I'm the network administrator at the studio with QoS priority, so I get 90% of the maximum bandwidth at all times.
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A number of times with slightly earlier versions (e.g. 3.0.5) Firefox would slow to a crawl, getting to where I'd get impatient and End Process to kill it. Then as soon as I'd reopen it there would be one or more extension updates waiting to be installed.
It's almost as if the update functionality is like a whining child saying "Lookit me lookit me!", jumping up and down and taking up Firefox's resources. This hasn't happened too much lately, and could for all I know just be a fluke, but Firefox does still have issues with eating up lots of CPU and memory on occasion so who knows.
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Answered Question
M$2
March 12, 2009 03:17 PM
Is Firefox slow for anyone else after extension updates?
I've not added any new extensions, but for the last about two weeks, it just craaaaaawwwwwlllllls. It happened right after updates to Ubiquity and Remember the Milk, and possibly Better Gmail2.
Now, it takes forever to open, and it's acting like a 386, as soon as I open it. I have several cool extensions I use continually, and they're not on Chrome, which I've been using in the meantime.
Anyone know of any problems with these extensions that would cause this? I disabled RTM but it's still acting up.
Now, it takes forever to open, and it's acting like a 386, as soon as I open it. I have several cool extensions I use continually, and they're not on Chrome, which I've been using in the meantime.
Anyone know of any problems with these extensions that would cause this? I disabled RTM but it's still acting up.
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| March 14, 2009 03:26 AM |
Maybe it's to do with the fox devouring IE and getting fat!
LOL, jokes apart, I have been having exactly the same problem since the last couple of weeks... Not only is it slow, Firefox sometimes hangs for no reason, consumes a large amount of memory and CPU usage can climb to 90% or more when I have multiple tabs open simultaneously.
Here's what helped me... I don't remember what site it's from, but I have the page saved on my PC.
_______________________________________
Solution: This is a common problem especially if you have been running Firefox for some time - I don't know why Firefox slows down but here's a small trick to rejuvenate the aged copy of Firefox without doing a fresh install.
Step 1: Start Firefox and export your bookmarks as a file on your hard-drive (we'll need them later).
Step 2: Type firefox.exe - P in the Run box of Windows. (see screenshot)
Step 3: Click the Create Profile button without making any modifications to your existing profile (which is normally called "default")
Now when you Start Firefox in the new profile, you are very likely to be impressed with the speed. You can import the bookmarks that you saved in Step 1. If you have made any changes to the Firefox Dictionary, copy the persdict.dat word list file from the old profile folder to the new one.
Yes, there won't be any old Firefox add-ons in the new profile but the browser will be extremely quick and won't hog the CPU - just the way you want Firefox to run on your computer.
And if you ever need to revert to the old profile, just type Firefox -P again and click the old profile. Nothing is lost.
_______________________________________
NOTE: This means you will need to reinstall all plugins!
Also, check out these sites for speeding up your Firefox browser:
Tweaking Firefox:
http://www.forevergeek.com/2005/05/fixing_firefox_slow_downs/
Turning off Auto-Updates:
http://tiredblogger.wordpress.com/2008/04/09/firefox-slow-to-load-auto-updates-can-drag-you-down/
Official Support Forum:
http://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&forumId=1&comments_parentId=1682
| Asker's Rating: |
• I haven't had a chance to try this yet to see if it's my solution, but it's a good, detailed answer that will surely work for someone!
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Other Answers (3)
March 12, 2009 03:38 PM
I've noticed at work Firefox has been much slower than normal to load pages I haven't been to or that aren't already in my cache. Even logging into sites like Mahalo have taken longer than normal since the latest patch. It hasn't mattered what the speed of the machine is either. As I'm answering right now, I'm doing so on a dual core 3+ ghz machine. It's been acting like the 2.2 ghz office computer the administrative assistant uses and I use Firefox exclusively on both machines. Very strange.
I know that's it's not a network issue on my end either - I'm the network administrator at the studio with QoS priority, so I get 90% of the maximum bandwidth at all times.
Permalink | Report
Reply
March 12, 2009 04:00 PM
I don't so much notice it being slow *after* extension updates, but rather before. A number of times with slightly earlier versions (e.g. 3.0.5) Firefox would slow to a crawl, getting to where I'd get impatient and End Process to kill it. Then as soon as I'd reopen it there would be one or more extension updates waiting to be installed.
It's almost as if the update functionality is like a whining child saying "Lookit me lookit me!", jumping up and down and taking up Firefox's resources. This hasn't happened too much lately, and could for all I know just be a fluke, but Firefox does still have issues with eating up lots of CPU and memory on occasion so who knows.
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Reply
March 12, 2009 04:21 PM
About a month ago, I tried to launch Firefox, and it wouldn't load the page at all. Tried later, and the same thing happened. Download a new copy/upgraded version;it did the exact same thing. So yeah, my MFF slowed to the point of nonexistence. NOTE: I never changed any of my system settings. Just for the record, I use a 2.4 ghz Celeron.
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