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Thread: Firefox running slowly

  1. #1
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    Firefox running slowly

    I'm running Firefox 16.0.2 on Ubuntu 10.04.
    It is now running slowly in opening some web pages, the window frequently goes dim and I have noticed from my ADSL modem that there is no traffic until the window goes bright again.
    Could this be something to do with Mesa? If so is there a fix/bypass please?
    I note that I do not get any problems with the Chromium browser 22.0.1229.79.
    Mike (Dual boot Ubuntu & XP)
    MSi CR620 (Novatech i3 Core i3-350M) 2.27GHz 2GiB RAM, 250GiB SSD, Ubuntu 14.04
    ASUS Eee PC 1001P Atom N450 1.66GHz 1GiB RAM, Lubuntu 14.04
    Toshiba Equium, Toshiba XP an various Linux distro test systems

  2. #2
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    Re: Firefox running slowly

    Quote Originally Posted by welshmike View Post
    I'm running Firefox 16.0.2 on Ubuntu 10.04.
    It is now running slowly in opening some web pages, the window frequently goes dim and I have noticed from my ADSL modem that there is no traffic until the window goes bright again.
    Could this be something to do with Mesa? If so is there a fix/bypass please?
    I note that I do not get any problems with the Chromium browser 22.0.1229.79.
    Hi
    Try increasing maxrequest in http pipelining in firefox.
    Type about:config as url.
    Confirm OK
    Search for pipelining
    Increase the number of network.pipelining.http.maxrequests from your present value.
    Restart firefox

    Also try to use only those extensions which are needed. otherwise disable or un-install them.

    Regards,
    Abhinav

  3. #3
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    Re: Firefox running slowly

    Quote Originally Posted by Abhinav Kumar View Post
    Hi
    Try increasing maxrequest in http pipelining in firefox.
    Type about:config as url.
    Confirm OK
    Search for pipelining
    Increase the number of network.pipelining.http.maxrequests from your present value.
    Restart firefox

    Also try to use only those extensions which are needed. otherwise disable or un-install them.

    Regards,
    Abhinav
    Thanks. Here's what I found that may be relevant

    network.http.pipelining;false
    (edit) have since changed above to network.http.pipelining;true
    to see how it goes.
    network.http.pipelining.max-optimistic-requests;4
    network.http.pipelining.maxrequests;32

    any suggestions please?
    Last edited by welshmike; November 4th, 2012 at 09:19 PM.
    Mike (Dual boot Ubuntu & XP)
    MSi CR620 (Novatech i3 Core i3-350M) 2.27GHz 2GiB RAM, 250GiB SSD, Ubuntu 14.04
    ASUS Eee PC 1001P Atom N450 1.66GHz 1GiB RAM, Lubuntu 14.04
    Toshiba Equium, Toshiba XP an various Linux distro test systems

  4. #4
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    Re: Firefox running slowly

    Hi welshmike...

    In my experience pipelining may/may not improve browser performance depending on your computer hardware and internet service provider. You'll need to tinker and test to find your optimal settings.

    As already mentioned, uninstall all unnecessary add-ons.

    If you're prepared to learn/use NoScript (also blocks flash), flashblock and/or adblock are add-ons that can really reduce your CPU usage when browsing.

    Here are some of my favourite about:config changes to help my firefox run leaner, adjust to your liking, restart to ensure changes are in effect:
    browser.bookmarks.max_backups, 3
    browser.cache.offline.enable, false
    browser.chrome.favicons, false)
    browser.chrome.image_icons.max_size, 0
    browser.chrome.site_icons, false
    browser.display.show_image_placeholders, false
    browser.offline, false
    browser.sessionhistory.max_entries, 5
    browser.sessionhistory.max_total_viewers, 5
    browser.sessionstore.interval, 45000
    browser.sessionstore.max_tabs_undo, 3
    browser.sessionstore.max_windows_undo, 1
    browser.tabs.animate, false
    dom.ipc.plugins.enabled, false
    ui.submenuDelay, 1

    My dualboot Ubuntu runs firefox slower than my windowsXP. Although it may seem counter-intuitive, try changing your about:config network.http.max-connections from 256 down to 30 or 60. Restart and see if any better.

    If all else fails, create a new firefox profile (resets everything) to see if this gets things running fresh again.

    mardybear

  5. #5
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    Re: Firefox running slowly

    try disabling the add-on ubuntu firefox modifications. if i ever get slow performance, thats what helps me.

  6. #6
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    Re: Firefox running slowly

    Hi mardybear,

    Well my Firefox is running fast again now. It may well have been my ISP TalkTalk throttling broadband rate as it was over the weekend. Strangely I also noticed that the light on my modem/router stayed on and did not flash when I browsed to a different webpage from what I was looking at.

    Cheers
    Mike
    Mike (Dual boot Ubuntu & XP)
    MSi CR620 (Novatech i3 Core i3-350M) 2.27GHz 2GiB RAM, 250GiB SSD, Ubuntu 14.04
    ASUS Eee PC 1001P Atom N450 1.66GHz 1GiB RAM, Lubuntu 14.04
    Toshiba Equium, Toshiba XP an various Linux distro test systems

  7. #7
    Join Date
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    Re: Firefox running slowly

    Quote Originally Posted by black veils View Post
    try disabling the add-on ubuntu firefox modifications. if i ever get slow performance, thats what helps me.
    I spoke too soon and even with the mods disabled FF has gone into dull window and slow down just now. Time to use Chromium instead perhaps.
    Mike (Dual boot Ubuntu & XP)
    MSi CR620 (Novatech i3 Core i3-350M) 2.27GHz 2GiB RAM, 250GiB SSD, Ubuntu 14.04
    ASUS Eee PC 1001P Atom N450 1.66GHz 1GiB RAM, Lubuntu 14.04
    Toshiba Equium, Toshiba XP an various Linux distro test systems

  8. #8
    Join Date
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    Ubuntu 10.04 Lucid Lynx

    Re: Firefox running slowly

    Hi welshmike.

    Sorry to hear your performance improvement was intermittent. My experience is that Chromium uses a lot more resources than Firefox plus i have more trust in Mozilla than Google. I would never personally change to Chromium.

    You never mentioned if you tried all the changes and experimented. Did you try the about:config changes? Did you disable any add-ons (some are known to cause performance issues)? Did you restart Firefox between tweak attempts? Did you create/try a new profile? Do you regularly clear your cache (generally a good thing)?

    Couple other things to try in your Firefox settings:

    Encryption: open firefox preferences, click on advanced, select the encryption tab and under certificates, mark 'select one automatically'.

    Network settings: open firefox preferences, click on advanced, select the network tab and open settings, if you don't use a proxy (most don't) then mark 'no proxy'.

    mardybear

  9. #9
    Join Date
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    Re: Firefox running slowly

    Hi mardybear,

    I applied all the changes you suggested and there was no improvement.
    In fact this morning Firefox crashed.
    Mike (Dual boot Ubuntu & XP)
    MSi CR620 (Novatech i3 Core i3-350M) 2.27GHz 2GiB RAM, 250GiB SSD, Ubuntu 14.04
    ASUS Eee PC 1001P Atom N450 1.66GHz 1GiB RAM, Lubuntu 14.04
    Toshiba Equium, Toshiba XP an various Linux distro test systems

  10. #10
    Join Date
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    Re: Firefox running slowly

    Hi welshmike...

    Sorry i wasn't much help.

    mardybear

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