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Firefox is unbearably slow after updating to version 27

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After updating to Firefox 27 all webpages take a few dozen seconds to several minutes to load. When loading a webpage Firefox's status displays "connecting" and the CPU gets maxed out with 95 to 100% of its cycles taking by Firefox.

The computer is older so it is a little slow but Internet Explorer 8 has no trouble opening the webpages and neither do other computers on the LAN so it is not a network issue. I have tried restarting Firefox, disabling add-ons, deleting add-ons, disabling hardware acceleration, restarting the computer, and reinstalling Firefox after wiping every trace of it and its user data from the hard drive and registry.

CPU: AMD Athlon 2800+ 2.08GHz RAM: 1GB OS: Windows XP Home Edition Service Pack 3 32bit


Comments by a forum moderator.
(Modified April 30, 2014 12:11:58 PM BST by John99 ) ~J99
Rather a long thread so I will add some comments here where easily seen.

 Modified June 18, 2014 6:08:41 AM PDT by John99

After updating to Firefox 27 all webpages take a few dozen seconds to several minutes to load. When loading a webpage Firefox's status displays "connecting" and the CPU gets maxed out with 95 to 100% of its cycles taking by Firefox. The computer is older so it is a little slow but Internet Explorer 8 has no trouble opening the webpages and neither do other computers on the LAN so it is not a network issue. I have tried restarting Firefox, disabling add-ons, deleting add-ons, disabling hardware acceleration, restarting the computer, and reinstalling Firefox after wiping every trace of it and its user data from the hard drive and registry. CPU: AMD Athlon 2800+ 2.08GHz RAM: 1GB OS: Windows XP Home Edition Service Pack 3 32bit ------------ <u>Comments by a forum moderator.</u> <br / > (Modified April 30, 2014 12:11:58 PM BST by John99 ) ~J99 <br /> Rather a long thread so I will add some comments here where easily seen. * For general problems please see my post [/questions/985969?page=3#answer-546520] <br /> Updated 30th April 2014 to mention the outstanding known issue (aka the bug with only three votes) * Just below that ''jigebren'' has kindly summarised some workarounds at that particular time and the issues found from this thread [/questions/985969?page=3#answer-546599] Modified June 18, 2014 6:08:41 AM PDT by John99 ------------- * Workaround, <br /> A chrome hack to disable the throbber may resolve the issue as a workaround allowing pages to load quickly. See my post [/questions/985969?page=4#answer-595327]

Modifié le par John99

Détails additionnels sur le système

Plugins installés

  • Shockwave Flash 12.0 r0
  • 5.1.20913.0
  • VLC media player Web Plugin 2.0.6
  • Adobe Shockwave for Director Netscape plug-in, version 12.0.2.122
  • The plug-in allows you to open and edit files using Microsoft Office applications
  • Office Authorization plug-in for NPAPI browsers
  • Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
  • DRM Netscape Network Object
  • Npdsplay dll
  • DRM Store Netscape Plugin

Application

  • Firefox 27.0
  • Agent utilisateur : Mozilla/5.0 (Windows NT 5.1; rv:27.0) Gecko/20100101 Firefox/27.0
  • URL d’assistance : https://support.mozilla.org/1/firefox/27.0/WINNT/en-US/

Extensions

  • Adblock Edge 2.0.9 ({fe272bd1-5f76-4ea4-8501-a05d35d823fc})
  • Self-Destructing Cookies 0.4.2 (jid0-9XfBwUWnvPx4wWsfBWMCm4Jj69E@jetpack)
  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • Microsoft .NET Framework Assistant 0.0.0 ({20a82645-c095-46ed-80e3-08825760534b}) (inactive)

JavaScript

  • incrementalGCEnabled : True

Accélération graphique

  • adapterDescription : RADEON 7000 SERIES
  • adapterDescription2 :
  • adapterDeviceID : 0x5159
  • adapterDeviceID2 :
  • adapterDrivers : ati2dvag
  • adapterDrivers2 :
  • adapterRAM : Unknown
  • adapterRAM2 :
  • adapterVendorID : 0x1002
  • adapterVendorID2 :
  • direct2DEnabled : False
  • direct2DEnabledMessage : [u'tryNewerDriver', u'10.6']
  • directWriteEnabled : False
  • directWriteVersion : 0.0.0.0
  • driverDate : 5-3-2006
  • driverDate2 :
  • driverVersion : 8.252.0.0
  • driverVersion2 :
  • info : {u'AzureContentBackend': u'cairo', u'AzureCanvasBackend': u'skia', u'AzureFallbackCanvasBackend': u'cairo', u'AzureSkiaAccelerated': 0}
  • isGPU2Active : False
  • numAcceleratedWindows : 0
  • numAcceleratedWindowsMessage : [u'tryNewerDriver', u'9.6']
  • numTotalWindows : 1
  • webglRendererMessage : [u'tryNewerDriver', u'9.6']
  • windowLayerManagerRemote : False
  • windowLayerManagerType : Basic

Préférences modifiées

  • browser.cache.disk.capacity : 358400
  • browser.cache.disk.smart_size.first_run : False
  • browser.cache.disk.smart_size.use_old_max : False
  • browser.cache.disk.smart_size_cached_value : 358400
  • browser.places.smartBookmarksVersion : 4
  • browser.sessionstore.upgradeBackup.latestBuildID : 20140127194636
  • browser.startup.homepage : https://duckduckgo.com/
  • browser.startup.homepage_override.buildID : 20140127194636
  • browser.startup.homepage_override.mstone : 27.0
  • dom.mozApps.used : True
  • extensions.lastAppVersion : 27.0
  • gfx.direct2d.disabled : True
  • layers.acceleration.disabled : True
  • network.cookie.prefsMigrated : True
  • places.database.lastMaintenance : 1391983052
  • places.history.expiration.transient_current_max_pages : 26831
  • plugin.disable_full_page_plugin_for_types : application/pdf
  • plugin.importedState : True
  • privacy.sanitize.migrateFx3Prefs : True
  • storage.vacuum.last.index : 0
  • storage.vacuum.last.places.sqlite : 1391983052

Divers

  • JS utilisateur : Non
  • Accessibilité : Non
petef 4 solutions 60 réponses

John99 & Jigebren I have been using FxESR as suggested, like Atanasoff this immediately solved the problem. Thanks. Today installed Fx31, will post how it goes.

John99 & Jigebren I have been using FxESR as suggested, like Atanasoff this immediately solved the problem. Thanks. Today installed Fx31, will post how it goes.