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Firefox runs extremely slow compared to other browsers, have tried uninstalling, setting exclusions to both antivirus and firewall with no success. Suggestions?

Posted

My Firefox browser on my Windows 10 Surface Book is being extremely slow at loading web pages compared to my other browsers like Chrome. I have tried running exclusions on Firefox for both the Windows Defender antivirus & firewall. Moreover, I've tried reinstalling Firefox, disabling add-ons, configuring the performance settings, and restarting it in Safe Mode. Now that I think about it, this issue has been plaguing me for months, but Firefox will go back to running perfectly for weeks at a time, and then goes right back to being horrendously slow at loading web pages again. Heck, even a simple Google search seems to take ages to load! I really don't want to switch to Chrome or any other browser so I really hope the community can help me out since I'm not sure what else I can do. Thank you for any help on this!

My Firefox browser on my Windows 10 Surface Book is being extremely slow at loading web pages compared to my other browsers like Chrome. I have tried running exclusions on Firefox for both the Windows Defender antivirus & firewall. Moreover, I've tried reinstalling Firefox, disabling add-ons, configuring the performance settings, and restarting it in Safe Mode. Now that I think about it, this issue has been plaguing me for months, but Firefox will go back to running perfectly for weeks at a time, and then goes right back to being horrendously slow at loading web pages again. Heck, even a simple Google search seems to take ages to load! I really don't want to switch to Chrome or any other browser so I really hope the community can help me out since I'm not sure what else I can do. Thank you for any help on this!

Chosen solution

hi, please see if the following change in configuration can fix the performance problems: go to the firefox menu ≡ > options > privacy & security panel, under the permissions section enable the setting to prevent accessibility services from accessing your browser and restart once.

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Additional System Details

Installed Plug-ins

N/A

Application

  • Firefox 64.0.2
  • User Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:64.0) Gecko/20100101 Firefox/64.0
  • Support URL: https://support.mozilla.org/1/firefox/64.0.2/WINNT/en-US/

Extensions

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: Intel(R) HD Graphics 520
  • adapterDescription2:
  • adapterDeviceID: 0x1916
  • adapterDeviceID2:
  • adapterDrivers: igdumdim64 igd10iumd64 igd10iumd64 igd12umd64 igdumdim32 igd10iumd32 igd10iumd32 igd12umd32
  • adapterDrivers2:
  • adapterRAM: Unknown
  • adapterRAM2:
  • adapterSubsysID: 00141414
  • adapterSubsysID2:
  • adapterVendorID: 0x8086
  • adapterVendorID2:
  • contentUsesTiling: False
  • crashGuards: []
  • direct2DEnabled: False
  • direct2DEnabledMessage: [u'']
  • directWriteEnabled: True
  • directWriteVersion: 10.0.17763.168
  • driverDate: 9-26-2018
  • driverDate2:
  • driverVersion: 24.20.100.6293
  • driverVersion2:
  • featureLog: {u'fallbacks': [], u'features': [{u'status': u'blocked', u'description': u'Compositing', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'Acceleration blocked by safe-mode', u'type': u'runtime'}], u'name': u'HW_COMPOSITING'}, {u'status': u'unavailable', u'description': u'Direct3D11 Compositing', u'log': [{u'status': u'unavailable', u'message': u'Hardware compositing is disabled', u'type': u'default'}], u'name': u'D3D11_COMPOSITING'}, {u'status': u'unavailable', u'description': u'Direct2D', u'log': [{u'status': u'unavailable', u'message': u'Direct2D requires Direct3D 11 compositing', u'type': u'default'}], u'name': u'DIRECT2D'}, {u'status': u'disabled', u'description': u'Direct3D11 hardware ANGLE', u'log': [{u'status': u'unavailable', u'message': u'D3D11 compositing is disabled', u'type': u'default'}, {u'status': u'disabled', u'message': u'D3D11 compositing is disabled', u'type': u'env'}], u'name': u'D3D11_HW_ANGLE'}, {u'status': u'blocked', u'description': u'GPU Process', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'Safe-mode is enabled', u'type': u'runtime'}], u'name': u'GPU_PROCESS'}, {u'status': u'unavailable', u'description': u'WebRender', u'log': [{u'status': u'opt-in', u'message': u'WebRender is an opt-in feature', u'type': u'default'}, {u'status': u'unavailable', u'message': u'ANGLE is disabled', u'type': u'runtime'}], u'name': u'WEBRENDER'}, {u'status': u'blocked', u'description': u'WebRender qualified', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'Has battery', u'type': u'env'}], u'name': u'WEBRENDER_QUALIFIED'}, {u'status': u'blocked', u'description': u'Off Main Thread Painting', u'log': [{u'status': u'available', u'type': u'default'}, {u'status': u'blocked', u'message': u'OMTP blocked by safe-mode', u'type': u'runtime'}], u'name': u'OMTP'}]}
  • info: {u'ApzWheelInput': 1, u'ApzDragInput': 1, u'ApzKeyboardInput': 1, u'ApzTouchInput': 1, u'ApzAutoscrollInput': 1, u'AzureFallbackCanvasBackend': u'cairo', u'AzureCanvasAccelerated': 0, u'AzureCanvasBackend': u'skia', u'AzureContentBackend': u'skia'}
  • isGPU2Active: False
  • numAcceleratedWindows: 0
  • numAcceleratedWindowsMessage: [u'']
  • numTotalWindows: 1
  • offMainThreadPaintEnabled: False
  • offMainThreadPaintWorkerCount: 0
  • usesTiling: False
  • webgl1DriverExtensions: -
  • webgl1Extensions: -
  • webgl1Renderer: WebGL is currently disabled.
  • webgl1Version: -
  • webgl1WSIInfo: -
  • webgl2DriverExtensions: -
  • webgl2Extensions: -
  • webgl2Renderer: WebGL is currently disabled.
  • webgl2Version: -
  • webgl2WSIInfo: -
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Basic
  • windowUsingAdvancedLayers: False

Modified Preferences

Misc

  • User JS: No
  • Accessibility: Yes
philipp
  • Top 25 Contributor
  • Moderator
5291 solutions 23375 answers

Chosen Solution

hi, please see if the following change in configuration can fix the performance problems: go to the firefox menu ≡ > options > privacy & security panel, under the permissions section enable the setting to prevent accessibility services from accessing your browser and restart once.

hi, please see if the following change in configuration can fix the performance problems: go to the firefox ''menu ≡ > options > privacy & security'' panel, under the permissions section enable the setting to '''prevent accessibility services from accessing your browser''' and restart once.

Question owner

It's so much faster now, thank you so much! You've helped saved me from a lot of future frustration!

It's so much faster now, thank you so much! You've helped saved me from a lot of future frustration!