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Memory use under FF 42.0

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Displaying this very website under FF 42.0 requires 270 MB. Watching an HTML5 1080p video stream on twitch.tv on Microsoft Edge requires ~280MB.

What is wrong with Firefox?

Displaying this very website under FF 42.0 requires 270 MB. Watching an HTML5 1080p video stream on twitch.tv on Microsoft Edge requires ~280MB. What is wrong with Firefox?

Modified by Ad

Additional System Details

Installed Plug-ins

  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • Next Generation Java Plug-in 11.65.2 for Mozilla browsers
  • Shockwave Flash 19.0 r0

Application

  • Firefox 42.0
  • User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:42.0) Gecko/20100101 Firefox/42.0
  • Support URL: https://support.mozilla.org/1/firefox/42.0/WINNT/fr/

Extensions

  • Adblock Plus 2.6.11 ({d10d0bf8-f5b5-c8b4-a8b2-2b9879e08c5d})

Javascript

  • incrementalGCEnabled: True

Graphics

  • adapterDescription: NVIDIA GeForce GT 420M
  • adapterDescription2:
  • adapterDeviceID: 0x0df1
  • adapterDeviceID2:
  • adapterDrivers: nvd3dumx,nvwgf2umx,nvwgf2umx,nvwgf2umx nvd3dum,nvwgf2um,nvwgf2um,nvwgf2um
  • adapterDrivers2:
  • adapterRAM: 1024
  • adapterRAM2:
  • adapterSubsysID: 04871025
  • adapterSubsysID2:
  • adapterVendorID: 0x10de
  • adapterVendorID2:
  • direct2DEnabled: True
  • directWriteEnabled: True
  • directWriteVersion: 10.0.10586.0
  • driverDate: 11-13-2015
  • driverDate2:
  • driverVersion: 10.18.13.5900
  • driverVersion2:
  • info: {u'AzureCanvasBackend': u'direct2d 1.1', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'direct2d 1.1', u'AzureSkiaAccelerated': 0}
  • isGPU2Active: False
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • supportsHardwareH264: True
  • webglRenderer: Google Inc. -- ANGLE (NVIDIA GeForce GT 420M Direct3D11 vs_5_0 ps_5_0)
  • windowLayerManagerRemote: True
  • windowLayerManagerType: Direct3D 11

Modified Preferences

Misc

  • User JS: No
  • Accessibility: No
FredMcD
  • Top 10 Contributor
4224 solutions 58931 answers
I saw no issue with my Win 7 Firefox 42. ----------- https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can '''https://support.mozilla.org/en-US/kb/websites-look-wrong-or-appear-differently''' '''https://support.mozilla.org/en-US/kb/firefox-slow-how-make-it-faster''' '''https://support.mozilla.org/en-US/kb/firefox-uses-too-many-cpu-resources-how-fix''' '''https://support.mozilla.org/en-US/kb/firefox-hangs-or-not-responding'''