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Why "about:config keyword:URL" no longer blocks sites not wanted?


This string in the keyword:URL used to block unwanted results from the address bar search "http://www.bing.com/search?q -wikipedia -MSN -MSNBC -huffingtonpost -huffington -ehow -eHow -wikipedia -MSN -MSNBC -huffingtonpost -huffington -ehow -eHow" Since two or three updates ago it no longer blocks those results, any idea what Firefox has changed and how to work around it?

Additional System Details

Installed Plug-ins

  • Google Talk Plugin Video Accelerator version:
  • Version
  • Shockwave Flash 11.8 r800
  • Garmin Communicator Plug-In
  • Google Update
  • Next Generation Java Plug-in 10.25.2 for Mozilla browsers
  • NPRuntime Script Plug-in Library for Java(TM) Deploy
  • VLC media player Web Plugin 2.0.6
  • 5.1.20513.0
  • Adobe PDF Plug-In For Firefox and Netscape 10.1.6
  • A plugin to detect whether the Adobe Application Manager is installed on this machine.
  • Picasa plugin
  • BlackBerry WebSL Browser Plug-In
  • Garmin Communicator Plug-In
  • Motive Plugin for Mozilla Browsers
  • CANON iMAGE GATEWAY Album Plugin Utility Module for IJ
  • 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


  • Firefox 23.0.1
  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:23.0) Gecko/20100101 Firefox/23.0
  • Support URL: http://support.mozilla.org/1/firefox/23.0.1/WINNT/en-US/


  • Adobe Acrobat - Create PDF 1.2 (web2pdfextension@web2pdf.adobedotcom)
  • Adobe Contribute Toolbar 6.1 ({01A8CA0A-4C96-465b-A49B-65C46FAD54F9})
  • Form History Control (formhistory@yahoo.com)
  • Garmin Communicator 4.0.4 ({195A3098-0BD5-4e90-AE22-BA1C540AFD1E})
  • Troubleshooter 1.1a (troubleshooter@mozilla.org)
  • Norton Toolbar 2012.5.10.1 ({2D3F3651-74B9-4795-BDEC-6DA2F431CB62}) (Inactive)
  • Norton Vulnerability Protection - 1 ({BBDA0591-3099-440a-AA10-41764D9DB4DB}) (Inactive)


  • incrementalGCEnabled: True


  • adapterDescription: ATI Radeon HD 4250
  • adapterDescription2:
  • adapterDeviceID: 0x9715
  • adapterDeviceID2:
  • adapterDrivers: aticfx64 aticfx64 aticfx32 aticfx32 atiumd64 atidxx64 atiumdag atidxx32 atiumdva atiumd6a atitmm64
  • adapterDrivers2:
  • adapterRAM: 256
  • adapterRAM2:
  • adapterVendorID: 0x1002
  • adapterVendorID2:
  • direct2DEnabled: True
  • directWriteEnabled: True
  • directWriteVersion: 6.2.9200.16571
  • driverDate: 7-3-2012
  • driverDate2:
  • driverVersion: 8.970.100.3000
  • driverVersion2:
  • info: {u'AzureCanvasBackend': u'direct2d', u'AzureFallbackCanvasBackend': u'cairo', u'AzureContentBackend': u'direct2d'}
  • isGPU2Active: False
  • numAcceleratedWindows: 1
  • numTotalWindows: 1
  • webglRenderer: Google Inc. -- ANGLE (ATI Radeon HD 4250)
  • windowLayerManagerType: Direct3D 10

Modified Preferences

  • accessibility.typeaheadfind.flashBar: 0
  • 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.restore_on_demand: False
  • browser.startup.homepage: http://www.bing.com/?scope=web&mkt=en-US
  • browser.startup.homepage_override.buildID: 20130814063812
  • browser.startup.homepage_override.mstone: 23.0.1
  • browser.tabs.loadInBackground: False
  • browser.tabs.onTop: False
  • dom.mozApps.used: True
  • dom.w3c_touch_events.expose: False
  • extensions.lastAppVersion: 23.0.1
  • font.minimum-size.x-western: 10
  • font.size.fixed.x-western: 10
  • font.size.variable.x-western: 10
  • gfx.direct3d.last_used_feature_level_idx: 0
  • gfx.direct3d.prefer_10_1: True
  • keyword.URL: http://www.bing.com/search?q -wikipedia -MSN -MSNBC -huffingtonpost -huffington -ehow -eHow=-wikipedia -MSN -MSNBC -huffingtonpost -huffington -ehow -eHow
  • network.cookie.prefsMigrated: True
  • places.database.lastMaintenance: 1378040517
  • places.history.expiration.transient_current_max_pages: 104858
  • plugin.blocklisted.npviewpoint: True
  • plugin.disable_full_page_plugin_for_types: plugin.disable_full_page_plugin_for_types;application/pdf,application/vnd.adobe.xfdf,application/vnd.fdf,application/vnd.adobe.xdp+xml
  • plugin.importedState: True
  • plugin.state.npgeplugin: 0
  • plugin.state.npgoogletalk: 2
  • plugin.state.npgoogleupdate: 2
  • plugin.state.npgtpo3dautoplugin: 2
  • plugin.state.npo1d: 2
  • privacy.sanitize.migrateFx3Prefs: True
  • security.warn_viewing_mixed: False
  • storage.vacuum.last.index: 1
  • storage.vacuum.last.places.sqlite: 1376222875


  • User JS: No
  • Accessibility: No
  • Top 10 Contributor
  • Moderator
2042 solutions 8887 answers

hello don544, the keyword.url preference has been dropped in firefox 23 and above - you'd have to use an extension in order to restore it: https://addons.mozilla.org/firefox/addon/keywordurl-hack/

Question owner

Thanks but that add on does not work for me,guess I will have to go back to IE

  • Top 10 Contributor
  • Moderator
10738 solutions 96600 answers

In Firefox 23 versions and later the keyword.URL pref is no longer supported and it is no longer possible to specify the search engine for the location bar via the keyword.URL pref.

The search engine that is used on the location bar and on the about:home page is the search engine that is selected in the search Bar on the Navigation Toolbar.

You can install the Keyword Search extension to specify with search engine to use for the location bar and which search engine to use for the about:home page via the Options/Preferences windows of this extension, accessible via the about:addons page.

Question owner

Sorry but it is not the search engine but the blocked results that I want to return to, I have no problem specifying the search engine I wish to use .However as is usual some developer decided to remove a feature I use a lot(as in -wackopedia) ,for what reason I can not begin to imagine. But since I still am able to automatically block results from wackopedia and puffington with Internet Explorer I will continue to use same.