You can select the "Do Not Track" option: *in Firefox 4 by checking "Tell web sites I do not want to be tracked": **click Firefox button > Options > Options > Advanced > General, Browsing section **using the Menu Bar if you wish: Tools > Options > Advanced > General, Browsing section *In Firefox 5 by checking "Tell web sites I do not want to be tracked" (with special thanks to '''''sawanbanna'''''; see post below): **click Firefox button > Options > Options > Privacy **using the Menu Bar if you wish: Tools > Options > Privacy *See information about Firefox's "Do Not Track" option (''web site response to the header sent by this option is '''voluntary'''''): **http://blog.mozilla.com/blog/2011/02/08/mozilla-firefox-4-beta-now-including-do-not-track-capabilities/ -------------------------- '''The Firefox button''' is visible by default only in Vista and Windows 7. You can turn it on and the Menu Bar (File, Edit, View, History, Bookmarks, Tools, Help) off if you wish. Warning: the menu items are different on the Firefox button, but you can turn the Menu Bar back on if you wish. To check/un-check Menu Bar do one of the following: *Note: Menu Bar checked = Menu Bar on, Firefox button off; un-checked = Firefox button on, Menu Bar off *from Menu Bar: View > Toolbars > Menu Bar *from Firefox button: Firefox button > Options > Menu Bar *HOLD down the ALT key while pressing the keyboard letters VTM <br /> -------------------------- <br /> '''You need to update the following.''' The Plugin version(s) shown below was/were submitted with your question and is/are out of date. You should update to avoid known security issues with the version(s) you have installed. Click on "More system info..." to the right of your question to see what was included with your question. *Shockwave Flash 10.2 r153 *Next Generation Java Plug-in 1.6.0_24 for Mozilla browsers #'''''Check your plugin versions''''' on either of the following links': #*http://www.mozilla.com/en-US/plugincheck/ #*https://www-trunk.stage.mozilla.com/en-US/plugincheck/ #*'''Note: plugin check page does not have information on all plugin versions''' #*There are plugin specific testing links available from this page: #**http://kb.mozillazine.org/Testing_plugins #'''Update the [[Managing the Flash plugin|Flash]] plugin''' to the latest version. #*Download and SAVE to your Desktop so you can find the installer later #*If you do not have the current version, click on the "Player Download Center" link on the "'''Download and information'''" or "'''Download Manual installers'''" below #*After download is complete, exit Firefox #*Click on the installer you just downloaded and install #**Windows 7 and Vista: may need to right-click the installer and choose "Run as Administrator" #*Start Firefox and check your version again or test the installation by going back to the download link below #*'''Download and information''': http://www.adobe.com/software/flash/about/ #**Use Firefox to go to the above site to update the Firefox plugin (will also install plugin for most other browsers; except IE) #**Use IE to go to the above site to update the IE ActiveX #*'''Download Manual installers'''. #**http://kb2.adobe.com/cps/191/tn_19166.html#main_ManualInstaller #**Note separate links for: #***Plugin for Firefox and most other browsers #***ActiveX for IE #'''Update the [[Java]] plugin''' to the latest version. #*Download site: http://www.oracle.com/technetwork/java/javase/downloads/index.html (Java Platform: Download JRE) #**'''''Be sure to <u>un-check the Yahoo Toolbar</u> option during the install if you do not want it installed. #*Also see "Manual Update" in this article to update from the Java Control Panel in Windows Control Panel: http://support.mozilla.com/en-US/kb/Using+the+Java+plugin+with+Firefox#Updates #* Removing old versions (if needed): http://www.java.com/en/download/faq/remove_olderversions.xml #* Remove multiple Java Console extensions (if needed): http://kb.mozillazine.org/Firefox_:_FAQs_:_Install_Java#Multiple_Java_Console_extensions #*Java Test: http://www.java.com/en/download/help/testvm.xml

in firefox 5, it's located at Privacy tab...Tracking section, on top of History...