Universal Behavioral Advertising Opt-out Version History

1 version

Be careful with old versions!

These versions are displayed for reference and testing purposes. You should always use the latest version of an add-on.

Version 1.0 2.0 KiB Works with Firefox 1.5 - 56.*

Changed the headers transmitted to the one recommended by http://donottrack.us as well as to be the same as the header transmitted by Firefox 4.0b11 and later. If you have Firefox 4.0b11 or later, you don't need this add-on!