Mozilla Introduces “Do Not Track”, Hopes to Make It Industry Standard

Will Advertisers, Browsers, and Sites Adopt it?

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Mozilla has proposed a "do not track" browser feature, which would allow Firefox users to opt out of any third-party ad-based tracking. Such a feature would work by transmitting a Do Not Track HTTP header with each click or page view in the browser.

Alex Fowler the Global Privacy and Public Policy Leader at Mozilla, writes on his personal blog

The Do Not Track header builds on the work the advertising networks have done to date without the cookie-based systems they make available to people online. The advantages to the header technique are that it is less complex and simple to locate and use, it is more persistent than cookie-based solutions, and it doesn’t rely on user’s finding and loading lists of ad networks and advertisers to work. We’re not the only ones who think this approach makes sense. The FTC calls for a “more uniform and comprehensive consumer choice mechanism for online behavioral advertising. In addition, the HTTP header technique has been proposed before (see the good work by donottrack.us and the UBAO add-on).

The challenge with adding this to the header is that it requires both browsers and sites to implement it to be fully effective. Mozilla recognizes the chicken and egg problem and we are taking the step of proposing that this feature be considered for upcoming releases of Firefox.

Firefox Do Not Track Mechanism explained

A couple weeks ago, Mozilla made the latest Firefox Beta available for4 testing, as it works toward the final release of Firefox 4. 

It’s worth noting, as Fowler does, that the header-based Do Not Track mechanism will only work if both browsers and sites implement it. 

The feature is only in proposal mode at this point, and will be the subject of discussion among the Mozilla community. Mozilla also aims to get more of the tech and advertising communities involved, and make the header an industry standard.

Mozilla Introduces “Do Not Track”, Hopes to Make It Industry Standard
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  • Cormac

    Hi Chris

    Any idea if this affects analytics software or is it just for ad networks?

    • Chris Crum

      Not sure about the analytics at this point.

  • Guest

    So is this the Google killer? No more spying? Did IE implement the same?

    • Chris Crum

      Well, Google has just introduced its own browser extension: http://www.webpronews.com/topnews/2011/01/24/google-launches-keep-my-opt-outs-chrome-extension

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