Two Drafts Published by the Tracking Protection Working Group

13 March 2012
The Tracking Protection Working Group has published two documents today.
  • A First Public Working Draft of Tracking Compliance and Scope which defines the meaning of a Do Not Track (DNT) preference and sets out practices for websites to comply with this preference.
  • A First Public Working Draft of Tracking Preference Expression (DNT) which defines the technical mechanisms for expressing a tracking preference via the DNT request header field in HTTP, via an HTML DOM property readable by embedded scripts, and via properties accessible to various user agent plug-in or extension APIs. It also defines mechanisms for sites to signal whether and how they honor this preference, both in the form of a machine-readable tracking status resource at a well-known location and via a "Tk" response header field, and a mechanism for allowing the user to approve site-specific exceptions to DNT as desired.
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