Do Not Track: A Universal Third-Party Web Tracking Opt Out

Document Type Expired Internet-Draft (individual)
Authors Jonathan Mayer  , Arvind Narayanan  , Sid Stamm 
Last updated 2011-03-07
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This document defines the syntax and semantics of Do Not Track, an HTTP header-based mechanism that enables users to express preferences about third-party web tracking. It also provides a standard for how web services should comply with such user preferences.


Jonathan Mayer (
Arvind Narayanan (
Sid Stamm (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)