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tracking-ISSUE-151 (UA-exception-req): User Agent Requirement: Be able to handle an exception request [Tracking Preference Expression (DNT)]

From: Tracking Protection Working Group Issue Tracker <sysbot+tracker@w3.org>
Date: Wed, 06 Jun 2012 16:38:26 +0000
Message-Id: <E1ScJFa-0002gq-SA@tibor.w3.org>
To: public-tracking@w3.org
tracking-ISSUE-151 (UA-exception-req): User Agent Requirement: Be able to handle an exception request [Tracking Preference Expression (DNT)]

http://www.w3.org/2011/tracking-protection/track/issues/151

Raised by: Rigo Wenning
On product: Tracking Preference Expression (DNT)

There is software that in just a few lines of code just spawn DNT;1 or DNT;0 headers regardless of user's will. A requirement on the user agent that they can handle the full exception mechanism will allow to discard compliance statements by those agents. It will also allow also the site to test for conformance by requiring an exception. In case the UA does not react on an exception request, the server could ignore DNT signals from that UA. It would allow thus testing from the horizon of the site without wild guessing
Received on Wednesday, 6 June 2012 16:38:32 UTC

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