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editor's note on the navigator property

From: David Singer <singer@mac.com>
Date: Mon, 17 Jul 2017 15:42:44 +0200
To: "public-tracking@w3.org (public-tracking@w3.org)" <public-tracking@w3.org>
Message-id: <6D039D38-2F80-422F-B084-8A81E3C65AE3@mac.com>
I don’t understand this editor’s note in the draft:

"the doNotTrack property which now appears to be useless”

Why is it useless?  It computes the header that would be sent to the domain of the requestor. The result is impacted by (at least):

a) the user’s general preference
b) whether there is a web-wide exception that I have requested and been granted (ok, this is something I both should know and could verify in other ways)
c) whether I am embedded in a site that has requested a site-specific exception that includes me (OK, I could try to confirm the duplet formed by the top-level browsing context and me, and confirm that exception, but what a hassle)

There are (at least) these three to check, and I don’t believe a script has any other way to get (a).

What am I missing?

Dave Singer

Received on Monday, 17 July 2017 13:43:15 UTC

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