Review Request: GUI configuration for the 'Do Not Track' feature...

Dawit A adawit at
Sat Apr 16 01:00:19 BST 2011

2011/4/15 Ingo Klöcker <kloecker at>:
> On Friday 15 April 2011, Oswald Buddenhagen wrote:
>> On Fri, Apr 15, 2011 at 09:24:47AM -0400, Dawit Alemayehu wrote:
>> > On Thu, Apr 14, 2011 at 6:26 PM, Maksim Orlovich <mo85 at>
> wrote:
>> > > Ah, I misread the default. But still, I don't think we want to
>> > > send DNT:0 if the user unchecks the checkbox, given how the
>> > > label is worded -- IMHO we wouldn't want to send the header at
>> > > all.
>> >
>> > That makes no sense especially since not sending the header is
>> > currently equivalent to DNT: 1.
>> huh?
> Ossi is right. NO-EXPRESSED-PREFERENCE (header is missing) is equivalent
> to OPT-IN (DNT: 0) as in both cases "a server MAY perform THIRD-PARTY

Hmm... I indeed got that wrong. According to the draft spec secion
8.3, no header present is an OPT-IN. However, since we always send
"DNT:1" or OPT-OUT by default, this should not be an issue. A user can
then uncheck the box to OPT-IN (DNT:0) if they so desire. And since
not sending the header is the same as "DNT:0", then there is no reason
why we should not explicitly include it in the header sent to the

Dawit A.

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