this post was submitted on 10 Dec 2024
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Mozilla Firefox removes "Do Not Track" Feature support: Here's what it means for your Privacy (windowsreport.com)
submitted 1 day ago by TheTwelveYearOld to c/privacy
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https://windowsreport.com/mozilla-firefox-removes-do-not-track-feature-support-heres-what-it-means-for-your-privacy/

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[–] [email protected] 5 points 1 day ago* (last edited 1 day ago)

After reading the article and the spec, it looks like GPC is another header (like DNT) and a JavaScript variable the client would set. I don't see why this couldn't be used for tracking too.

For HTTP:

A user agent MUST generate a Sec-GPC header... if... gpcAtNavigation is true.

For JavaScript:

The globalPrivacyControl property is available on the navigator object

GPC also looks like a watered down version of DNT. DNT was "do not track," and GPC is "do not sell:

GPC is also not intended to limit a first party’s use of personal information within the first-party context (such as a publisher targeting ads to a user on its website based on that user’s previous activity on that same site).

Emphasis mine