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Privacy/Features/DNT signal

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Make DNT signal accessible from the navigator global object
Stage Complete
Status `
Release target Firefox 9
Health OK
Status note `


Product manager Sid Stamm
Directly Responsible Individual `
Lead engineer Justin Lebar
Security lead `
Privacy lead `
Localization lead `
Accessibility lead `
QA lead Ioana Budnar
UX lead `
Product marketing lead `
Operations lead `
Additional members `

Open issues/risks


Stage 1: Definition

1. Feature overview

Web sites should be able to check if I have do-not-track (DNT) turned on without needing access to the HTTP stream. A navigator.doNotTrack object in the JS global namespace could signal that I have enabled DNT, and its value could match what is sent in the HTTP header.

2. Users & use cases

  • A site may embed third-party content, and not trusting the third parties to honor DNT force them to honor it by suppressing the content when DNT is enabled.

3. Dependencies


4. Requirements




Stage 2: Design

5. Functional specification

  • see bug 629535: add do-not-track signal to navigator global object

6. User experience design


Stage 3: Planning

7. Implementation plan


8. Reviews

Security review


Privacy review


Localization review




Quality Assurance review


Operations review


Stage 4: Development

9. Implementation


Stage 5: Release

10. Landing criteria


Feature details

Priority P2
Rank 999
Theme / Goal Enable Control of Tracking and Third-Party Sharing
Roadmap Privacy
Secondary roadmap `
Feature list Platform
Project `
Engineering team DOM

Team status notes

  status notes
Products ` `
Engineering ` `
Security sec-review-unnecessary `
Privacy ` `
Localization ` `
Accessibility ` `
Quality assurance Signed Off Test Plan
User experience ` `
Product marketing ` `
Operations ` `