[1] [CITE@en[Web Tracking Protection]]
( ([TIME[2011-02-24 23:18:00 +09:00]] 版))
<http://www.w3.org/Submission/2011/SUBM-web-tracking-protection-20110224/>

[2] [CITE[Bug 628197 – Implement do-not-track HTTP header]]
( ([TIME[2011-03-07 22:14:16 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=628197>

[3] [CITE[Bug 628198 – Implement UI for do-not-track HTTP header]]
( ([TIME[2011-03-07 22:14:18 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=628198>

[4] [CITE@en[Privacy/Jan2011 DoNotTrack FAQ - MozillaWiki]]
( ([TIME[2011-01-25 06:56:54 +09:00]] 版))
<https://wiki.mozilla.org/Privacy/Jan2011_DoNotTrack_FAQ>

[5] [CITE@en[Do Not Track at W3C - W3C Blog]]
( ([TIME[2011-03-04 09:51:07 +09:00]] 版))
<http://www.w3.org/QA/2011/02/do_not_track_at_w3c.html>