[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@en[navigator.doNotTrack - MDN]]
( ([TIME[2012-05-18 08:04:01 +09:00]] 版))
<https://developer.mozilla.org/en/DOM/navigator.doNotTrack>