Navigator: doNotTrack property
Deprecated: This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.
The Navigator.doNotTrack property returns the user's Do Not Track setting, which indicates whether the user is requesting websites and advertisers to not track them.
The value of the property reflects that of the DNT HTTP header, i.e. values of "1", "0", or null.
Value
Examples
console.log(navigator.doNotTrack);
Specifications
Browser compatibility
|
Desktop |
Mobile |
|
Chrome |
Edge |
Firefox |
Internet Explorer |
Opera |
Safari |
WebView Android |
Chrome Android |
Firefox for Android |
Opera Android |
Safari on IOS |
Samsung Internet |
doNotTrack |
23 |
17Before version 17, Edge implemented window.doNotTrack.
|
9["In Firefox, navigator.doNotTrack returns \"unspecified\" instead of null.", "Before Firefox 32, navigator.doNotTrack would report values of \"yes\" and \"no\" rather than \"1\" and \"0\"."]
|
9–11For IE11 and subsequent versions, use window.doNotTrack
|
12 |
5.1–7 |
4.4 |
25 |
9["In Firefox, navigator.doNotTrack returns \"unspecified\" instead of null.", "Before Firefox 32, navigator.doNotTrack would report values of \"yes\" and \"no\" rather than \"1\" and \"0\"."]
|
12 |
5–7 |
1.5 |
See also