DNT

请求首部 DNT (Do Not Track) 表明了用户对于网站追踪的偏好。它允许用户指定自己是否更注重个人隐私还是定制化内容。

Header type Request header
Forbidden header name yes

语法

DNT: 0
DNT: 1

指令

0

表示用户愿意目标站点追踪用户个人信息。

1

表示用户不愿意目标站点追踪用户个人信息。

示例

使用 JavaScript 读取“不追踪”(Do Not Track)状态

用户对 DNT 的设置还可以使用 Navigator.doNotTrack 属性进行读取:

js
navigator.doNotTrack; // "0" or "1"

规范

No specification found

No specification data found for http.headers.DNT.
Check for problems with this page or contribute a missing spec_url to mdn/browser-compat-data. Also make sure the specification is included in w3c/browser-specs.

浏览器兼容性

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
DNT
DeprecatedNon-standard

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support
Non-standard. Check cross-browser support before using.
Deprecated. Not for use in new websites.

参见