# Do Not Track（请勿追踪）

请勿追踪（英语：Do Not Track，简称DNT）是一项HTTP头字段（Header）。当用户启用该功能后，浏览器会在http数据传输中添加一个头字段：“dnt: 1”，该字段向网站的服务器表明用户不希望被追踪。这样，遵守该规则的网站就不会追踪用户的个人信息来用于投放更精准的广告。

资料来源：维基百科


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