Overview#DNT (Do Not Track) is the proposed HTTP Header Field and a HTTP Request Header that indicates the User-agent tracking preference.
DNT has proposed standards from WC3 and an Internet Draft https://tools.ietf.org/html/draft-mayer-do-not-track-00
DNT has one HTTP Header Directive which has one of the following values:
- 0 - User-agent] prefers to allow tracking on the target Website
- 1 - User-agent] prefers not to be tracked on the target Website
- (none) - if the user has not expressed a preference