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DNT

defined as the means for expressing a user's tracking preference via HTTP.

请求头Tracking Preference Expression (DNT)

Quick facts

NameDNT
Type请求头
SpecificationTracking Preference Expression (DNT)

Description

defined as the means for expressing a user's tracking preference via HTTP.

Syntax

DNT: 1

Tracking Preference Expression (DNT)

Frequently asked questions

What does the DNT header do?

defined as the means for expressing a user's tracking preference via HTTP.

Is DNT a request or response header?

It is classified as a request header and can appear in requests or responses depending on context.

Sources & standards

Updated 2026-08-18