The set of Sec-CH-UA-* client hints aims to deprecate and replace the User-Agent header in order to reduce the passive fingerprinting surface we expose via HTTP requests.

Motivation

Demo

Documentation

Specification

Specification link


Unknown standards status - check spec link for status

Status in Chromium

Blink


Enabled by default (tracking bug)

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • Harmful
  • Positive
  • No signal
  • No signals

Owners

Intent to Prototype url

Intent to Prototype thread

Comments

Enabled by default in M89.

Last updated on 2021-08-03