Do Not Track API

- CR

Allows the browser's Do Not Track setting to be queried via navigator.doNotTrack.

IE

  1. 5.5 - 8
  2. 9 - 10
  3. 11

Edge

  1. 12 - 16
  2. 17 - 81
  3. 83

Firefox

  1. 2 - 8
  2. 9 - 31
  3. 32 - 75
  4. 76
  5. 77 - 78

Chrome

  1. 4 - 22
  2. 23 - 81
  3. 83
  4. 84 - 86

Safari

  1. 3.1 - 5
  2. 5.1 - 6
  3. 6.1 - 9
  4. 9.1 - 12
  5. 12.1 - 13
  6. 13.1
  7. TP

Opera

  1. 9 - 11.6
  2. 12 - 67
  3. 68

iOS Safari

  1. 3.2 - 6.1
  2. 7 - 8.4
  3. 9 - 12.1
  4. 12.2 - 13.3
  5. 13.4

Opera Mini

  1. all

Android Browser

  1. 2.1 - 4.3
  2. 4.4 - 4.4.4
  3. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10 - 12
  2. 12.1
  3. 46

Chrome for Android

  1. 81

Firefox for Android

  1. 68

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4 - 10.1
  2. 11.1

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5

Partial support refers to the doNotTrack field being misnamed, or being attached to an object other than navigator (e.g. window).

Resources:
MDN Web Docs - doNotTrack