Server Timing

- WD

Mechanism for web developers to annotate network requests with server timing information.

Chrome

  1. 4 - 59: Not supported
  2. 60 - 63: Disabled by default
  3. 64: Disabled by default
  4. 65 - 129: Supported
  5. 130: Supported
  6. 131 - 133: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 129: Supported
  3. 130: Supported

Safari

  1. 3.1 - 12: Not supported
  2. 12.1 - 16.3: Partial support
  3. 16.4 - 17.6: Supported
  4. 18.0: Supported
  5. 18.1 - TP: Supported

Firefox

  1. 2 - 60: Not supported
  2. 61 - 131: Supported
  3. 132: Supported
  4. 133 - 135: Supported

Opera

  1. 9 - 51: Not supported
  2. 52 - 113: Supported
  3. 114: Supported

IE

  1. 5.5 - 10: Not supported
  2. 11: Not supported

Chrome for Android

  1. 130: Supported

Safari on iOS

  1. 3.2 - 16.3: Not supported
  2. 16.4 - 17.7: Supported
  3. 18.0: Supported
  4. 18.1: Supported

Samsung Internet

  1. 4 - 25: Not supported
  2. 26: Not supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 80: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 130: Supported

Firefox for Android

  1. 130: Supported

QQ Browser

  1. 14.9: Supported

Baidu Browser

  1. 13.52: Supported

KaiOS Browser

  1. 2.5: Not supported
  2. 3: Supported
Resources:
Blog post
MDN article on PerformanceServerTiming
Demo