Resource Timing (basic support)

- CR

Method to help web developers to collect complete timing information related to resources on a document.

Chrome

  1. 4 - 24: Not supported
  2. 25 - 129: Supported
  3. 130: Supported
  4. 131 - 133: Supported

Edge

  1. 12 - 129: Supported
  2. 130: Supported

Safari

  1. 3.1 - 10.1: Not supported
  2. 11: Partial support
  3. 11.1 - 18.0: Supported
  4. 18.1: Supported
  5. 18.2 - TP: Supported

Firefox

  1. 2 - 30: Not supported
  2. 31 - 34: Disabled by default
  3. 35 - 131: Supported
  4. 132: Supported
  5. 133 - 135: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 113: Supported
  3. 114: Supported

IE

  1. 5.5 - 9: Not supported
  2. 10: Supported
  3. 11: Supported

Chrome for Android

  1. 130: Supported

Safari on iOS

  1. 3.2 - 10.3: Not supported
  2. 11 - 18.0: Supported
  3. 18.1: Supported
  4. 18.2: Supported

Samsung Internet

  1. 4 - 25: Supported
  2. 26: 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 - 4.3: Not supported
  2. 4.4 - 4.4.4: Supported
  3. 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: Supported
  2. 3: Supported

For newer Resource Timing APIs search for specific methods or see the sub-features under PerformanceResourceTiming API

Resources:
Blog post
Demo
SitePoint article