User Timing API
- RECMethod to help web developers measure the performance of their applications by giving them access to high precision timestamps.
IE
- 5.5 - 9: Not supported
- 10: Supported
- 11: Supported
Edge
- 12 - 88: Supported
- 89: Supported
Firefox
- 2 - 37: Not supported
- 38 - 86: Supported
- 87: Supported
- 88 - 89: Supported
Chrome
- 4 - 24: Not supported
- 25 - 88: Supported
- 89: Supported
- 90 - 92: Supported
Safari
- 3.1 - 10.1: Not supported
- 11 - 13.1: Supported
- 14: Supported
- TP: Supported
Opera
- 9 - 12.1: Not supported
- 15 - 72: Supported
- 73: Supported
Safari on iOS
- 3.2 - 10.3: Not supported
- 11 - 13.7: Supported
- 14: Supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.3: Not supported
- 4.4 - 4.4.4: Supported
- 89: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 62: Supported
Chrome for Android
- 89: Supported
Firefox for Android
- 86: Supported
UC Browser for Android
- 12.12: Supported
Samsung Internet
- 4 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Supported