headers HTTP header: Expect-CT
IE
- 6 - 10: Support unknown
- 11: Support unknown
Edge
- 12 - 88: Supported
- 89: Supported
Firefox
- 2 - 86: Support unknown
- 87: Support unknown
- 88 - 89: Support unknown
Chrome
- 4 - 60: Not supported
- 61 - 88: Supported
- 89: Supported
- 90 - 92: Supported
Safari
- 3.1 - 13.1: Support unknown
- 14: Support unknown
- TP: Support unknown
Opera
- 10 - 47: Not supported
- 48 - 72: Supported
- 73: Supported
Safari on iOS
- 3.2 - 13.7: Support unknown
- 14: Support unknown
Opera Mini
- all: Support unknown
Android Browser
- 2.1 - 4.4.4: Not supported
- 89: Not supported
Opera Mobile
- 12 - 12.1: Not supported
- 62: Supported
Chrome for Android
- 89: Supported
Firefox for Android
- 86: Support unknown
UC Browser for Android
- 12.12: Support unknown
Samsung Internet
- 4 - 7.4: Not supported
- 8.2 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Support unknown
Baidu Browser
- 7.12: Support unknown
KaiOS Browser
- 2.5: Support unknown