Content Security Policy Level 2
- RECMitigate cross-site scripting attacks by only allowing certain sources of script, style, and other resources. CSP 2 adds hash-source, nonce-source, and five new directives
IE
- 5.5 - 10: Not supported
- 11: Not supported
Edge
- 12 - 14: Not supported
- 15 - 18: Partial support
- 79 - 86: Supported
- 87: Supported
Firefox
- 2 - 30: Not supported
- 31 - 34: Partial support
- 35: Partial support
- 36 - 44: Partial support
- 45 - 83: Partial support
- 84: Partial support
- 85 - 86: Partial support
Chrome
- 4 - 35: Not supported
- 36 - 38: Partial support
- 39: Partial support
- 40 - 86: Supported
- 87: Supported
- 88 - 90: Supported
Safari
- 3.1 - 9.1: Not supported
- 10 - 13.1: Supported
- 14: Supported
- TP: Supported
Opera
- 9 - 22: Not supported
- 23 - 25: Partial support
- 26: Partial support
- 27 - 71: Supported
- 72: Supported
iOS Safari
- 3.2 - 9.3: Not supported
- 10 - 13.7: Supported
- 14: Supported
Opera Mini
- all: Not supported
Android Browser
- 2.1 - 4.4.4: Not supported
- 81: Supported
Opera Mobile
- 10 - 12.1: Not supported
- 59: Supported
Chrome for Android
- 87: Supported
Firefox for Android
- 83: Partial support
UC Browser for Android
- 12.12: Not supported
Samsung Internet
- 4 - 12.0: Supported
- 13.0: Supported
QQ Browser
- 10.4: Supported
Baidu Browser
- 7.12: Supported
KaiOS Browser
- 2.5: Partial support