navigator.hardwareConcurrency
- LSReturns the number of logical cores of the user's CPU. The value may be reduced to prevent device fingerprinting or because it exceeds the allowed number of simultaneous web workers.
Chrome
- ❌ 4 - 36: Not supported
- ✅ 37 - 130: Supported
- ✅ 131: Supported
- ✅ 132 - 134: Supported
Edge
- ❌ 12 - 14: Not supported
- ✅ 15 - 130: Supported
- ✅ 131: Supported
Safari
- ❌ 3.1 - 7.1: Not supported
- ❌ 8 - 10: Disabled by default
- ✅ 10.1: Supported
- ❌ 11 - 15.3: Not supported
- ✅ 15.4 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2 - TP: Supported
Firefox
- ❌ 2 - 47: Not supported
- ✅ 48 - 132: Supported
- ✅ 133: Supported
- ✅ 134 - 136: Supported
Opera
- ❌ 9 - 23: Not supported
- ✅ 24 - 113: Supported
- ✅ 114: Supported
IE
- ❌ 5.5 - 10: Not supported
- ❌ 11: Not supported
Chrome for Android
- ✅ 131: Supported
Safari on iOS
- ❌ 3.2 - 7.1: Not supported
- ❌ 8 - 10.2: Disabled by default
- ✅ 10.3: Supported
- ❌ 11 - 15.3: Not supported
- ✅ 15.4 - 18.0: Supported
- ✅ 18.1: Supported
- ✅ 18.2: Supported
Samsung Internet
- ✅ 4 - 25: Supported
- ✅ 26: Supported
Opera Mini
- ❌ all: Not supported
Opera Mobile
- ❌ 10 - 12.1: Not supported
- ✅ 80: Supported
UC Browser for Android
- ✅ 15.5: Supported
Android Browser
- ❌ 2.1 - 4.4.4: Not supported
- ✅ 131: Supported
Firefox for Android
- ✅ 132: Supported
QQ Browser
- ✅ 14.9: Supported
Baidu Browser
- ✅ 13.52: Supported
KaiOS Browser
- ✅ 2.5: Supported
- ✅ 3: Supported