Can I use
?

headers HTTP header: Cache-Control: immutable

IE

  1. ❌ 6 - 10: Not supported
  2. ❌ 11: Not supported

Edge

  1. ❌ 12 - 14: Not supported
  2. ✅ 15 - 18: Supported
  3. ❌ 79 - 145: Not supported
  4. ❌ 146: Not supported

Firefox

  1. ❌ 2 - 48: Not supported
  2. ✅ 49 - 148: Supported
  3. ✅ 149: Supported
  4. ✅ 150 - 152: Supported

Chrome

  1. ❌ 4 - 146: Not supported
  2. ❌ 147: Not supported
  3. ❌ 148 - 150: Not supported

Safari

  1. ❌ 3.1 - 10.1: Not supported
  2. ✅ 11 - 26.3: Supported
  3. ✅ 26.4: Supported
  4. ✅ 26.5 - TP: Supported

Opera

  1. ❌ 10 - 126: Not supported
  2. ❌ 127: Not supported

Safari on iOS

  1. ❌ 3.2 - 10.3: Not supported
  2. ✅ 11 - 26.3: Supported
  3. ✅ 26.4: Supported
  4. ✅ 26.5: Supported

Opera Mini

  1. ﹖ all: Support unknown

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ❌ 147: Not supported

Opera Mobile

  1. ❌ 12 - 12.1: Not supported
  2. ❌ 80: Not supported

Chrome for Android

  1. ❌ 147: Not supported

Firefox for Android

  1. ❌ 149: Not supported

UC Browser for Android

  1. ❌ 15.5: Not supported

Samsung Internet

  1. ❌ 4 - 28: Not supported
  2. ❌ 29: Not supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ﹖ 13.52: Support unknown

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported