Can I use
?

Background Sync API

- UNOFF

Provides one-off and periodic synchronization for Service Workers with an onsync event.

Chrome

  1. ❌ 4 - 48: Not supported
  2. ✅ 49 - 153: Supported
  3. ✅ 154: Supported
  4. ✅ 155 - 157: Supported

Edge

  1. ❌ 12 - 18: Not supported
  2. ✅ 79 - 151: Supported
  3. ✅ 152: Supported

Safari

  1. ❌ 3.1 - 26.6: Not supported
  2. ❌ 27: Not supported
  3. ❌ 27.1 - TP: Not supported

Firefox

  1. ❌ 2 - 155: Not supported
  2. ❌ 156: Not supported
  3. ﹖ 157 - 159: Support unknown

Opera

  1. ❌ 9 - 41: Not supported
  2. ✅ 42 - 134: Supported
  3. ✅ 135: Supported

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ✅ 152: Supported

Safari on iOS

  1. ❌ 3.2 - 26.6: Not supported
  2. ❌ 27.0: Not supported
  3. ❌ 27.1 - 27.2: Not supported

Samsung Internet

  1. ❌ 4: Not supported
  2. ✅ 5 - 29: Supported
  3. ✅ 30: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ✅ 152: Supported

Firefox for Android

  1. ❌ 156: Not supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported
Resources:
Firefox support bug
SyncManager on MDN Web Docs
Google Developers blog: Introducing Background Sync