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 - 116: Supported
  3. 117: Supported
  4. 118 - 120: Supported

Edge

  1. 12 - 18: Not supported
  2. 79 - 116: Supported
  3. 117: Supported

Safari

  1. 3.1 - 16.5: Not supported
  2. 16.6: Not supported
  3. 17.0 - TP: Not supported

Firefox

  1. 2 - 116: Not supported
  2. 117: Not supported
  3. 118 - 120: Support unknown

Opera

  1. 9 - 41: Not supported
  2. 42 - 101: Supported
  3. 102: Supported

IE

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

Chrome for Android

  1. 117: Supported

Safari on iOS

  1. 3.2 - 16.6: Not supported
  2. 17.0: Not supported
  3. 17.1: Not supported

Samsung Internet

  1. 4: Not supported
  2. 5 - 21: Supported
  3. 22: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 73: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 117: Supported

Firefox for Android

  1. 117: Not supported

QQ Browser

  1. 13.1: Supported

Baidu Browser

  1. 13.18: 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