Add to home screen (A2HS)

- WD

The ability for a user to "install" a website and use it as if it was a natively installed app. To enable this behaviour, a website must serve a valid Web App Manifest and load it's assets through a Service Worker.

IE

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

Edge

  1. 12 - 16: Not supported
  2. 17 - 18: Not supported
  3. 79 - 85: Supported
  4. 86: Supported

Firefox

  1. 2 - 75: Not supported
  2. 76 - 80: Disabled by default
  3. 81: Disabled by default
  4. 82 - 83: Disabled by default

Chrome

  1. 4 - 38: Not supported
  2. 39 - 85: Supported
  3. 86: Supported
  4. 87 - 89: Supported

Safari

  1. 3.1 - 13.1: Not supported
  2. 14: Not supported
  3. TP: Not supported

Opera

  1. 9 - 70: Not supported
  2. 71: Not supported

iOS Safari

  1. 3.2 - 11.2: Not supported
  2. 11.3 - 13.7: Partial support
  3. 14: Partial support

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 81: Supported

Blackberry Browser

  1. 7: Not supported
  2. 10: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 59: Supported

Chrome for Android

  1. 85: Supported

Firefox for Android

  1. 79: Supported

IE Mobile

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

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 11.2: Supported
  2. 12.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Not supported
Resources:
Firefox implementation bug for desktop
MDN Web Docs - Web App Manifest
MDN Web Docs - Add to Home screen
PWACompat (polyfill) - A library that brings the Web App Manifest to non-compliant browsers
Web.dev - What does it take to be installable?