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.

Chrome

  1. 4 - 38: Not supported
  2. 39 - 110: Supported
  3. 111: Supported
  4. 112 - 114: Supported

Edge

  1. 12 - 16: Not supported
  2. 17 - 18: Not supported
  3. 79 - 110: Supported
  4. 111: Supported

Safari

  1. 3.1 - 16.3: Not supported
  2. 16.4: Not supported
  3. 16.5 - TP: Not supported

Firefox

  1. 2 - 75: Not supported
  2. 76 - 85: Disabled by default
  3. 86 - 110: Not supported
  4. 111: Not supported
  5. 112 - 113: Not supported

Opera

  1. 9 - 94: Not supported
  2. 95: Not supported

IE

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

Chrome for Android

  1. 111: Supported

Safari on iOS

  1. 3.2 - 11.2: Not supported
  2. 11.3 - 16.3: Partial support
  3. 16.4: Partial support
  4. 16.5: Partial support

Samsung Internet

  1. 4 - 19.0: Supported
  2. 20: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

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

UC Browser for Android

  1. 13.4: Supported

Android Browser

  1. 2.1 - 4.4.4: Not supported
  2. 111: Supported

Firefox for Android

  1. 110: 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 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?