PageTransitionEvent

- LS

Fired at the Window when the page's entry in the session history stops being the current entry. Includes the pageshow and pagehide events.

IE

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

Edge

  1. 12 - 94: Supported
  2. 95: Supported

Firefox

  1. 2 - 92: Supported
  2. 93: Supported
  3. 94 - 95: Supported

Chrome

  1. 4 - 94: Supported
  2. 95: Supported
  3. 96 - 98: Supported

Safari

  1. 3.1 - 4: Not supported
  2. 5 - 14.1: Supported
  3. 15: Supported
  4. TP: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 79: Supported
  3. 80: Supported

Safari on iOS

  1. 3.2 - 4.3: Support unknown
  2. 5 - 14.8: Supported
  3. 15: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 2.2: Support unknown
  2. 2.3 - 4.4.4: Supported
  3. 94: Supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 64: Supported

Chrome for Android

  1. 94: Supported

Firefox for Android

  1. 92: Supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 14.0: Supported
  2. 15.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported

Whether or not a document was/will be cached by a back-forward cache is indicated by event.persisted property where developers can opt to reload the page if needed.

Resources:
MDN Web Docs - pageshow
Back-forward cache on Android
Back/forward cache: web-exposed behaviour
web.dev - Back/forward cache
HTML onpageshow Event Attribute