{
 "notes": "Whether or not a document was/will be cached by a back-forward cache is indicated by [`event.persisted` property](https://developer.mozilla.org/en-US/docs/Web/API/PageTransitionEvent/persisted) where developers can [opt to reload the page](https://web.dev/bfcache/) if needed.",
 "support": {
  "Android Browser": "y 2.3",
  "Baidu Browser": "y 13.52",
  "Blackberry Browser": "y 7",
  "Chrome": "y 4",
  "Chrome for Android": "y 142",
  "Edge": "y 12",
  "Firefox": "y 2",
  "Firefox for Android": "y 144",
  "IE": "y 11",
  "IE Mobile": "y 11",
  "KaiOS Browser": "y 2.5",
  "Opera": "y 15",
  "Opera Mini": "n all",
  "Opera Mobile": "y 80",
  "QQ Browser": "y 14.9",
  "Safari": "y 5",
  "Safari on iOS": "y 5.0",
  "Samsung Internet": "y 4",
  "UC Browser for Android": "y 15.5"
 },
 "url": "https://html.spec.whatwg.org/multipage/indices.html#event-pageshow"
}