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Remove obsolete pagehide fallback advice
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@@ -100,11 +100,6 @@ thus hurting performance. Others, such as Safari and Chrome on Android, handle i
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Firefox will also exclude pages from the bfcache if they contain `beforeunload` handlers.
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#### Use pagehide as a fallback
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To support browsers which don't implement `visibilitychange`, use the [`pagehide`](/en-US/docs/Web/API/Window/pagehide_event) event.
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Like `beforeunload` and `unload`, this event is not reliably fired, especially on mobile. However, it is compatible with the bfcache.
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## Examples
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The following example specifies a handler for the {{domxref("document.visibilitychange_event", "visibilitychange")}} event. The handler calls `sendBeacon()` to send analytics.

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