This guide explains how to detect when a user leaves a web page using modern APIs like Page Visibility, beforeunload/unload, sendBeacon, and pagehide, compares their advantages and drawbacks, provides code snippets, and offers practical recommendations for reliable data reporting and UI handling.
This article explains various browser scenarios that indicate a user has left a page, compares the Page Visibility API, beforeunload/unload events, navigator.sendBeacon, and pagehide/pageshow handling, and provides practical code examples and recommendations for reliable detection and data reporting.
Understanding when users leave or hide a page is crucial for UX, analytics, and performance; this guide explains the Page Visibility API, beforeunload/unload events, the sendBeacon method, and pagehide/pageshow handling, offering code examples and best‑practice recommendations for reliable detection and data reporting.
Understanding how to determine whether a user has left or hidden a web page—covering the Page Visibility API, beforeunload/unload events, navigator.sendBeacon, and pagehide/pageshow—enables developers to improve UX, pause resources, and reliably report analytics without sacrificing performance.
