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Time the screens in your app

Quick Scan measures a full page load. Screen changes measures the moves between screens in a single-page app.

Observe + Reporting2 min✓ Tested in EPIC 1.1
  1. 1

    Start measuring

    Open your app, go to Test → Screen changes and click Start measuring. Use the app as normal.

  2. 2

    Stop and read

    Click Stop and show results. EPIC times each in-app screen change and flags clicks that take over 200 ms to respond, long freezes and memory that keeps growing.

Good to know
  • A full page reload ends the measurement. The measurement stays on your device.
← Check a release before and afterUse History, the Change Log and Visual Timeline →

Related guides

Observe + Reporting3 minCheck every screen of your web appApp Crawl walks through a web app you're signed in to, one screen at a time, and ranks the problems it finds.Observe + Reporting2 minCheck performance and headersBrowser-measured timings, the heaviest resources, response headers and cookies, all from the same capture.