Prepare your screen
Keep the test in the active tab and avoid heavy background tasks. Browser scheduling and system load can affect the estimate.
Estimate the frame cadence reported by your browser. This test cannot directly read your monitor’s hardware refresh rate.
How to use this testMeasure browser-reported frame intervals in a short active-tab test.
Browser frame cadence is an estimate, not a direct hardware measurement. Results can vary with display latency, browser limits, system load, and background activity. Run the test in an active tab with minimal background load.
Keep the test in the active tab and avoid heavy background tasks. Browser scheduling and system load can affect the estimate.
Choose Start Test. The browser samples animation frame intervals for a few seconds without changing your display settings.
The result estimates browser-reported frames per second and includes timing stability. It cannot read your monitor's hardware refresh rate directly.