Reaction Time Test
Click the box below, wait for it to turn green, then click as fast as you can.
Last: - msBest: - msAvg (5): - ms
Click to start
How to test your reaction time
Wait for the signal to appear, then click or tap as fast as you can — the test measures your reaction time in milliseconds. Run it a few times in a row to see how consistent your reflexes are, and compare against typical human reaction time benchmarks. No signup needed — just click start and go.