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Reaction Time Test — Free Online Reflex Speed Test

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Test your reaction time online for free. Wait for the screen to turn green, then click as fast as you can — your result is shown in milliseconds. Track your best, average, and recent attempts to see whether your reflexes improve. Ideal for gamers, esports warm-ups, and anyone curious about human response speed. No signup required.

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Veelgestelde Vragen

What is a reaction time test?

A reaction time test measures how quickly you respond to a visual stimulus, usually reported in milliseconds from when the signal appears to when you click.

What is a good reaction time?

Average human visual reaction time is around 250 ms. Under 200 ms is fast, and under 150 ms is excellent.

Why did I click too early?

Clicking before the screen turns green means you anticipated the signal. Wait for green — patience gives you an accurate score.

Does monitor refresh rate affect reaction time?

Yes. A higher refresh-rate display can reduce visual delay, which may improve measured reaction times slightly compared to a 60 Hz screen.

Can I improve my reaction time with practice?

Somewhat. Reaction time has a genetic baseline, but focus, sleep, and repeated drills can help you stay consistent and avoid false starts.