Play Reaction Test
How fast are your reflexes, really? Free, instant, and no sign-up.
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How to play Reaction Test
- 1Click Start, then wait — the box turns red while it waits.
- 2The moment the box turns green, click or tap as fast as you can.
- 3Click too early and the attempt resets, so hold your nerve.
- 4After five attempts you get your average reaction time in milliseconds.
Reaction Test FAQs
What is a good reaction time?
The average adult reaction time to a visual cue is roughly 250 milliseconds. Under 200ms is quick, and under 150ms is exceptional.
Why does my reaction time vary?
Tiredness, screen refresh rate, input device and how long you've been waiting all shift the result, which is why the test averages five attempts.
Does the device affect my score?
Yes. A high refresh-rate monitor with a wired mouse typically measures 20–40ms faster than a phone touchscreen.
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