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Reaction Time Test

Measure your reflex speed in milliseconds. Click when the zone turns green across 5 rounds and get your personal rating. Keyboard shortcut: Space or Enter.

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How to Improve Your Reaction Time: Science, Training & Free Test

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Frequently Asked Questions

What is a good reaction time?
This tool measures a browser response, not a clinical or professional assessment. Compare your own results on the same setup.
Can I improve my reaction time?
Repeated use can make you familiar with this task. This tool cannot predict training gains or general reaction ability.

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