Reaction Time Test

A classic reaction test: wait for the green screen and click immediately. The last 10 results are recorded with your best and average times.

Frequently Asked Questions

What is a good reaction time?+
The average human reaction time is around 250ms. Top athletes can go under 200ms.
Why wait for green?+
The random delay prevents you from anticipating the signal, giving a true reaction measurement.

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Reaction Time Test — free online reaction time test, reflex test, reaction speed, human benchmark, click speed test, reflex check. No signup required. Works in your browser.