Play Reaction Time Online — Free ⚡

How fast are your reflexes? The Reaction Time test measures the gap between the screen turning green and your click, in milliseconds. Five rounds are averaged for your official score. Under 250 ms is genuinely quick — clicking early restarts the round.

How to play Reaction Time

Tap to arm a round — the panel turns red
Wait… the delay is random (1–4 seconds)
The instant it turns green, click!
Your average over 5 rounds is your score (lower = better)

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