⚡ Reaction Time Test
Wait for the box to turn green, then click as fast as you can. How quick are your reflexes?
Click to start
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Last (ms)
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Best (ms)
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How it works
Click the box to begin, it will turn red while you wait. After a random delay it flashes green, click as fast as you can the moment it does. Click too early and you'll need to try again. Your best time is saved right here in your browser.
What's a good reaction time?
Most people land somewhere between 200 and 300 milliseconds, if you're consistently under 200ms, that's excellent reflexes.