Reaction Time Test
Wait for green, then click as fast as you can. Five tries give your average.
Reaction Time Test
Click / tap to start
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Last
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Average
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Best
About this test
Measures visual reaction time — the clock runs from green to your click. Clicking early is a false start.
What's a good time?
Most people are ~200–300 ms; under 150 ms is exceptional. Device and screen matter — compare with yourself.