Reaction speed test

Reaction speed test Average reaction time Human reaction time online free(After clicking the "Start" button, pay attention to the color changes in the squares. Once it changes from white to other colors, click the "Stop" button to test your reaction time.)

The online reaction speed tester is mainly used to test the brain's reaction speed. After clicking "Start Test", when the box color changes from white to other colors, click the "Stop Test" button to test the reaction time.

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