Test your reflexes - click when the screen turns green
Test and improve your reaction speed with this visual reflex measurement tool. When the screen changes from red to green, click as fast as you can. Your reaction time is measured in milliseconds, with results categorized from Excellent (under 200ms) to Keep Practicing (over 350ms). This test is used by gamers, athletes, and researchers worldwide. To apply your reflexes to target practice, try our aim trainer for a more comprehensive mouse skill workout.
The test tracks your best time, average reaction speed, and total attempts. Each result is recorded in your history, with your personal best highlighted. The random delay between 2-5 seconds prevents anticipation and ensures accurate measurement of true reaction time rather than prediction. You can also test your reactions under cognitive load with our chimp test.
Reaction time is a crucial cognitive metric that affects performance in sports, gaming, driving, and many daily activities. For mouse precision training, check out our mouse accuracy game. Regular testing can help monitor neurological health, track improvements from training, and establish personal baselines. Factors like sleep, caffeine, and focus all influence reaction speed, making this test valuable for self-awareness.