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Reaction Test
How fast are your neural pathways?
Click immediately when the screen turns green!
Challenge your reflex speed now.
How fast are your neural pathways?
Click immediately when the screen turns green!
Challenge your reflex speed now.
Wait for the green screen.
Latest Score: - ms
Analyzing your data...
The average human reaction time to a visual stimulus is approximately 250 milliseconds (0.25 seconds). This duration represents the time it takes for light to enter the eyes, be processed by the brain's visual cortex, and then trigger a motor command to the muscles. High-performance individuals, such as professional gamers, F1 racers, and sprinters, can often achieve reaction times below 180ms.
Factors such as age, fatigue, and even screen latency (input lag) can affect your performance on this test. SimSim Lab's Reaction Time Test provides a precise environment to measure your millisecond-level speed. To get an accurate reading of your natural reflex, we recommend taking the test at least five times and calculating your average. Are your reflexes sharp enough to be in the top 1%? Test your speed now and see how you compare to the world!