ReactionSpeedTest

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Click when the screen turns green

Reaction Speed Test

How to Test Your Reaction Time

Our reaction speed test measures how quickly you can respond to a visual stimulus. Click start, wait for the screen to turn green, then click as fast as possible. The tool measures the time in milliseconds between the color change and your click, giving you an accurate measure of your reaction time. The test keeps track of your last 5 attempts so you can see your improvement.

Reaction time is an important metric for athletes, gamers, drivers, and anyone whose performance depends on quick responses. Average human reaction time is around 200-300 milliseconds, but with practice, many people can improve. Factors like age, fatigue, distractions, and practice all affect reaction speed. This test helps you benchmark your reflexes and track improvements over time.

The test is simple but effective: it measures the delay between a visual cue and your physical response. Gamers use it to improve their competitive edge, athletes use it for training, and researchers use it to study human response times. Try multiple attempts to get your best score, and remember that clicking too early (before the green appears) will require you to restart the test.