Click anywhere to start. This is a simple tool to measure your reaction time. The average (median) reaction time is 273 milliseconds, according to the data collected so far. In addition to measuring …

Improve your reaction time with our reaction time test. Measure your response speed and compare it with others. Take the test now on our website.

Online reaction time test. Click as soon as the field turns green. Average and best time, attempts, CSV export, and built‑in self‑tests.

Discover your speed, enjoy reflex speed challenges, and compare your results to the average human reaction time. Perfect for fun and skill improvement—try now for free!

Have you ever wondered how quick your brain can respond to new visual information? The average human reaction time is around 250ms and the world record is 120ms. Take the test to find out your …

Play Reaction Time Test. Test your reaction time.

Free online reaction speed test. Measure reaction time in milliseconds, improve your reflexes. Accurate statistics, detailed results, perfect for gamers, athletes. Train your reaction time on any device - …

Take this simple test, and we’ll gauge your age based on your reaction time.

Challenge your reaction speed with our free, scientifically-designed tests. Measure millisecond response times, track improvements, and enhance your cognitive performance.

Test your reaction time with our free reaction speed tester. Measure how fast you react to visual stimuli and improve your reflexes for gaming.