Reaction Time Test
Test your reflexes! Click as fast as you can when the screen turns green and see...Test your reflexes! Click as fast as you can when the screen turns green and see how you rank. Track your best time and average across multiple attemp...
Updated
Features
Why Use Reaction Time Test?
Precise Timing
Measures reaction time with millisecond precision for accurate results you can trust.
Track Progress
Your best time and recent attempts are saved automatically so you can track improvement.
Ranking System
See how you compare with rankings from Superhuman to Sleepy based on your reaction time.
Mobile Friendly
Works great on touch devices too - test your reflexes anywhere, anytime.
Common Uses
Gaming Practice
Train your reflexes for competitive gaming, especially FPS and racing games.
Fitness Testing
Athletes use reaction time tests to measure and improve their reflexes.
Science Education
Learn about human neuroscience and the speed of nerve signal transmission.
Health Awareness
Monitor cognitive response time as part of general health and wellness checks.
How It Works
Click to Start
Click the blue area to begin. The screen will turn red, indicating you should get ready.
Wait for Green
Be patient! The screen will turn green after a random delay (1-5 seconds). Clicking too early will reset the test.
Click Immediately
When you see green, click as fast as you can! Your reaction time in milliseconds will be displayed along with your ranking.
Tips
Stay Focused
Keep your eyes on the screen and finger ready on the mouse. Focus and anticipation help your reaction time.
Multiple Attempts
Take at least 5 attempts and look at your average for a more accurate measurement of your true reaction time.
Device Matters
Monitor refresh rate and mouse input lag can add 10-30ms to your measured time. Gaming peripherals give more accurate results.