Reaction Time Test

How fast are your reflexes? Click when the screen turns green.

Click to Start

5 rounds. Click when the screen turns green.

How It Works

This test measures your visual reaction time: how quickly you can respond to a visual stimulus. When the red box turns green, click or tap as fast as you can. The test runs 5 rounds and calculates your average reaction time in milliseconds.

What Is a Good Reaction Time?

RatingTime (ms)Description
Incredible< 150msTop 1%, competitive gamer reflexes
Fast150-199msWell above average
Average200-249msTypical human reaction time
Below Average250-299msRoom for improvement
Slow300ms+Try warming up with a few rounds

Improve Your Reaction Time

Want to train your reflexes? Our impossible games are designed to push your reaction time to the limit. Try Impossible Dodger for reflex training or Impossible Pulse for timing precision. Read our guide on 5 tips to improve reaction time.