Reaction Time Test
Check your reflexes — click as soon as the screen turns green. Speed is measured in milliseconds.
Click "Start" to begin the test
Results
Attempts (ms)
How to use
- Select the number of attempts and press Start.
- The box will be red — wait, then click as soon as it turns green.
- If you click before green, that attempt fails (false start).
- After all attempts, you will see your best and average reaction time.