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Average: {{test.getAverage() | number:0}}
Tries: {{test.trials.length}} of 5

Click to start

When the red box turns green, click as quickly as you can.

Wait for green


{{test.currentTrial.result}} ms

click to go again, or click SAVE to see how you compare

Too soon!

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Average reaction time: {{test.getAverage()}} ms

click to keep going, or click SAVE to see if you made the top 100


Reaction Time Test

About the test

This is a simple tool to measure your reaction time.

The average (median) reaction time is 215 milliseconds, according to the data collected so far.

If you want, you can keep track of your scores, and see your full history of reaction times.
Just do at least 5 clicks and then click save.

Clicks faster than 100 milliseconds will be saved, but they will not count towards your score on the leaderboard.

Here are some suggestions from the fastest users on how to improve your reaction time.
And here is the general reaction time F.A.Q.

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