Test Your Reaction Time


  • This test measures the time taken for you to press the stop button after the background color changes.
  • You can select the color of the background will change to.
  • Click the start button, and the background will change within 20 seconds.
  • Click the stop button as quickly as possible after the background color changes (release the mouse button quickly, as time stops when you release the button, not when you press down)
  • Your time taken will be displayed.
  • Try it a few times (beware, it can get addictive!) and then enter your results, and see how you compared to others who have tried this previously.
  • Now you are ready to try the Reaction Test Timer

Do the Test

Reaction Test Timer - here is the reaction test


Once you have had a few attempts at the test, remember your best score and Enter your Results Here

Can I use this test for my project?

If you are a student, teacher or research scientist and want to make use of this reaction timer test for a project or study, please read this information.

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