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.
  • Your time taken will be displayed in a pop up box.
  • 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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