Reaction Time The instructions are simple; Click to Start When the box turns green, click it as quickly as you can. You have five attempts.
Based off Reaction time at Humanbenchmark.com. This was for a school project and is not 100% completed. Note. It is not 100% accurate as there is some lag. Also the at the end it takes you to the leaderboard, the leaderboard is not working properly so don't worry.