ReactionTimeTest is an interactive website that allows users to test and improve their reaction speed in a fun and simple way. When users visit the site, they are prompted to respond as quickly as possible to a visual cue, such as a screen color change. The time it takes for the user to react is measured in milliseconds and displayed immediately after each attempt. The website is user-friendly, with a clean design that makes it easy to use on both desktop and mobile devices. Whether for personal curiosity, training, or just entertainment, ReactionTimeTest offers a quick and effective way to assess and enhance reflexes.