A reaction time test measures how quickly you can respond to a stimulus, such as a visual or auditory signal. It’s a simple and effective way to evaluate your reflexes and cognitive processing speed. Reaction time test is influenced by several factors, including age, fatigue, distractions, and even practice. These reaction tests are often used in sports training, gaming, and scientific studies to assess focus and readiness. Typically, the test involves clicking a button or performing a specific action as soon as the stimulus appears. This is a free reaction speed test tool for check your reaction speed.