What it measures A reaction time test measures the delay between seeing a signal and responding. This free tool lets you measure your reaction time directly in the browser.
Why speed matters Reaction speed matters in sports, driving, gaming, and everyday safety. A quick reaction speed test gives a clean snapshot of visual reflex speed.
How to improve Improve reaction speed with better sleep, regular movement, steady meals, hydration, and focused reflex training. Short, consistent sessions work best.
Average score Global average reaction speed is often around 250-300 ms, with 273 ms used here as a practical comparison point after each reaction time test.