Reaction Time Test — How Fast Are Your Reflexes?
The MIA Games Reaction Time Test is a precise, browser-based tool for measuring how quickly your brain and body respond to a visual stimulus. The concept is simple: wait for the pad to turn green, then click or tap as fast as you can. Your response time is measured in milliseconds — thousandths of a second — giving you an accurate picture of your raw reflex speed.
How to Play
Click the large pad in the centre of the screen to begin. The pad will turn red and display a "Wait..." message. After a randomised delay of between 1.5 and 5 seconds, the pad turns green. Click or tap it as fast as you can the moment you see green. Your reaction time in milliseconds appears immediately, along with your running average and best time. Complete all selected rounds to see your final session summary.
- Choose 3, 5, or 10 rounds using the selector above
- The delay before green is always random — you cannot predict or pre-click
- Clicking before green counts as a false start and the round restarts
- Your all-time best is saved in your browser and persists across sessions
What Is a Good Reaction Time?
- Under 150 ms — Exceptional. Elite athletes and competitive gamers.
- 150–200 ms — Excellent. Well above average for any age group.
- 200–250 ms — Good. Firmly within the average range for healthy adults.
- 250–300 ms — Average. Typical for most people under normal conditions.
- 300–400 ms — Below average. Fatigue or distraction may be factors.
- Over 400 ms — Usually caused by tiredness or an unfamiliar device.
Factors That Affect Reaction Time
- Age: Peaks in the early-to-mid twenties, gradually slows thereafter.
- Sleep: Even mild deprivation measurably slows reaction time.
- Caffeine: One to two cups of coffee can improve times by 10–30 ms.
- Warm-up: The first round is almost always slower — play 5–10 for a true average.
- Practice: Regular reflex training has been scientifically shown to reduce reaction time over time.
Reaction Time in Sports and Gaming
In professional football, a goalkeeper decides whether and how to dive in under 200 milliseconds after the ball leaves the striker's boot. Formula 1 drivers average 200 ms from lights-out to throttle, with the fastest achieving 150 ms. Top esports players in games like Valorant and Counter-Strike consistently achieve 130–180 ms on dedicated gaming peripherals. Regular practice with a reaction time test, combined with adequate sleep and physical exercise, is one of the most effective ways to push your reflexes toward their natural ceiling.