13 FREE BENCHMARK TESTS
Free Reaction Time Tests — Measure Your Speed in Milliseconds
Thirteen browser tests that time exactly how fast you respond to what you see, hear, and anticipate. No sign-up, no download — just react.
◦ Frame-accurate timing◦ Data stays on your device◦ Works on any device
LIVE DEMO
CLASSIC
Tap to start
Wait for green, then click as fast as you can
13
Precision tests
~250ms
Average human reaction
5
Rounds per score
$0
Free, no sign-up
01 / THE TESTS
Thirteen ways to test yourself
From a simple click to an F1 start and a braking hazard. Each one takes under a minute.
Pure Reaction
~30 sec
Classic Reaction Time Test
Wait for the panel to turn green, then click as fast as you can. Five rounds, your score is the median.
Measures · Visual RTStart
~30 sec
Spacebar Reaction Time Test
Same test, react with the spacebar — your keyboard hand vs. your mouse hand.
Measures · Visual RTStart
~30 sec
Audio Reaction Time Test
React the instant you hear the beep. Most people set their best score here.
Measures · Auditory RTStart
Motorsport & Driving
~45 sec
F1 Reaction Time Test
Five red lights, then lights out. Launch like a Formula 1 driver.
Measures · Launch RTStart
~40 sec
Drag Racing Reaction Time Test
Time the Christmas tree. Leave too early and you foul out.
Measures · AnticipationStart
~50 sec
Driving Reaction Time Test
Brake when a hazard appears — then see your real stopping distance.
Measures · Stopping dist.Start
Cognitive
Sport & Skill
~40 sec
Ruler Drop Test
The physics-class classic, on screen. The ruler falls under real gravity and catch it.
Measures · cm → msStart
~40 sec
Aim Reaction Test
Targets pop up one at a time. Click each one as fast as you can.
Measures · React + flickStart
~35 sec
Baseball Reaction Time Test
A 95 mph pitch gives you 0.4 seconds. Swing inside the window.
Measures · Timing windowStart
02 / WHY REACTIONBENCH
Not a toy. A benchmark you can trust.
Most reaction sites hand you a random number and a fake leaderboard. We built the opposite — four reasons people keep coming back.
01
Real, honest timing
Signals get timed to the exact painted frame, and rather than faking lab-grade scores we own up to the ~20–50 ms your hardware adds.
02
Thirteen tests, one place
Visual, audio, choice, motorsport, sport and endurance — every kind of reaction measured without hopping between sites.
03
Track your progress
Median, best and consistency are saved on your device, letting a real trend build across days instead of leaving you to chase one lucky click.
04
Free & private
No account, no download, no upload. Nothing leaves your browser, so you start reacting in seconds and keep your data to yourself.
03 / HOW IT WORKS
Pick a test, react over five rounds, get your numbers.
STEP 1
Pick a test
Thirteen to choose from — a simple click, a beep, an F1 start, a braking hazard, a falling ruler, and more.
STEP 2
React over five rounds
Respond as fast as you can. Your device’s high-precision clock lets us time the signal to the exact frame it appears.
STEP 3
Get your numbers
Your median, your best, how consistent you held it, and where you rank against published research averages.
Why five rounds? A single attempt is mostly luck. We take the median of five, so one lucky — or unlucky — click never decides your score.
04 / ACCURACY
We measure honestly — and we show our work.
Most reaction-time sites never tell you how they time you. We do, because a benchmark is only as good as its method.
TIMING
Timed to the painted frame
The signal is stamped the moment your screen actually shows it, and your response is caught the instant your finger or mouse acts — not a frame later.
HONESTY
The part no one admits
Perfection is beyond any web test. Roughly 20–50 ms of delay comes from your monitor and mouse, invisible to us. We say so, rather than pretending our numbers are lab-grade.
PRIVACY
Your scores stay yours
Results live on your own device. No account, no upload, nothing to sign. Our methodology page shows exactly how it works.
05 / WHAT'S A GOOD SCORE?
Where your click lands
Legend
under 150 ms
Faster than 98% of people
Elite
150 – 199 ms
Faster than 87% of people
Fast
200 – 249 ms
Faster than 60% of people
Average
250 – 299 ms
Right in the middle
Relaxed
300 – 349 ms
Slower than 67% of people
Take a nap
350 ms +
Slower than 84% of people
06 / WHY IT MATTERS
A faster reaction is a safer, sharper you.
Reaction time isn’t just a number — it’s the gap between a signal and your response, and it quietly shapes moments that actually matter.
~7m
Behind the wheel
A typical 250 ms reaction at 100 km/h carries you almost 7 metres before your foot even reaches the brake. Shave the reaction and the stopping distance shrinks with it.
400ms
In sport
A 95 mph fastball, a serve, a starting gun — elite sport happens inside windows far too short to think through. React, or miss.
150ms
In gaming
Benchmarks commonly put elite FPS players around 150–180 ms. Between a flick that lands and one that trades, a trained and consistent reaction is often the whole edge.
2–4ms
For your health
After peaking in your mid-twenties, reaction time drifts about 2–4 ms a year, and sleep, focus and fatigue swing it further than the calendar does. Tracking it gives you an honest read on how alert you really are.
07 / QUESTIONS
Reaction time, explained simply
What is the average human reaction time?
On a simple visual test — see a light, then click — most people land between 200 and 300 milliseconds, with the average near 250 ms. Sound draws a slightly quicker response (about 170 ms) than sight does.
Is a reaction time under 200 ms good?
Yes — clicking under 200 ms consistently puts you ahead of most people. Under about 100 ms almost always means you guessed ahead of the signal, since real reactions can’t reach that speed.
Why is my reaction time slower on my phone?
A little delay comes from touchscreens and mobile displays, so phone scores typically read 20–50 ms slower than a mouse on a desktop. Keeping desktop and mobile results separate is how we keep the comparison fair.
Can you actually improve your reaction time?
Sleep, practice, and staying alert will sharpen it, and most people speed up over their first few tries. A natural floor exists, though — human biology can’t be trained past.
What is the fastest reaction time ever?
Genuine reactions bottom out near 100–120 ms. Sprinters who “react” to the gun in under 100 ms are ruled to have jumped the start, because nobody truly reacts that fast.