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⚡Click to startWhen the box turns green, click as fast as you can
The ClickBattle reaction time test measures how fast you respond to what you see. Click to start, wait for the red box to flash green — then click the instant it does. The gap between the flip and your click is your reaction time in milliseconds. You get five attempts, and we average them so one lucky click can't flatter your score.
It's a simple, honest measure of visual reflex. After you start, the box sits red for a random delay — somewhere between about 1.5 and 4 seconds — so you can never predict the exact moment it flips. When it turns green, your job is to click as quickly as you can. We time the milliseconds between the green flip and your click using your browser's high-resolution clock.
Click before the box turns green and you'll see Too soon! — that attempt simply restarts, so guessing never pays off. The randomized delay plus the false-start catch are what keep the number real: you have to actually react, not time a rhythm.
Reaction time is its own thing — measured in milliseconds, where lower is faster, and it has nothing to do with your clicks per second. Most people land somewhere in the typical human range, and these loose bands give a friendly sense of where a result sits:
Treat these as a rough guide, not a verdict. Tiredness, the device you're on, and even screen and mouse lag all nudge the number, so compare yourself against your own best more than against anyone else.
Short, focused sessions beat marathon grinds. Warm your hand up first, keep your finger resting lightly on the mouse, and watch the box rather than staring through it — a relaxed, ready hand reacts faster than a tense one. Run the test a few times in a row and you'll usually see your average drift down as you settle in.
Raw reflex is only half of fast clicking. To train the speed and accuracy that win Minecraft fights, pair this with our CPS click speed test and the aim trainer. They measure different skills, and together they cover what actually makes you quicker.
For a visual cue like this one, most people fall somewhere around 200–250 ms. Faster is possible with practice and a low-lag setup, but anywhere in that band is perfectly normal and nothing to worry about.
Because you clicked while the box was still red, before the green flip. The delay is randomized on purpose so it can't be timed — when that happens the attempt just restarts, with no score recorded. Wait for green and you're good.
No — there's nothing to cheat. The test measures the gap between a green flash you can't predict and your click, so the only way to a lower number is to genuinely react faster. Jumping the gun just triggers a false start.
Yes. The box fills your screen and responds to a tap just like a click, so the test is fully playable on a phone. Bear in mind touchscreens add a little latency, so your numbers may read slightly higher than on a mouse.
Your recent sessions are stored locally in your own browser, separate from your CPS and aim scores. Nothing is uploaded — clear your browser data and they're gone.