Last updated 3 September 2026
How the timing works
The clock starts on your very first click, not the moment the page loads — so there's no rush to react instantly, and no wasted fraction of a second before the test technically begins. From there it's a straightforward count: total clicks divided by the chosen duration gives clicks per second, averaged over the whole window rather than just your fastest burst. A short click sound plays on every tap as extra feedback — the speaker icon next to the duration buttons turns it off if you'd rather click in silence.
Where the ceiling comes from
Ordinary clicking uses one finger flexing and relaxing, and muscle physiology caps that at roughly six to eight repetitions per second for most people. Getting past that means changing the mechanism rather than trying harder, which is what the named techniques do.
Jitter clicking tenses the forearm to produce a fast tremor, transferring that vibration to the finger on the button, and can reach 10 to 14 CPS. Butterfly clicking alternates two fingers on the same button so each only has to move at half the total rate, reaching similar figures. Drag clicking exploits friction across the mouse button surface to register many inputs from one motion, and produces the very high numbers you see quoted, though it depends heavily on the specific mouse.
A caution worth taking seriously
Jitter clicking works by deliberately holding the forearm under tension and vibrating it. That is a repetitive strain injury mechanism, and people who practise it heavily do report wrist and forearm pain. It is not worth developing a lasting injury for a score on a webpage. If anything aches, stop.
It is also worth knowing that your result depends on hardware as much as on you. Mouse switches have a debounce time that ignores inputs arriving too close together, so a mouse with an 8ms debounce caps you around 125 CPS in theory but can also swallow legitimate fast clicks. Many multiplayer games detect and reject these techniques outright, so a high score here does not transfer to an advantage there.
Common questions
When does the timer actually start?
On your very first click, not when the page loads or when you pick a duration — so there's no rush to click the instant you're ready, and no wasted time counting down before you can start.
What's a good CPS score?
Casual clicking is typically 4-6 clicks per second. Experienced players using techniques like jitter-clicking or butterfly-clicking can reach 10-14+ CPS, though those techniques take practice and aren't just raw finger speed.
Why do longer durations usually show a lower CPS?
An initial burst of fast clicking is easier to sustain for 1 second than for 10, since finger fatigue and rhythm consistency matter more over longer windows — CPS is an average over the whole test, not just your fastest moment.
What is a good clicks per second score?
Casual clicking sits around 4 to 6 CPS, which is where ordinary finger movement tops out. Practised techniques such as jitter or butterfly clicking reach 10 to 14 CPS. Anything far above that usually involves drag clicking and depends heavily on the mouse.
Is jitter clicking bad for your hand?
It can be. The technique works by holding the forearm under tension and vibrating it, which is a known repetitive strain mechanism. Wrist and forearm pain is a commonly reported result of practising it heavily. If it hurts, stop.
Does my mouse affect the score?
Significantly. Mouse switches have a debounce delay that ignores inputs arriving too close together, so some mice will swallow genuine fast clicks while others register them. Comparing scores across different hardware does not tell you much.