How to Test a Mouse Online
Our mouse tester listens for the standard mouse events the browser exposes: mousedown, mouseup, mousemove, wheel, dblclick: and reflects them on a visual mouse diagram. Any button or scroll the OS recognizes will register here.
Testing a mouse is most useful after buying a new one, when troubleshooting a stuck or double-clicking switch, or when verifying that vendor drivers are correctly exposing side buttons. The whole test takes under a minute.
To run a full check: left-click, right-click, middle-click (press the scroll wheel), scroll up and down, then press your side buttons (back/forward) if your mouse has them. Each press lights up its corresponding spot on the diagram, and a click counter tracks how many times each button has been pressed.
The tester also shows your live cursor coordinates and detects double-click events separately from single clicks. Coordinates are useful for diagnosing cursor stutter: if the displayed X/Y jumps erratically when you move smoothly, the mouse sensor or the surface is the cause.
Why Is My Mouse Double-Clicking on a Single Press?
Phantom double-clicks are the classic symptom of a worn-out mouse switch. The metal contacts inside the switch bounce when pressed, generating two electrical signals that the OS interprets as two distinct clicks within the double-click threshold.
Mechanical mouse switches (Omron, Kailh, Huano) are rated for 10–50 million clicks depending on grade. Heavy gaming, dragging windows, and click-heavy work (CAD, design) can wear out the contacts in 1–3 years. Some gaming-focused mice use optical switches that have no mechanical contacts and don't suffer from this failure mode.
The fix for a worn switch is replacement. Skilled users can desolder the bad switch and install a replacement (Kailh GM 8.0 is a popular drop-in for Logitech mice). For most users, replacing the entire mouse is faster and avoids warranty concerns.
A temporary software workaround: increase the OS double-click time. Windows: Mouse Properties → Buttons → Double-click speed (drag slider toward slow). macOS: System Settings → Mouse → Double-Click Speed. This won't fix the bouncing but may reduce accidental double-clicks.
Measuring Clicks Per Second (CPS)
CPS measures how fast you can click a single button. Our dedicated click target counts only clicks inside its bounds during a 5-second window, then reports the average rate.
Average users clock around 4–6 CPS at full effort. Trained gamers reach 8–12 CPS using normal pressing technique. Higher numbers (12–20+ CPS) require special techniques like 'jitter clicking' (using arm tension to vibrate the finger) or 'butterfly clicking' (alternating two fingers on one button). These techniques are mechanically stressful and not recommended for daily use.
Click-bots and macros are easy to spot in CPS tests because their click intervals are perfectly uniform. Real human clicks vary slightly in timing. Some Minecraft servers ban players exceeding ~14 CPS for this reason.
For competitive games like Minecraft PvP, Roblox, and rhythm games, 8–10 CPS is generally enough to keep up. Higher CPS rarely translates to better outcomes unless you're competing at the very top tier.
Mouse Polling Rate and DPI Explained
Polling rate is how often (in Hz) the mouse reports position to the computer. Office mice typically poll at 125 Hz. Gaming mice offer 500 Hz, 1000 Hz, and recently 4000–8000 Hz options. Higher polling means smoother cursor motion and lower input latency, which matters for competitive gaming.
DPI (dots per inch) is how far the cursor moves on screen per inch of mouse movement. Higher DPI = faster cursor for a given hand motion. 800–1600 DPI is the comfortable range for most users; gamers often run lower DPI (400–800) with high in-game sensitivity for fine aim control.
Neither polling rate nor DPI are visible directly in our tester, but high polling rate makes cursor coordinate updates appear smoother in the live X/Y display. If your cursor stutters at low DPI, the sensor or surface is the cause: try a mouse pad.
Windows includes a 'Enhance Pointer Precision' option that adds acceleration on top of DPI. Most gamers disable it because it makes muscle memory inconsistent. For office work it's harmless.
Why Aren't My Side Buttons Detected?
Mouse side buttons (typically back and forward) require either OS-native support or vendor driver software to expose them to the browser. Logitech mice often need Logitech Options or G HUB; Razer mice need Synapse; Corsair needs iCUE.
On Windows, side buttons work out of the box for most major brands because Windows includes a built-in HID-compliant mouse driver. macOS requires vendor software for non-Apple mice to expose extra buttons. Linux varies by distro: most expose buttons by default but require xinput configuration to remap them.
On our tester, the back button registers as button index 3 and forward as button index 4. If pressing them shows nothing, vendor software is likely missing. Install the official driver, restart your browser, and retest.
For mice that aren't recognized at all (e.g., gaming mice that need vendor software to function): connect via the basic 2-button mode if available, then install drivers. Most have a fallback that works without drivers but exposes only left, right, and scroll.