Click Interval Reference
Two clicks registered from one physical press is the classic symptom of a worn mechanical switch (the dreaded "double-click issue"). Use this reference to read your results:
| Interval between clicks |
Verdict |
What it means |
| > 80 ms |
Normal |
Typical human clicking, including fast gaming bursts (8–12 CPS). |
| 50 – 80 ms |
Gray zone |
Possible with jitter or butterfly clicking. Repeat the test with slow, deliberate single clicks. |
| < 50 ms |
Suspect fault |
Almost impossible to produce intentionally with one finger press. Strong sign of switch contact bounce. |
Button Not Registering? Rule These Out First
A failed test doesn't always mean a broken mouse. Before replacing anything, work through this checklist:
ATry another browser
Older browsers can't capture side-button events. Re-run the test in an up-to-date Chrome, Edge or Firefox.
BSwap the USB port / re-pair
Move wired mice to a different USB port. For wireless, re-seat the dongle or re-pair Bluetooth, and check the battery.
CTest on another computer
If the same button fails on a second machine, the fault is in the mouse hardware — most often the switch or the cable.
Frequently Asked Questions
What does this mouse tester check?
It verifies all five standard buttons (left, right, middle, side back, side forward), scroll wheel up/down steps, the time interval between clicks, and an approximation of your mouse's polling rate. It also runs continuous anomaly detection for double-click switch failure.
How do I know if my mouse has the double-click issue?
Press a button once, slowly and firmly. If the counter jumps by 2, or the tester shows a red "suspected switch fault" warning with an interval under 50 ms, the switch contacts are bouncing. This gets worse over time and cannot be fixed in software.
Can a double-clicking mouse be repaired?
Technically yes — by soldering in a new switch — but for most users replacement is more practical. If you're replacing, consider a mouse with optical switches: they actuate with a light beam instead of metal contacts, so the wear mechanism that causes double-clicking doesn't exist.
Does the tool work with wireless and Bluetooth mice?
Yes. Any mouse your operating system recognizes — wired, 2.4 GHz wireless or Bluetooth — can be tested. Note that a low battery on wireless mice can cause missed clicks that look like hardware faults.
Is the polling rate reading accurate for 4K / 8K mice?
Browsers cap how fast they deliver input events, so readings above ~1000 Hz depend on your browser and monitor refresh rate. The tool reliably distinguishes 125 / 500 / 1000 Hz classes; for verifying 4000–8000 Hz, use your mouse's driver software alongside this test.
Is my data collected during the test?
No. Every event is processed locally in your browser tab. Nothing is uploaded or stored on a server, and the log clears when you leave the page.
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