Free Mouse Accuracy Test for Click Precision, Speed, Center Error, and Streaks
This mouse accuracy test places random targets inside a controlled board and measures hit rate, center error, acquisition time, streaks, and a normalized precision score.
Run the live browser test
12 practical features in this mouse accuracy test
Random target placement
Built into this page as an interactive or diagnostic capability, not just a static explanation.
10/20/30 target rounds
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Three target-size difficulties
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Center-error measurement in pixels
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Normalized precision score
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Hit-rate percentage
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Miss counter
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Average acquisition time
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Fastest target time
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Best streak
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Distance-to-target logging
Built into this page as an interactive or diagnostic capability, not just a static explanation.
Local best and CSV export
Built into this page as an interactive or diagnostic capability, not just a static explanation.
How to read the diagnostic signal
| Signal | Useful interpretation | Important limitation |
|---|---|---|
| Stable repeat result | More useful for comparison than a single isolated sample | Still depends on the current browser, OS, and device state |
| Large change after one controlled adjustment | Good clue that the changed variable matters | Correlation is not always proof of root cause |
| Missing or inconsistent browser event | Useful troubleshooting evidence | Does not electrically inspect hardware components |
| Exported session summary | Helps compare before/after changes | Only as good as the test conditions you record |
Worked example: run the same test twice, change one relevant setting, then repeat it. A consistent change across repeated runs is more informative than a single isolated number.
Six short lessons for better testing
Control one variable
Keep device settings, browser zoom, and test mode constant before comparing results.
Repeat the measurement
One run can be noisy. Repeat the same test and look for a stable pattern.
Separate browser from hardware
Browser events are useful diagnostics, but they do not expose every firmware or electrical detail.
Use the right metric
Choose timing, accuracy, count, support, or geometry metrics that match the problem you are investigating.
Record context
Save the device, connection type, relevant settings, and test condition with any result you compare later.
Interpret, do not overclaim
Treat the page as a practical diagnostic aid rather than a laboratory certification instrument.
Complete the diagnostic workflow
Three-question diagnostic quiz
Recent saved milestones on this device
Continue without a dead end
Free Mouse Accuracy Test for Click Precision, Speed, Center Error, and Streaks: FAQ
How is accuracy calculated?+
The score combines whether you hit the target with how close the click lands to its center relative to the target radius.
Does mouse sensitivity affect the result?+
Yes. Pointer speed, acceleration, DPI, display scaling, target size, and your movement technique can all change the result.
Can I compare two mice?+
Yes, but keep target count, difficulty, operating-system sensitivity, display scaling, and posture consistent.
Does this measure sensor accuracy directly?+
No. It measures pointing performance through the full browser-visible interaction, including your hand and system settings.
Why does target size matter?+
Smaller targets require finer control, so compare scores only when difficulty is the same.
Use the result responsibly
This tool reports what a browser can observe or calculate in the current environment. Firmware, drivers, operating-system processing, permissions, transport, display timing, audio hardware, device design, and browser implementation can add behavior that this page cannot isolate.
External technical reference: MDN: PointerEvent ↗.