How to Use
1
Press Start Test — the first target appears at a random position in the zone.
2
Click as close to the center of the target as possible to check mouse clicks with high precision.
3
Your deviation in pixels is shown instantly — lower is better. A green dot marks where you clicked.
4
If you click outside the target it counts as a miss. The zone flashes red and a deviation line shows how far off you were.
5
After all targets, see your average deviation, hit rate, and precision tier. Click Reset to try again.
Keyboard Shortcuts
Space
Start test / skip to next target
R
Reset the current test
F
Toggle fullscreen mode
S
Open / close Settings
H
Open / close Help
Esc
Close any open panel
Reading Your Results
After each test you'll see your average deviation (avg px from center across all shots), your best single shot, and your hit rate (how many targets you landed on). Use the charts below the zone to check mouse clicks, spot patterns, and see if your misses consistently pull in one direction.
Precision Tiers
Your tier is based on average deviation across all shots in a test.
< 5px
🎯 Pixel Perfect
Top 1%
15 – 30px
Average
Top 50%
> 60px
Needs Work
Bottom 20%
Typical Benchmarks
25–50px
Casual / trackpad users
Note: these benchmarks are for medium (44px) targets at native desktop resolution. Smaller targets and higher DPI will naturally increase deviation.
How Deviation is Calculated
Deviation uses the Euclidean (straight-line) distance formula: √((x₁−x₂)² + (y₁−y₂)²) where (x₁, y₁) is your click and (x₂, y₂) is the target center. A result of 0px is a perfect dead-center hit.
Target Size and Distance
Larger targets and shorter travel distances are naturally easier and faster to hit. When you check mouse clicks across random target locations, this accuracy tester measures your raw precision without letting you memorize fixed positions.
Hand-Eye Coordination & Muscle Memory
Click accuracy depends on hand-eye coordination and muscle memory. Your eyes spot the target, and your hand makes micro-adjustments before clicking. Daily practice with a mouse accuracy test trains your reflexes so your pointer stops right on the mark.
Human Reaction and Click Lag
There is always a split-second delay between seeing a target on screen and pressing your mouse button. Testing regularly helps you synchronize your cursor sweep with your click timing so you avoid clicking too early or overshooting.
Screen Resolution & Pixel Units
Deviation is measured in standard CSS pixels. This keeps your scores consistent across 1080p, 1440p, or 4K monitors as long as your browser zoom remains at 100%.
Mouse Polling Rate
A mouse with a 1000 Hz polling rate updates its position every millisecond, compared to every 8 milliseconds on a standard 125 Hz mouse. Higher polling rates help you check mouse clicks smoothly with less pointer stutter.
About This Tool
The Click Accuracy Tester is part of the ClickTests.net suite of free, browser-based input device tests. All processing happens locally in your browser — no data is sent to any server.
Accuracy & Limitations
Browser Coordinate Precision
Click coordinates are captured via MouseEvent.clientX/Y at sub-pixel precision. The result is rounded to the nearest whole pixel for display.
Display Scaling
If your browser or OS display scaling is not at 100%, CSS pixels may not correspond to physical pixels. For the most accurate comparison, use the test at 100% browser zoom.
Touch Devices
Touch coordinates have lower precision than mouse coordinates (typically ±2–5px depending on the device). Touch results are not directly comparable to mouse results.
Version History
v1.2Mar 2026
- Added tabbed Settings and Help panels
- Added target movement (slow/fast drift) mode
- Added Tiny (16px) target size
- Added JSON history export
- Responsive round-strip for mobile
v1.1Feb 2026
- Added deviation line and click marker visuals
- Added shot-by-shot bar chart
- Added personal best banner and session stats
v1.0Jan 2026
- Initial release — 10-target accuracy test with deviation scoring
Other Tools
Explore the full suite at clicktests.net — including Reaction Time Tester, Double Click Tester, Jitter Click Tester, Butterfly Click Tester, and more.