Touch Accuracy Test
Tap targets to estimate browser-observed touch offset at different screen positions.
⌁Your device, your test.
Press Start to begin. Some tests will request browser permission.
No test started. Your device data stays in the browser.
INSTRUCTIONS / TEST
How to run this test
Tap the center of each target as accurately as possible; inspect average offset.
What this test cannot guarantee
Finger size and browser viewport scaling influence the estimate.
PRIVACY BY DESIGN · Tests run on your device. No microphone, camera or sensor data is uploaded to DeviceCheckup.