How to interpret the result
Breaks in the drawn path can indicate a missed event, browser interruption, palm rejection, a dead region, or a contact leaving the surface. Repeat with a different finger or stylus.
Draw with one or more contacts to inspect edge coverage, tracking continuity, contact count, and pointer cancellation.
Breaks in the drawn path can indicate a missed event, browser interruption, palm rejection, a dead region, or a contact leaving the surface. Repeat with a different finger or stylus.
This cannot certify pressure levels, stylus tilt, digitizer calibration, palm rejection quality, latency, or operating-system gesture handling.
Verify pointer movement, primary and auxiliary buttons, wheel direction, double clicks, and browser-reported coordinates.
Open testRecord keydown and keyup events, inspect codes, and see how many simultaneous keys the browser receives.
Open testInspect browser motion and orientation events and request a short vibration where the platform allows it.
Open test