Gamepad Test
Visualize connected controller buttons, triggers, axes, D-pad, mapping and optional vibration through the Gamepad API.
Open test →GTController Stick Drift Test
Watch analog-stick values around center and compare them with an adjustable reference deadzone.
Open test →GTGamepad Button Test
Focus on controller button, trigger and D-pad activation values.
Open test →GTTouchscreen Test
Draw touch points and trails inside a bounded test surface while reporting pointer type, pressure and contact count.
Open test →GTMulti-Touch Test
Count simultaneous browser touch contacts and compare them with navigator.maxTouchPoints.
Open test →What these browser tests can tell you
These tools show events, streams and capability values made available by your browser. They are useful for reproducing a problem and comparing behavior, but they do not certify a component or replace repair diagnostics.
Run a test more than once and, when practical, compare another current browser, port, cable or device. Each tool page gives a more specific interpretation and troubleshooting sequence.