What to do
Move both sticks in circles, then release them completely. Watch where they settle before capturing a reading.
Gamepad Stick Drift Test
Measure analog stick drift, deadzone behavior, and axis center stability.
No controller detected. Press any controller button.
Pads0
Polling0/s
Updates0
Local history
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How to use this test
What to look for
Compare several returns to center. A reading taken while a stick is held describes its position.
The Gamepad API supplies button values, axes, and timestamps. A trigger value is normalized input, not physical pressure. Timestamp changes are browser-visible updates, not proof of a hardware polling specification.