Checking the mouse, keyboard and gamepad
Double clicks, repeated clicks, scrolling and stick drift. Check your specific issue directly in your browser.
Mouse double-click test
Check for unintended rapid clicks when you press once. Test each mouse button separately and inspect the intervals between clicks.
Keyboard double typing test
Find keys that register extra presses. The tester distinguishes repeated key presses from normal auto-repeat while a key is held down.
Mouse scroll wheel test
Look for reversed scroll events while scrolling in one direction. Counters and an event log show what the browser receives.
Controller stick drift test
Check analog sticks at rest, their range of movement and how they return to center. Compare raw axis readings before and after a change.
Mouse button hold test
Check whether a button stays pressed while you hold it and move the mouse. The event log records releases and hold duration.
Keyboard ghosting and rollover test
Check which key combinations reach your browser together. Useful when a game misses a jump or another action while you are moving.
Mouse button test
Check left, right, middle and side buttons. See press and release events and the number of events received.
Keyboard test
Check each key on a virtual keyboard. See its physical code, the character received and which keys you have tested.
Gamepad controller test
Check controller buttons, triggers and axes. See which values and input events your browser receives.
Mouse polling rate estimate
Estimate how often mouse movement events reach the browser. Compare connection modes and polling rate settings; this is not a direct USB measurement.
Reaction time test
Measure your reaction to a visual cue. Five attempts show the median and variation in your response time.
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