Keyboard chatter test

Type normally or press a suspect key one press at a time. Very fast repeat inputs are flagged for inspection.

● Runs locally in this browser.

What this means

Run the test to interpret your result

Your result will be explained here, including what is normal, what may indicate a problem, and the most useful next step.

Contextual replacement recommendation

Reserved for a relevant product recommendation when a result suggests a hardware issue.

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Key presses0

Rapid repeats0

Threshold<70 ms

No suspicious rapid repeats detected.

Press keys normally.

Interpreting chatter

A flagged repeat is not proof of a faulty switch. Deliberately pressing very quickly can trigger the threshold. A stronger signal is when a single physical press repeatedly produces two keydown events.