Scenario
Keyboard, mouse, pad, and refresh observation for gaming
Quickly review inputs and a browser refresh estimate before you play.
Bundles keyboard, mouse, optional gamepad, refresh estimate, and speaker. Not esports certification or polling-rate proof.
Does not claim exact USB polling rate, panel response time, or competition-rule compliance.
Devices to include
Gamepad is optional
You can resume within this tab session.
Details and limits
How to check
Confirm inputs in order. Refresh sampling starts only after you press Start. Skip the pad if you do not have one.
Limits
Does not claim exact USB polling rate, panel response time, or competition-rule compliance.
If you need help
If input feels sticky, try another USB port, a wired link, or quit background apps.
FAQ
Is this an NKRO / anti-ghosting pass?
No. Simultaneous keys are observations in a dedicated tool only.
Does it prove 144 Hz?
It is browser frame observation only and may differ from OSD settings.