BenchRushTest. Play. Improve.
BenchRush → All tests, one place
Test Center

All tests, one place

Choose by symptom, device or goal. Each test explains what the browser can observe and what it cannot.

Start with the problem

A key is missing or repeatingKeyboard test →A mouse button or wheel feels wrongMouse test →I want to check a controllerGamepad test →I see a suspicious screen pixelScreen test →I want a reaction baselineReaction test →I am tuning input/display latencyPolling + refresh tools →

Gear diagnostics

Keyboard testIndividual browser-visible key events.Keyboard rolloverSimultaneous held-key combinations.Mouse buttons & wheelCore button, side-button and wheel delivery.Double-click checkVery-rapid repeat timing from deliberate clicks.Scroll-wheel sprintDirection changes and event flow.Gamepad testButtons, axes and connection state via the Gamepad API.Screen visual testSolid-color visual inspection for suspicious pixels.

Timing and skill benchmarks

Mouse polling estimateBrowser pointer-event cadence.Refresh-rate estimaterequestAnimationFrame cadence visible to this tab.Reaction timeFive randomized visual rounds.CPS testTen-second mouse click sprint.Spacebar sprintDistinct presses over ten seconds.Mouse accuracyThirty targets, misses and acquisition time.

Not sure what the number means?

Open Methodology for the exact measurement boundary or the guide hub for troubleshooting and interpretation.