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31 tests
Input Tests
11- Reaction Time TestMeasure visual reaction time with five valid attempts, false-start detection, and local history.
- Keyboard TesterPress keys to verify browser keydown and keyup events across Windows, Mac, compact, and full-size layouts.
- Mouse TestCheck mouse buttons, hold stability, movement path, and basic wheel events using the browser Pointer Events API.
- Double Click TestAnalyze click intervals and possible unintended double-clicks using configurable browser event thresholds.
- Scroll Wheel TestDiagnose wheel direction, jumps, reverse events, and short-window event rates without converting to physical…
- Mouse DPI TestEstimate mouse DPI using Pointer Lock movement counts across a known physical distance.
- Formula Start Reaction TestLights-out style visual reaction timing with a five-light start sequence.
- Keyboard Event Rate TestMeasure browser-observed keyboard event rates while you tap.
- Keyboard Rollover TestObserve simultaneous key reporting for free and guided combinations.
- Keyboard Double-Press TestAnalyze possible duplicate key press cycles from browser keydown/keyup timing.
- Mouse Event Rate TestMeasure browser-observed pointermove rates while moving the mouse.
Controller Tests
2Display Tests
9- Dead Pixel TestCycle solid full-screen colors so you can look for dark or stuck pixels.
- Refresh Rate TestEstimate the current browser presentation timing from requestAnimationFrame intervals.
- Touch Screen TestCheck multi-touch points, grid coverage, edges, and draw continuity using touch pointer events.
- FPS TestMeasure how many animation frames this browser completes under light or controlled load.
- Frame Skipping TestLook for irregular frame presentation gaps.
- Screen Tearing TestVisual aid for noticing tear lines.
- Monitor Ghosting TestMoving patterns to help observe ghosting.
- Stuck Pixel FixerOptional rapid color cycles users may try carefully.
- Screen ResolutionRead browser-reported screen, viewport, and devicePixelRatio values.
Audio Tests
7- Speaker TestPlay generated tones and channel checks.
- Headphone TestChannel, phase, and tone checks for headphones.
- Stereo TestVerify left, right, center, phase, mono collapse, and balance with generated tones you confirm yourself.
- Microphone TestLocal microphone level preview.
- Tone GeneratorGenerate tones at selected frequencies.
- Pitch DetectorEstimate pitch from local microphone input.
- Vocal Range TestGuided vocal range exploration with local audio.