All DeviceMetrik tests
Find a test by name, task, or symptom, then browse all 32 implemented browser diagnostics by category.
32 tests
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Common diagnostics
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Input Tests
11- Reaction Time TestMeasure visual response time across five browser-timed attempts.Inputbrowser observed
- Keyboard TesterCheck individual keyboard keys, layouts, and browser key events.Inputdirect
- Mouse TestCheck mouse buttons, held states, wheel events, and pointer movement.Inputdirect
- Mouse Double Click TestScreen for suspected unintended mouse double clicks.Inputbrowser observed
- Scroll Wheel TestInspect wheel direction, reversals, deltas, and browser event cadence.Inputbrowser observed
- Mouse DPI TestEstimate mouse DPI/CPI from browser movement over a measured distance.Inputbrowser observed
- Formula Start Reaction TestRun a five-light, lights-out reaction sequence.Inputbrowser observed
- Keyboard Polling Rate TestMeasure browser-received keyboard event cadence—not raw USB polling.Inputbrowser observed
- Keyboard Rollover TestCheck which simultaneous key combinations reach the browser.Inputbrowser observed
- Keyboard Chatter TestScreen for unexpectedly repeated browser key events.Inputbrowser observed
- Mouse Polling Rate TestMeasure browser-received pointer event cadence—not raw USB polling.Inputbrowser observed
Controller Tests
2Display Tests
10- Dead Pixel TestInspect nine solid colors for dark, bright, or fixed-color pixel anomalies.Displayvisual
- Refresh Rate TestEstimate browser-observed presentation cadence in hertz.Displaybrowser observed
- Touch Screen TestCheck browser touch coverage, continuity, edges, corners, and multi-touch.Displaydirect
- FPS TestMeasure browser animation FPS, frame time, long frames, and stalls.Displaybrowser observed
- Frame Skipping TestInvestigate browser timing and a visual sequence for possible skipped frames.Displaybrowser observed
- Screen Tearing TestUse moving patterns to look for visible horizontal tearing or uneven motion.Displayvisual
- Monitor Ghosting Test — Motion Trails & Inverse GhostingInspect moving edges for trails, inverse trails, smearing, or visible blur.Displayvisual
- Stuck Pixel FixerTry a bounded color cycle after confirming a suspected stuck-colored pixel.Displayvisual
- Screen ResolutionRead browser-reported screen, viewport, scaling, and DPR information.Displaydirect
- Monitor Color TestInspect static browser-rendered color and tonal patterns without claiming calibrated measurement.Displayvisual
Audio Tests
7- Speaker TestPlay bounded signals and record per-signal speaker observations.Audiocapability dependent
- Headphone TestCheck personal-listening output and left/right observations.Audiocapability dependent
- Stereo TestCheck left, right, and center browser audio routing by listening.Audiocapability dependent
- Microphone TestInspect local microphone input level and an explicit short recording.Audiocapability dependent
- Tone GeneratorGenerate bounded tones and a controlled frequency sweep.Audiocapability dependent
- Pitch DetectorEstimate fundamental pitch and note from explicit local microphone input.Audiocapability dependent
- Vocal Range TestGuide a non-medical exploration of completed low/high vocal endpoints.Audiocapability dependent