Browser diagnostics / v1.0
Know what your setup can do.
Thirteen tests that run entirely in your browser, timed to the frame and to the moment your system delivers each input. Nothing to install. Test input and results stay on your device.
Collection 01
Input tests
- Click speed testClicks per second over 1 to 60 seconds, with a per-second chart and double-click fault detection.Clicks per second
- Reaction time testFive attempts against a color change or a beep, timed to the frame the stimulus appears.Milliseconds
- Typing testNet and raw WPM, accuracy, a per-second chart and the keys you miss most.Words per minute
- Spacebar counterCount spacebar presses in a timed window or without a limit. Held keys never count.Presses per second
Collection 02
Hardware testers
- Keyboard testerCheck every key on ANSI and ISO layouts, measure rollover and read your key repeat rate.Keys, rollover, repeat rate
- Mouse testMeasure polling rate, test all five buttons and the scroll wheel, and catch unwanted double clicks.Polling rate, buttons, wheel
- Gamepad testerLive buttons, triggers and axes for every connected controller, with stick drift and circularity tests.Buttons, axes, stick drift
- Mic testLive level meter, waveform and spectrum, clipping detection, and a recording you can play back.Level, clipping, spectrum
- Webcam testLive preview with the resolution your camera actually delivers and its measured frame rate.Resolution, frame rate
Collection 03
Screen tests
- Dead pixel testFill the screen with solid colors to spot dead, stuck and hot pixels, and mark where they are.Dead and stuck pixels
- Refresh rate testMeasure the refresh rate your browser renders at, with frame time jitter and dropped frames.Hertz, frame drops
- Motion blur testMoving test patterns at full, half and quarter frame rate to judge motion blur and ghosting.Blur and ghosting
- Backlight bleed testA full-screen black field, with near-black steps, to show backlight bleed, IPS glow and clouding.Bleed and IPS glow