Find your screen test.
Choose browser timing, pixel and uniformity checks, moving patterns, or mouse and keyboard input. Every tool has its own controls, instructions, and limits.
Complete Monitor Test
A guided sequence of timing, pixel, uniformity, and motion checks, with a local summary of measurements and your observations.
13 available tests
Dead Pixel Test
Inspect your display for dead or stuck pixels using solid colors.
Refresh Rate Test
Estimate your browser’s frame cadence and a likely refresh-rate class.
Ghosting Test
Inspect monitor trails and overshoot around original moving block edges.
Motion Blur Test
Compare moving text and fine bars to visually inspect motion clarity.
Backlight Bleed Test
Inspect light leakage and dark-screen uniformity on your monitor.
OLED Screen Test
Inspect uniformity, image retention, and persistent image patterns.
Frame Rate Test
Sample browser animation timing to estimate FPS and frame consistency.
Gray Screen Test
Use a neutral gray surface to visually inspect display uniformity.
White Screen Test
Inspect a white surface for pixel defects and uneven brightness.
Black Screen Test
Inspect a black surface for light leakage and bright stuck pixels.
Mouse Test
Check browser-visible mouse buttons, movement, and wheel input.
Mouse Click Test
Compare deliberate clicks, close intervals, and browser double-click events.
Keyboard Ghosting Test
See which simultaneous key presses are received by your browser.
Need help interpreting a display observation? Browse the monitor testing guides.