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▣ Display
Pixels, refresh rate and resolution.
Dead Pixel Test
→Cycle full-screen solid colors to spot dead or stuck pixels.
Refresh Rate Test
→Estimate your display refresh rate with animation frames.
Screen Resolution Test
→See CSS resolution, pixel ratio and viewport size.
Color Depth Test
→Inspect browser-reported color and pixel depth.
Screen Orientation Test
→Watch orientation angle and viewport dimensions update live.
Screen Gradient Test
→Inspect smooth grayscale and color gradients for visible banding.
Full Screen Test
→Check whether fullscreen mode works and inspect the active state.
Frame Timing Test
→Measure browser animation-frame timing, jitter and unusually long frames.
Display Motion Test
→Run a smooth moving target to visually inspect motion clarity and stutter.