ScreenTestPro
High-Performance Gaming

Refresh Rate (Hz) & Frame Stability Meter

Verify that your monitor is running at its advertised high-refresh frequency in Windows, macOS, or ChromeOS settings, and detect frame pacing jitter.

Gaming & Motion Benchmark

High-Precision Refresh Rate (Hz) & Frame Stability Meter

Measures exact display hardware scan-out rate, frame-time consistency (ms), and frame drops using high-precision browser timestamps.

Sampling Live at 1000Hz
Detected Display Scan Rate
--Hz
Analyzing monitor scanout rate...
Avg Frame Time
--.-- ms
Frame Jitter
±-.-- ms
Frame-Time Stability GraphInstant: -- FPS
Target: 16.6ms
Dropped Frames: 060-frame rolling window
Common Rates:60Hz75Hz120Hz144Hz165Hz240Hz360Hz+

Motion Smoothness Check

Display Active

Motion Fluidity Stage

At higher refresh rates (144Hz vs 60Hz), the moving UFO sprites will appear significantly sharper with dramatically reduced eye-tracking motion blur.

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