AV-H06
Refresh Rate & Frame Pacing
Measure your display's refresh rate in the browser, with frame-time percentiles, jitter, late frames and a moving-block test.
● Runs on your device; nothing is uploadedHow to use it
- Open the page on the monitor you want to test and keep the tab in front.
- Wait a few seconds for the rate to settle; choose a longer Window for steadier numbers.
- Read the rate, frame-time percentiles, jitter and late frames.
- Pick a speed for the moving block and watch for blur or stutter.
Limits
- Measurement window
- 1, 3, 5 or 10 s (default 3 s)
- Stored frame intervals
- 3600 max
- Gaps ignored
- Intervals over 250 ms
- Late or dropped frame
- Interval over 1.5× nominal
- Snap to common rate
- Within 1.2 % of 60–360 Hz steps
- Moving block speed
- 60–4000 px/s
Features
- Rate from the median frame interval, snapped to 60, 75, 90, 100, 120, 144, 165, 170, 180, 200, 240, 280 or 360 Hz
- Frame-time mean, p95, p99 and jitter (standard deviation)
- Live frame-time graph with nominal and late-frame lines
- Frame-locked moving block drawn at whole device pixels
- Pauses while the page is hidden
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