Performance
FPS Test
Measure your browser frame rate using requestAnimationFrame.
Live Result
Detecting…
What is it?
Frames per second (FPS) measures how many times the browser repaints per second. Higher FPS means smoother animations and scrolling.
Why this matters
Performance debugging, gaming, and animation tuning all reference FPS. Drops below 60 FPS indicate rendering bottlenecks.
Common values
| Label | Value |
|---|---|
| Smooth | 60 FPS |
| High refresh | 120+ FPS |
Related Tools
Explore more diagnostics
Visit the DeviceScope homepage for a complete live dashboard, or browse all tools in the Performance category.