Press Start. The tool ticks every animation frame and reports live FPS. Make sure this tab is focused and in the foreground — browsers throttle background tabs to 30 FPS or lower.
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FPS
Average FPS
-
Min FPS
-
Max FPS
-
1% low
-
Frames rendered
0
Run time
0s
Likely display Hz: -
Tip: browser FPS cannot exceed your monitor refresh rate. A result of ~60 means you have a 60Hz display. ~120, ~144 or ~240 means a high-refresh monitor. 1% low is the slowest 1% of frames — the stutter floor.