Polling rate checker
Start a run, then move the mouse in circles inside the area for ten seconds.
0Hz
Press Start, then keep moving
Result
Median rate
0
Mean rate
0
Fast end
0
Best interval
0
Share of intervals nearest each standard rate.
Browsers deliver pointer events on their own schedule, so a 4,000 or 8,000 Hz mouse can read lower here and a bad run is not proof of a faulty mouse. Use a mouse, not a touchscreen or pen.