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Browser Mouse Polling Rate Tests Measure Events, Not Raw Hardware Output

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Browser-based mouse polling rate tests calculate how frequently mouse movement events reach a webpage, not the actual USB reports generated by the mouse firmware. The result is derived by measuring time intervals between accepted movement events, meaning factors like event coalescing, movement speed, and browser scheduling can all influence the displayed figure. Because of this, maximum readings can be misleading, as a single unusually short interval may spike the result without reflecting sustained performance. These tests are most reliable when comparing two settings on the same system under consistent conditions, such as contrasting 500 Hz and 1000 Hz mouse profiles. For hardware-level verification of raw USB polling, lower-level USB or HID analysis tools are more appropriate than browser-based methods.

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