- 5/15/2026
- Updated 5/15/2026
Keyboard Polling Rate vs Latency: What Matters for Typing Scores
Polling rate in Hz is not the same as end-to-end latency. Learn how each concept shows up in games vs typing benchmarks and how to avoid fake “certified Hz” claims.
Polling rate is only one hop
Keyboard polling describes how often the controller asks the matrix for new state. Higher Hz can reduce worst-case quantization delay, but it does not erase debounce logic, USB framing, or browser paint scheduling.
Typing tests care about the full path to visible feedback, not a marketing sticker on the box.
When comparing Bluetooth and wired, idle the board for five minutes between modes so power states do not contaminate the first burst.
Treat polling Hz as a ceiling, not a personality. Firmware debounce and transport still dominate what your fingers feel day to day.
Try the latency tester
Sample end-to-end delay in milliseconds inside the same browser you use for Type Faster. Log median and jitter after cable, receiver, or power changes—then rerun a timed test to see if rhythm calms down.
Open keyboard latency testerWhen Hz headlines mislead typists
If you already poll at four or eight kilohertz but your Bluetooth stack adds variable delay, your perceived lag can still spike during congestion.
Treat Hz as one variable in a checklist, not a single score that predicts WPM.
Weekly retests beat obsessive daily retests. Measure when you change hardware, OS updates, or browser major versions.
Log median and jitter together; a stable median with rising jitter often predicts “off” sessions before your WPM chart moves.
Use a latency sample plus a timed test
Run the free Type Faster latency tester, then repeat your usual one-minute test on wired vs wireless days.
If latency variance shrinks but WPM does not move, your bottleneck is technique—not hardware.
Log median and jitter together; a stable median with rising jitter often predicts “off” sessions before your WPM chart moves.
Weekly retests beat obsessive daily retests. Measure when you change hardware, OS updates, or browser major versions.
Continue practicing
This guide is about input delay and sampling. Run the latency tester to capture milliseconds and jitter, then use a typing test to see if scores stabilize.