Estimate browser-observed keyboard event delay across repeated key presses.
Your personal best is saved locally on this device. Results can vary by hardware and browser.
Lower milliseconds indicate less browser-observed event delay.
Estimate browser-observed keyboard event delay across repeated key presses. The tool runs in your browser, so you can retry immediately without creating an account.
This browser keyboard latency test is most useful for controlled comparisons. Close heavy applications, collect at least ten samples and compare the median—not one unusually fast result—while keeping the keyboard, browser and computer conditions consistent.
No. A browser cannot isolate hardware latency; this test estimates event delay including the keyboard, operating system and browser.
Yes. You can use it repeatedly without creating an account or installing an app.
Press any letter or number key at least ten times. The page updates automatically.