Key Response Time Test

Measure your keyboard's key response time and input lag with precision timing

✓ Millisecond Precision ✓ Multiple Test Rounds ✓ Statistical Analysis ✓ Performance Rating
Keyboard Input Lag Test

This test measures your keyboard's input lag - how fast your keyboard registers and reports key presses to your computer. Press any key to instantly measure the input response time in milliseconds.

How it works: Each key press is measured from the moment you press it to when the system receives the input. Lower numbers indicate better keyboard performance.

Input Tests
Total tests: 0 | Press any key to test
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Current (ms)
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Average (ms)
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Best (ms)
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Tests Done
READY
Press any key to test keyboard input lag instantly

Each key press instantly measures your keyboard's input lag

Performance Analysis

Complete some tests to see your performance analysis.

Input Lag Guide
Excellent < 2ms
Good 2-5ms
Needs Improvement > 5ms
Mechanical keyboards typically achieve 1-3ms input lag. Wireless keyboards may have 5-15ms additional latency. 6px;">
Professional esports players typically achieve response times under 200ms. Regular users average 250-400ms.