LIVE TEST
Key rollover test
Find how many keys your browser receives at the same time.
Add your observation
Your judgement, not a hardware certification. Saved on this browser for 24 hours.
01 / Instructions
How to use this test
Focus the test. Hold a small combination such as A, S and D. Add keys one by one, then release them.
02 / Next step
Understand your result
The peak is the largest combination observed in this session. Try several combinations: a keyboard may handle some better than others.
03 / Testing methodology
What this test cannot tell you
This is not a laboratory NKRO certification. Operating-system shortcuts and wireless connections can affect events.
