d3vices

D-04performance.now

Reaction time test

Measure your reaction time. Wait for the panel to turn green, then click or press a key as fast as you can. Five rounds give a median rather than one lucky number, and clicking early is caught.

Loading the test…

Permissions

None. This test needs no browser permission at all.

Nearby instruments

D-01

Click speed test (CPS)

How many clicks per second can you land? 1, 5, 10, 30 and 60 second runs with a saved personal best.

D-02

Kohi click test

The 10-second Minecraft PvP standard, scored the way the Kohi server did it.

D-03

Jitter click test

Measure a jitter-clicking burst, and see the consistency of your interval, not just the peak.

D-05

Scroll speed test

How fast can you spin the wheel? Measures lines per second and normalises across wheel modes.

A-01

Microphone test

Check that your mic is heard, see a live waveform, watch the input level and record a short clip to play back.

A-02

Speaker test

Play a tone through the left and right channel independently, sweep the audible range and check for a blown driver.