d3vices

D-05WheelEvent · performance.now

Scroll speed test

Measure your scroll speed in lines per second. Wheel deltas are normalised across pixel, line and page modes, so a trackpad, a notched wheel and a free-spinning wheel are compared on the same scale.

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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-04

Reaction time test

Wait for green, then click. Five rounds, with your median and best kept on your device.

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.