TESTS & DEVICES

Reaction, Memory & Device Tests

Test reaction time, typing, memory, color vision, monitors, keyboards, and mouse input in your browser.

A light personality test with just five questions.

Click when the screen changes color and measure your reaction time in milliseconds.

Calibrate your display with a bank card, then measure horizontal and vertical lengths in cm, inches or pixels.

Cycle full-screen solid colors to inspect pixels and image retention.

Check every key, maximum simultaneous input and keyboard ghosting.

Estimate polling rate and test buttons, double-clicks and wheel input.

Find the subtly different tile and measure your color sensitivity.

Remember flashing digit sequences and enter them in order.

Listen to a note and identify it from the musical scale.

Type a short passage and measure WPM, accuracy and time.

Solve arithmetic for 60 seconds and compare your ranking.