Tests & devices
Reaction Time Test
Click when the screen changes color and measure your reaction time in milliseconds.
Tools
Reaction, Memory & Device Tests
Test reaction time, typing, memory, color vision, monitors, keyboards, and mouse input in your browser.
Reaction, Memory & Device Tests
5Tests & devices
Keyboard N-Key Test
Check every key, maximum simultaneous input and keyboard ghosting.
Tests & devices
Dead Pixel & Retention Test
Cycle full-screen solid colors to inspect pixels and image retention.
Tests & devices
Typing Speed Test
Type a short passage and measure WPM, accuracy and time.
Tests & devices
Mouse Click, Wheel & Double-Click Test
Check left, middle and right clicks, wheel direction and browser double-click events. Not a hardware fault diagnosis.