BUTTONSCOPE / Labs & learning
Mouse lab
Observe primary, secondary, middle and available side-button presses and releases in a scoped event log.
Browser motion event rate
Measure the arrival rate and timing range of pointer movement events delivered to this page.
eDPI calculator
Multiply configured mouse DPI by the sensitivity used in one particular game.
Mouse DPI estimator
Estimate a browser-scale value from measured physical travel and horizontal CSS-pixel displacement.
Click consistency test
Record a sequence of intentional primary clicks and inspect the interval distribution without a speed target.
Mouse scroll wheel test
Observe wheel direction, vertical and horizontal deltas, and the browser-reported delta mode.
Mouse drag and hold test
Hold the primary button for a chosen duration and inspect whether a release arrives before the target.
Mouse double-click test
Compare intervals between primary-button presses and choose your own threshold for highlighting close events.
Mouse button test
Observe primary, secondary, middle and available side-button presses and releases in a scoped event log.
Choose a focused test below. Use the same browser and connection when comparing runs. A recorded event is evidence of browser input, not a complete hardware diagnosis.