Input
Touch / multitouch test
See active pointer count and trails when you touch the surface.
After starting, touch the test surface with your fingers.
While active, only touches inside this surface are recorded. Outside it, the page can still scroll.
Touch test surface
Not started
Touches now: 0 · Max touches observed: 0
Details and limits
How to check
Press Start, then touch with one or more fingers on the test surface. Check current/max touch counts and the trail.
Limits
Mice, pens, and OS gestures can look different. This is not panel-precision certification.
If something feels wrong
If nothing registers, check screen films, another browser, or tablet mode.
FAQ
It says touch is unsupported.
This environment is not delivering pointer events. That is not the same as a broken panel.
Are trails stored?
They appear only for this session and clear on reset or leave. Nothing is uploaded.