Some of the files available here:

bokstavmix.html

Jumbling Letters (Typoglycemia)

carousel.html

AppRun SVG Carousel

css-bug.html

CSS bug found in Chrome, Safari, Vivaldi

meter-react.html

Solitaire card game implemented with React 0.14.4

mobile-motion.html

Experiment with DeviceMotionEvent and DeviceOrientationEvent

navigator.html

Detailed info about your browser

utf-8-utvalg.html

A selection of UTF-8 characters