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