Correctly declare progressive enhancements for CSS Custom Properties.
LazyLoad is a lightweight (2.4 kB) and flexible script that speeds up your web application by deferring the loading of your below-the-fold images, videos and iframes to when they will enter the viewport. It's written in plain "vanilla" JavaScript, it leve
Oboe.js reads json, giving you the objects as they are found without waiting for the stream to finish