vanilla-lazyload
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
sw-builder
The sw-builder package automates the creation of your Application's Service Worker, which pre-caches your build. This leads to a better overall performance and enables users to access your PWA without an Internet connection.
