This article explains what a service worker is and how to put together your own by registering, installing, and activating it without any hassle.

Source: www.smashingmagazine.com

Web App Manifests are one of the key pieces to making your web app look and feel like a native app

Source: tomitm.github.io

StealJS is a dependency loader and build tool that solves the most difficult parts of building large JavaScript applications. With it’s focus on simplified workflows and highly efficient production builds, we hope that StealJS is the last module loader you’ll ever need. If you haven’t checked out StealJS yet, we provide:

Source: stealjs.com