- (developer.mozilla.org)“This article provides information on getting started with service workers, including basic architecture, registering a service worker, the install and activation process for a new service worker, updating your service worker, cache control and custom responses, all in the context of a simple app with offline functionality.”
- (twilio.com)Recaps building a web application: a fully featured SMS messaging application for a Twilio number, from 2016.
This resource might be a little out of date. - (developers.google.com)“Workbox is a set of libraries that can power a production-ready service worker for your Progressive Web App.”
