Behind the Scenes of a Service Worker

Explore the intricacies of Progressive Web Apps (PWAs) and service workers in this conference talk from JSWORLD Conference 2022. Dive deep into the architecture and design patterns necessary for building cross-platform applications that provide a native app-like experience, including offline functionality. Learn about serverless architecture and various implementation methods for service workers to enhance offline capabilities. Discover the evolution of service workers, effective caching strategies, and practical code examples for handling fetch events, offline fallback pages, and resource management. Gain insights into optimizing headers, pages, and images for PWAs, ultimately equipping you with the knowledge to create robust, offline-capable web applications.

Intro
What is aPWA
What is aPWA technology
What you need to know about aPWA
Service Worker
What is a Service Worker
Evolution of a Service Worker
What is a good catching strategy
Code
Fetch
Offline fallback page
Offline HTML
Strategies
Headers
Pages
Images
Recap