Explore the evolution of web technologies from AppCache to Service Workers in this comprehensive conference talk. Dive into the world of offline-first development, push notifications, and background sync capabilities. Learn how Service Workers function in detail, including their installation, update processes, and debugging techniques. Discover the integration of modern APIs such as promises, cache, and fetch. Examine the practical applications of Service Workers in classic websites, progressive enhancement strategies, and the comparison between native and web applications. Gain insights into the Web App Manifest, Chrome's role as an IDE, and future developments in web technologies. Equip yourself with the knowledge to leverage Service Workers and related APIs for creating more robust, offline-capable web applications.