How people interact with the web is changing rapidly. Users expect a smoother experience even when they have spotty or no internet connection. Additionally, users are increasingly moving away from downloading native apps. How can developers provide a mobile and offline optimized experiences without a native app - Progressive Web Apps (PWAs)! This talk will give an overview of why you and your business should consider building with an offline-first mindset. It will provide an overview what are PWAs and service workers (the secret sauce) of the offline first experience. Additionally, we will explore the advantages/limitations of PWA’s, their “native-like” features, and provide resources to help get you started.