Progressive Web App (PWA), in general, is a term used to denote web apps that use the latest web technologies. As such, this year’s PWAs will be average web apps in a few years.
Specifically, though, Progressive Web Apps, also known as Installable Web Apps or Hybrid Web Apps, are regular web pages (or websites) but can appear to the user like traditional applications or (native) mobile applications. This new application type attempts to combine features offered by most modern browsers with the benefits of mobile experience. This specific use of the term is the subject of this article.
Another fresh and hot video from Google Developers Day Europe 2017. In this video, you'll learn where to start with Progressive Web Apps, what to implement, and how to prioritize PWA techniques. You'll also learn how to make the most of 'low hanging fruit' and take advantage of small changes that can have a big impact.
Learn more about PWA: