Safe: Served via HTTPS to prevent snooping and ensure content has not been tampered with.ĭiscoverable: Are identifiable as 'applications' thanks to W3C manifests and service worker registration scope allowing search engines to find them. Responsive: Fit any form factor, desktop, mobile, tablet, or whatever is next.Ĭonnectivity independent: Enhanced with service workers to work offline or on low-quality networks.Īpp-like: Use the app-shell model to provide app-style navigation and interactions.įresh: Always up-to-date thanks to the service worker update process. Progressive: Work for every user, regardless of browser choice, because they are built with progressive enhancement as a core tenet. PWAs are similar to native apps but are deployed and accessible from web servers via URLs, so we don't need to go through app stores. PWAs need to meet a set of essential requirements that we'll see next. A Progressive Web App or PWA is a web application that has a set of capabilities (similar to native apps) which provide an app-like experience to users.

Pwa web app builder