A Progressive Web App is built with web technologies but behaves like a native app. Service Workers cache pages so the app keeps working offline. The Web App Manifest lets users install the app directly on their device.
Building a PWA requires HTTPS, a Service Worker, and a manifest.json file. The Lighthouse audit tool rates your PWA quality. Major brands like Twitter, Pinterest, and Starbucks have deployed PWAs and seen significant conversion lifts.
Our courses on this topic