Top 1,000: Progressive Web Apps
This report examines the state of Progressive Web Apps (PWAs). PWAs are a new class of web applications, enabled by the Service Worker APIs. Service workers allow apps to support network-independent loading, to receive push notifications as well as to synchronize data in the background, and — together with Web App Manifests — allow users to install PWAs.
This metric tracks the percentage of pages that have triggered the
ServiceWorkerControlledPage use counter that fires whenever a page is controlled by a service worker.