What is a service worker in a PWA?
A service worker is a script that runs in the background of a web application, enabling features like offline access and push notifications.
How does a service worker improve performance?
It caches resources, allowing the app to load faster and work offline by serving cached content instead of fetching it from the network.
Can I use service workers with any website?
Service workers can only be used on secure origins (HTTPS) and require a web app to be registered as a PWA.
What are some common use cases for service workers?
Common use cases include offline support, background sync, and push notifications, enhancing user engagement and experience.
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