Posted On: Feb 22, 2018
A service worker is nothing but a script that is used to manage the caching for an application while running in the web browser. It augments the traditional web deployment model to deliver a user experience that provides performance and reliability that is equal to the natively installed code. Adding a service worker is one of the steps in turning your application into a PWA (Progressive Web Application). It also functions as a network proxy that intercepts all the outgoing HTTP requests and responds. It loads first when the application is loaded and intercepts every request to load the application.
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