What are service workers and how do they use caching?

What are service workers and how do they use caching?

Service workers are scripts that run in the background of a web application, allowing for features like offline access and background sync. They can intercept network requests and cache responses, enabling faster load times and offline functionality.

Can you explain how caching works with service workers?

Sure! When a service worker is installed, it can cache specific resources. When a user requests a resource, the service worker checks the cache first before going to the network, which speeds up loading times and reduces server requests.

What are the benefits of using service workers for caching?

The benefits include improved performance, offline capabilities, reduced server load, and the ability to serve cached content even when the user is offline.

Are there any downsides to using service workers?

Yes, some downsides include complexity in implementation, potential caching issues if not managed properly, and the need for HTTPS to use service workers.