Progressive Web Apps with React

Testing our cache

Run your app locally quickly with yarn start to check for any obvious errors (typos and such), and if all looks good, fire up yarn deploy.

Open your live application and the Chrome DevTools. Turn off Update on reload under Application | Service Workers, refresh once, and then go to the Network tab. You should see something like the following:

If this doesn't work, try Unregistering any service workers under Application | Service Workers, and then reload twice.

The key point is (from service worker) beside our JavaScript files. Our static assets are being served up by our service worker cache, and if you scroll to the top ...