#timetoadopt this important specification that notably make #PWAs work offline! w3.org/TR/2019/CR-service-wo…
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A service worker is a script that your browser runs in the background. Acting as a virtual proxy between the #browser and the #network, it caches the assets of a #website and make them available when the user’s device is offline.

Nov 28, 2019 · 1:45 PM UTC

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In addition to the offline capabilities, #ServiceWorkers handle notifications, perform heavy calculations on a separate thread, and more. It is a powerful tool for Web #developers!
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See current browser support caniuse.com/#feat=servicewor… and the #github repo: github.com/w3c/ServiceWorker…
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