PUBLIC MARKS from srcmax with tags cache & "service worker"

While not the most amusingly named feature of the web platform, everything seems to point at ServiceWorker being the most significant addition to the web platform since the introduction of AJAX – over 10 years ago. Not to be confused with WebWorker (used to offload intense compute operations onto another execution thread), ServiceWorker allows you to intercept (and hijack) network requests originating from your site before they’re even dispatched. This article explores how it works, what it means and what it enables, and how you can implement it by following a case study.