Lightning talk: Service Workers, use them
summary
Claims that service workers noticeably improve load and offline behavior and demonstrates a working offline demo. Shows concrete code: registers via navigator.serviceWorker.register, caches assets in install with cache.addAll and uses respondWith to return cached responses or fall back to network. Uses event.waitUntil, self.skipWaiting and clients.claim to activate immediately and purge old caches. Notes requirement HTTPS or localhost, no private browsing, and cites Can I use browser support numbers.
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