ServiceWorker give you a variety of levers over the loading performance of your app. But HTTP already allowed you to speed up the loading of your app – and these two technologies stack, so you should know what you have at your disposal. With HTTP/2, things only get better. This talk will summarize, the past, the present and the future of protocol-level optimizations.
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Music by Terra Monk: https://soundcloud.com/terramonk/pwa-amsterdam-2016