The fastest resource download is the one never made. Caching is a great way to ensure your content is positioned as close to your users as possible and that your repeat visitors get instant access to your content. Developers can impact the behavior of network and browser caches, improving content caching and ensuring it’s always as available as it can be, but caching semantics in HTTP can be difficult, which means that most content on the web today is not properly cached.
Yoav Weiss explores HTTP cache semantics, strategies, browser internal caches, and service workers and explains how to serve your content fast and fresh.
Yoav Weiss is a principal architect at Akamai, where he focuses on making the web platform faster by adding performance-related features to browsers as well as to Akamai’s CDN. Yoav has been working on mobile web performance for longer than he cares to admit. He takes image bloat on the web as a personal insult, which is why he joined the Responsive Image community group and implemented the various responsive images features in Blink and WebKit. When he’s not writing code, he’s probably slapping his bass, mowing the lawn in the French countryside, or playing board games with his family.
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