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Harry Roberts

With a client list including Google, Unilever, and the United Nations, Harry is an award-winning Consultant Front-end Architect who helps organisations and teams across the globe to plan, build, and maintain product-scale UIs. A Google Developer Expert, he writes on the subjects of CSS architecture, performance, and scalability at csswizardry.com; develops and maintains inuitcss; authored CSS Guidelines; and Tweets at @csswizardry.

More Than You Ever Wanted to Know About Resource Hints

Resource Hints are a great way for developers to make their web pages faster by allowing us to be a little bit smarter than the browser. Although not a new specification—they’ve been around in some form or another for years!—are we truly getting the most out of them? And do we understand them thoroughly enough to use them most effectively? Heck, do we even know what a ‘Resource Hint’ is?! Well, by the end of this talk, we’ll all be experts.

Let’s take a look at all of the different Resource Hints we have available to us, real-world examples of how best to use them, and learn about some of the more obscure intricacies and gotchas that we need to be aware of if we want to really get the best out of them (and to make sure that we really are being smarter than the browser).

resourcehints webperf perfmatters

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Front-end Performance

Every case-study, every report, and every bit of feedback always tells us the same thing: speed matters. It’s good for users, it’s good for accessibility, and it’s good for business. But why are modern browsing experiences so slow? If technology is getting better, why are websites getting worse?