Harry is an award-winning Consultant Performance Engineer from the UK. With a client list ranging from the United Nations to Google, the BBC to the Financial Times, he has helped some of the world’s largest organisations make their websites faster.
He also holds positions as a Google Developer Expert, where he shares web performance research and findings, and as Performance Ambassador for SHIFT Commerce, where he aims to make ecommerce faster from the inside out.
He writes about all things front-end performance at csswizardry.com, speaks at tech events all across the globe, and regularly shares his insights at @csswizardry.
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).