When we have to deliver a rich app experience AND killer performance, what can we do? Servers are expensive, slow, and hard to scale. Static sites are easy to deploy and maintain, but are they flexible enough?

Over 50% of people will abandon a mobile site if it takes more than 3 seconds to load. Unless you’re willing to give up half of your potential customers, performance is no longer optional on the modern web. Fortunately, there are a lot of tools available to help you build screaming fast websites. Unfortunately, there’s a frighteningly large number of performance considerations, and many of them are really easy to get wrong.

In this talk, you’ll learn actionable, battle-tested strategies for building high-performance websites without sacrificing any of the functionality or flexibility you need to deliver an excellent experience to your users, including how to:

Improve critical performance measures like time-to-first-byte and time-to-interactive
Decrease the amount of work the browser needs to do to render your site
Implement the PRPL pattern for screaming fast load times
Further improve the experience for returning visitors with Progressive Web App techniques
And much more

In addition to learning about how these techniques work, you’ll also learn how to leverage existing tools to instantly add the collected performance knowledge of the open source community to your apps for free — without needing to become a performance expert yourself.


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