Schedule: UX optimization sessions

Despite spending countless hours optimizing our own sites, many of us still look at sites like Amazon's or the Guardian's in awe, wondering how they are still so much more performant. What are they doing differently? David Fox reverse engineers these sites, shedding light on the various tricks and optimizations they have and we don't. Read more.

Ten years into the smartphone era, our media consumption is growing at an alarming rate, increasing page weights along the way. Henri-R Brisard discusses image formats, their impact on browsing from a rendering to a UX perspective, the tools and processes in place to address their mismanagement, and the reasons developers must exercise vigilance in a growing and worldly audience of users. Read more.

Perceived performance, in the end, is the only performance that truly matters. If what we make doesn't feel fast, then no amount of optimization counts. Eli Fitch breaks down the psychology of how users perceive time and how we can combine that knowledge with clever use of animation, unconventional event listeners, and predictive design to make our experiences seem faster than they actually are. Read more.

David Wells explores how to use React, markdown, service workers, CDNs, and serverless computing to build cost-effective, infinitely scalable, secure offline-first sites, blogs, docs, and SaaS products using the same code base. Join in to find out why “static” websites aren’t so static anymore and how they can deliver a state-of-the-art user experience using progressive web app techniques. Read more.