Are you losing revenue to performance? 53% of mobile site visits are abandoned if a page takes longer than 3 seconds to load. Performance is important. Tooling can be hard. Do flame charts intimidate you? Come learn how to audit and fix common performance issues using Chrome DevTools, Lighthouse, PageSpeed Insights, and webpagetest.org. In this hands-on workshop, we’ll learn about the most common performance pitfalls and fix latency, image, and JavaScript issues in a sample web application. You must understand HTML, CSS, JavaScript, and running npm scripts to get the most out of this workshop. Understanding webpack is helpful but not required.

Performance is important. Tooling can be hard. Do flame charts and waterfalls intimidate you? Come learn how to use common performance tools such as Chrome DevTools, Lighthouse, and webpagetest.org. We'll profile several websites with different performance issues to illustrate how to use each tool. In this talk, I'll live-profile several sites to help you see how to approach performance analysis. It's best if you already know how to use the Chrome Dev Tools inspector, but we will approach the performance tools from a beginner's starting point. Attendees should be comfortable with HTML at a minimum.

Help! My app bundle is 5MB! My users are angry that my app is so slow! It’s easy to forget that performance matters when we are under pressure to deliver features quickly. What data should we use to inform our decisions? From code splitting, lazy loading, and tree shaking to bundle analysis, progressive rendering, and modern transpiling, come learn how you can deliver a better experience to your users with high-performing front-end apps. This talk is library-agnostic (React, Angular, Vue, etc.).

Webmentions are an exciting standard which help enable the IndieWeb. We can own our own content, hosted on our own domains, without sacrificing social connection and replies with other people! Eleventy is JavaScript-based static site generator that requires no client-side JavaScript, making it performant by default.