Fine-grained everything - Rich Harris - performance.now() 2025

Modern front-end frameworks like Svelte are astonishingly fast at rendering, thanks to techniques such as signal-based fine-grained reactivity. But there's more to performance than updating the screen at 60 frames per second. In this talk, we'll learn about new approaches that help you build fast, reliable, data-efficient apps. Slides: https://fine-grained-everything.vercel.app/ *** A session from performance.now(), the web performance conference. Each November in Amsterdam; see https://perfnow.nl for more information. Conference announcements in your inbox? https://perfnow.nl/subscribe