Welcome words by our MCs
Tim Kadlec; Phil Hawksworth MCs
Introduction to day 2
Tim Kadlec Performance consultant & trainer Cloudflare
LoAF
Andy Davies Web Performance Consultant SpeedCurve
The Long Animation Frames (LoAF) API provides data on what Main Thread activity caused a long frame, overcoming limitations of the Long Tasks API. Learn how to use LoAF to understand and improve script performance.
Measuring Interactions and Navigations
Michal Mocny Google Chrome team
LCP and INP measure loading and responsiveness, but same‑document soft navigations blur those lines. Learn about new Performance APIs to measure interactions and navigations, how they work, and what's next.
React Rendering Techniques: Comparing Initial Load Performance
Nadia Makarevich
One app implemented with CSR, SSR, and RSC — then measured. Explore how each technique works, how they influence initial load, what RSC brings, and the trade‑offs.
Speculations about webperf
Barry Pollard Google
The Speculations Rules API introduces a declarative way to prefetch and prerender future navigations. Learn the latest features, safe deployment strategies, and what's coming next.
Teaching Agents about Performance insights
Vinicius Dallacqua Lead Developer
A deep‑dive into building a Performance AI assistant and agentic workflows on top of a Chrome DevTools fork. Lessons on communicating performance data to agents, which signals matter, and turning telemetry into actionable insights.
Fine-grained everything
Rich Harris Vercel
Modern frameworks like Svelte are fast thanks to signal‑based fine‑grained reactivity, but performance is more than 60fps. This talk covers new approaches to build fast, reliable, data‑efficient apps.