Why re-renders hurt performance and how you can fix them in Svelte 5

00:00:00 Introduction to DOM Re-renders and Performance 00:01:10 How Svelte's Architecture Reduces Re-renders 00:02:03 Introduction to svelte-render-scan 00:04:25 How to Install and Use svelte-render-scan 00:07:57 Svelte 5 Keyed vs Unkeyed Loops Performance Demo 📩 Check out svelte-render-scan here: https://khromov.github.io/svelte-render-scan/ 📲 Install in your project via: npm i -D svelte-render-scan Learn why re-renders hurt performance and how Svelte's architecture gives you a natural advantage. In this video, I introduce svelte-render-scan, a tool that helps you visualize DOM updates in your Svelte and SvelteKit applications.