Performance Optimization in Svelte
From the SvelteKit cheat sheet · Deployment · verified Jul 2026
Performance Optimization
Optimizing SvelteKit apps for production
javascript
// Prerendering pages
export const prerender = true;
export const ssr = true;
export const csr = true;
// Preloading data
<a href="/about" data-sveltekit-preload-data>
About
</a>⚡ Prerendering for static pages
📦 Code splitting with dynamic imports
🖼️ Image lazy loading and optimization
📊 Core Web Vitals monitoring