Overview
SvelteKit breaks out of traditional single-page applications (SPA) and progressive web apps (PWA) by merging them with the best techniques from server-rendered websites. This approach allows websites to seamlessly transition from server-rendered code, ideal for content rich pages requiring high SEO, to a dynamic browser-rendered application perfect for optimizing a cart and checkout experience.
SvelteKit allows developers to create scalable, high-performance eCommerce applications with minimal effort. After two years of development, SvelteKit is now production ready with a 1.0 release and is the recommended way to build Svelte applications.
SvelteKit Features
SvelteKit provides the features you would expect from a modern web framework offering front-end developers the tools needed to create a fast and impressive web application. While SvelteKit lacks the large userbase of ReactJS, it offers unique features that make it stand out.
Compiled Code
Svelte is compiled before being served to a browser. This allows Svelte to go beyond JavaScript with new code, symbols, and techniques. This code is then compiled to raw JavaScript before being deployed. The JavaScript is then lighter-weight and more performant than forcing the browser to execute both the page specific code and the framework logic.
API Endpoints
SvelteKit has the ability to build API endpoints directly in the application. Any page names +server.js or +server.ts will be executed on the server and can return text, JSON, GraphQL or any needed data. These API endpoints are a great approach to building a back-end for front-end (BFF) in a composable commerce architecture.
Edge Computing
SvelteKit supports multiple deployment adapters, both standard and community supported that allow the application to be deployed to edge servers on Cloudflare, Netlify, Vercel and more. Leveraging the edge provides enhanced response times and performance for any global applications that need multi-region support.
Server Code
Page code can be executed on the server, client, or both depending on the requirements. Having the ability to include server-specific code takes server-side rendering (SSR) to a new level beyond the initial HTML and CSS. It also makes supporting noscript, screenreaders, and alternative devices much easier improving accessibility and reach.
SvelteKit FAQ's