Next.js dominates with 3.4M weekly npm downloads and enterprise adoption, offering a mature ecosystem with Server Components and Vercel hosting integration, while SvelteKit provides a lighter framework (680K weekly downloads) with simpler reactivity and faster initial build times for smaller projects.
Next.js vs SvelteKit — Side-by-side comparison on A Versus B
React-based JavaScript framework with native support for SSR, SSG, API routes, and edge computing.
Lightweight Svelte-based framework with compiler-driven reactivity and minimal overhead.
Weekly NPM Downloads. Bundle Size (Hello World). Time to First Contentful Paint (avg). GitHub Stars. Server Components Support. Learning Curve (1-10, lower is better). Production Sites Using Framework
Choose Next.js if you're building enterprise applications, need extensive third-party integrations, require Server Components, or want the largest ecosystem and community support. Choose SvelteKit if you prioritize developer experience, want a smaller learning curve, need lightning-fast initial load times, or are building smaller to mid-scale projects where simplicity matters more than ecosystem size.
Next.js: Built-in and optimized | SvelteKit: N/A
Next.js: Native API routes included | SvelteKit: N/A
Next.js: Node.js server or serverless | SvelteKit: N/A
Next.js: Moderate (routing, SSR setup) | SvelteKit: N/A
Next.js: 800-1,200 ms (SSR/SSG) | SvelteKit: N/A
Next.js: 92 (native support) | SvelteKit: N/A
Next.js: Yes (file-based) | SvelteKit: N/A
Next.js: Yes (built-in) | SvelteKit: N/A
Next.js: 2-3 minutes (create-next-app) | SvelteKit: N/A
Next.js: 5 (SSR, CSR, SSG, ISR, PPR) | SvelteKit: N/A
Next.js: High (Vercel-dependent) | SvelteKit: N/A
Next.js: Moderate-High (RSC paradigm) | SvelteKit: N/A
Next.js: Yes (SSG + ISR + PPR) | SvelteKit: N/A
Next.js: ~180 KB (optimized) | SvelteKit: N/A
Next.js: 4/10 (moderate, flexible) | SvelteKit: N/A
Next.js: Yes, full serverless function support | SvelteKit: N/A
Next.js: Yes, full support | SvelteKit: N/A
Next.js: 62% prefer Next.js | SvelteKit: N/A
Next.js: Growing, strong in mid-market | SvelteKit: N/A
Default JavaScript Payload (Blog Homepage)
Next.js: Native (React Server Components) | SvelteKit: N/A
Time to First Interactive (Typical Blog)
Next.js: 104 weeks (v13.0+) | SvelteKit: N/A
Next.js: First-class, auto-generated types | SvelteKit: N/A
Next.js: 500K+ React packages | SvelteKit: N/A
Next.js: Yes—native with excellent tooling | SvelteKit: Yes—native with excellent tooling
Next.js: 4 (SSR, SSG, ISR, CSR) | SvelteKit: N/A
Next.js: 800+ official integrations | SvelteKit: N/A
Next.js: Node.js server required | SvelteKit: N/A
Market Adoption (% of surveyed developers)
Next.js: 42% of React framework users | SvelteKit: N/A
Next.js: 320,000 developers | SvelteKit: N/A
Next.js: No (third-party required) | SvelteKit: N/A
Next.js: 200-500ms (optimized) | SvelteKit: N/A
Next.js: 40-80 npm packages | SvelteKit: N/A
Next.js: SSR, SSG, ISR (hybrid) | SvelteKit: N/A
Next.js: 2-3 months (with React experience) | SvelteKit: N/A
Next.js: 3-5 minutes (create-next-app) | SvelteKit: N/A
Next.js: 100-300ms (Node.js cold starts) | SvelteKit: N/A
Next.js: Prisma/Drizzle (optional, third-party) | SvelteKit: N/A
Next.js: 0.2-0.5s per page (static generation) | SvelteKit: N/A
Next.js: 18M (npm registry) | SvelteKit: N/A
Next.js: Native TypeScript support (first-class) | SvelteKit: N/A
Next.js: $0-60/month (Vercel Hobby or traditional hosting) | SvelteKit: N/A
Next.js: 3200K (npm registry) | SvelteKit: N/A
Average Page Load Time (no optimization)
Next.js: 200-400 ms (with SSG) | SvelteKit: N/A
Next.js: Excellent (SSR, SSG, ISR) | SvelteKit: N/A
Learning Curve (for beginner developers)
Next.js: 30-50 hours (React required) | SvelteKit: N/A
Next.js: Native (React components) | SvelteKit: N/A
Next.js: 15-25 minutes (with dependencies) | SvelteKit: N/A
Next.js: NextAuth.js or Auth0 (external) | SvelteKit: N/A
Next.js: Native; Vercel/Cloudflare optimized | SvelteKit: N/A
Next.js: Requires third-party (Prisma/Drizzle) | SvelteKit: N/A
Next.js: NextAuth.js (optional, third-party) | SvelteKit: N/A
Next.js: First-class (Vercel native) | SvelteKit: N/A
Next.js: ~280 MB (node_modules) | SvelteKit: N/A
Next.js: Yes (App Router) | SvelteKit: No (server-only routes)
Next.js: First-class, zero-config support | SvelteKit: N/A
Next.js: Built-in and default for all projects | SvelteKit: N/A
Next.js: Yes, file-based automatic routing | SvelteKit: N/A
Typical JS Bundle Size (Simple Blog Page)
Next.js: ~85 KB (gzipped) | SvelteKit: N/A
Time to Interactive (TTI) - Content Site
Next.js: getStaticProps, getServerSideProps, fetch in API routes | SvelteKit: N/A
Next.js: ~150,000 stars | SvelteKit: N/A
Next.js: 1 (React only) | SvelteKit: N/A
Next.js: ~15-20 minutes | SvelteKit: N/A
Next.js: 400-800ms (static generation + edge) | SvelteKit: N/A
Next.js: 12-20 hours (manual setup required) | SvelteKit: N/A
Next.js: ~2,100,000 NPM packages | SvelteKit: N/A
Next.js: ~142,000 globally (2026) | SvelteKit: N/A
Next.js: 100-500ms (Vercel/Netlify) | SvelteKit: N/A
Next.js: Native ISR, sitemap gen, metadata API | SvelteKit: N/A
Next.js: 5 (React + JavaScript more intuitive) | SvelteKit: N/A
How to choose between Next.js and SvelteKit
Next.js vs SvelteKit — Structured Comparison Data
Machine-readable comparison dataset for Next.js vs SvelteKit. Contains 118 attribute comparisons, 5 FAQ pairs.
Next.js vs SvelteKit — Attribute Category Vocabulary
Taxonomy of attribute categories used to classify comparison data for Next.js vs SvelteKit.
Which framework is better for beginners?
SvelteKit is significantly better for beginners. It has a learning curve rating of 4/10 vs Next.js's 7/10, with intuitive reactive variable syntax ($let count = 0) instead of React hooks. Svelte's compiler-driven approach means less boilerplate code, making it ideal for developers new to modern frameworks.
Can I use Next.js and SvelteKit for the same project types?
Partially. Both support full-stack development, SSR/SSG, and API routes. However, Next.js excels with Server Components (App Router) for enterprise apps handling 100K+ requests/day, while SvelteKit shines for smaller projects under 50K monthly visitors due to its 65 KB bundle size vs Next.js's 148 KB. For data-heavy dashboards, Next.js is better; for lightweight content sites, SvelteKit wins.
Which has better ecosystem and third-party support?
Next.js dominates with 3.4M weekly downloads and 850K+ production sites, meaning 200K+ npm packages have Next.js-specific integrations. SvelteKit's 680K weekly downloads limit ecosystem availability. If you need integrations with Stripe, Auth0, or enterprise tools, Next.js has 10x more pre-built solutions available.
How do performance metrics compare in real-world applications?
SvelteKit wins on initial load: First Contentful Paint averages 1.2s vs Next.js's 1.8s, with a 56% smaller bundle size (65 KB vs 148 KB). However, Next.js optimizes cached pages and large-scale applications better. For a typical e-commerce site, SvelteKit loads 0.6s faster on first visit; Next.js catches up on repeat visits due to edge caching.
What's the deployment difference between the two?
Next.js integrates natively with Vercel (same company), offering one-click deployments, automatic edge optimization, and ISR (Incremental Static Regeneration). SvelteKit works anywhere (Netlify, AWS, Docker), but requires manual optimization setup. For teams deeply invested in Vercel's ecosystem, Next.js is frictionless; for multi-cloud strategies, SvelteKit is more flexible.
How to Choose Between Next.js and SvelteKit
Weekly NPM Downloads: Next.js has 3.4M, while SvelteKit has 680K.
Bundle Size (Hello World): Next.js has ~148 KB, while SvelteKit has ~65 KB.
Consider: Time to First Contentful Paint (avg)
Time to First Contentful Paint (avg): Next.js has 1.8s, while SvelteKit has 1.2s.
GitHub Stars: Next.js has 126K, while SvelteKit has 17.8K.
Server Components Support: Next.js has Yes (App Router), while SvelteKit has No (Server-only routes).
Consider: Learning Curve (1-10, lower is better)
Learning Curve (1-10, lower is better): Next.js has 7, while SvelteKit has 4.
Consider: Production Sites Using Framework
Production Sites Using Framework: Next.js has ~850K+, while SvelteKit has ~45K.