Next.js vs. Astro
Next.js vs. Astro · which one for your site?
Two great frameworks, different shapes. Next.js is a React-first full-stack app framework. Astro is a content-first static generator with React/Vue/Svelte islands.
option ANext.jsoption BAstroserviceWebsites, web apps & online shops
→ Verdict
Product-shaped site with dynamic UI? Next.js. Marketing site + blog + mostly-static docs? Astro usually wins on weight and perf. Our own site is Next.js because we need dynamic OG images, APIs, and typed routing.
Pick a topic
When to pick which
A · Pick this when…
Next.js
- 01You need API routes, server actions, RSC, middleware
- 02Your site has interactive product-style UI
- 03You already have a React team
- 04You want multi-tenant, i18n, image optimization out of the box
B · Pick that when…
Astro
- 01Your site is mostly content (marketing, blog, docs)
- 02You want MDX + low JS shipped to the client
- 03You want to mix frameworks (React + Svelte + Vue)
- 04Pure static output on a CDN is enough
Factors to weigh
Factor-by-factor
| Factors to weigh | Next.js | Astro |
|---|---|---|
| Default JS shipped | ~30-80 KB baseline (RSC can lower) | ~0 KB by default (islands opt-in) |
| Server features | RSC, middleware, server actions, edge | Minimal; server endpoints possible |
| Content formats | MDX via plugin, decent content workflow | First-class MDX, Content Collections, type-safe |
| Ecosystem | Largest React ecosystem | Growing fast, React bridge included |
| Image + i18n | Built-in | Built-in (since 3.x) |
| Best fit | Product + marketing mixed | Content-first sites |
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