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Astro vs Next.js

Astro wins on content-heavy, performance-critical sites. Next.js wins on apps + complex interactivity.

Astro

Content-focused static-first framework, 0 JS by default.

Best for

Marketing site, blog, docs site, content-heavy. Performance-first.

Next.js

React-based full-stack framework, RSC + Server Actions.

Best for

Web apps, dashboards, e-commerce, complex interactivity, programmatic SEO at scale.

FeatureAstroNext.js
Default renderingStatic (SSG)Server Components
JS shipped to client0 by default (islands)RSC = 0, CC = full
UI frameworkAny (React, Vue, Svelte, Solid)React only
Best forContent sites, blogs, docsApps, dashboards, e-commerce
Build speed5-10× faster than NextStandard (90s for 770 pages)

Verdict

Astro wins on content-heavy, performance-critical sites. Next.js wins on apps + complex interactivity.

In depth

Astro launched in 2021 (Fred Schott — Open Web Components creator). Philosophy: zero JS by default — interactive components are "islands" hydrated on demand. Next.js launched in 2016 (Vercel) — React full-stack, App Router in 2023.

Architectural reality: Astro is multi-framework agnostic (React, Vue, Svelte, Solid mixable in one project). Next.js is React only but with deeper RSC + Server Actions integration. Astro builds 5-10× faster (770-page Next.js project: 90s, Astro equivalent: ~10-15s).

Deployment: both support Vercel/Cloudflare/Netlify. Astro's edge runtime is less mature.

Real-world choice: marketing site / blog / programmatic SEO with mostly static content → Astro. Next.js if you need RSC + complex auth + dashboards + e-commerce + frequent runtime mutations.

Craftwebstudio uses Next.js 15 by default — our admin panel + RSC + Server Actions + e-commerce roadmap need Next.js features. For a pure marketing site, Astro is a valid consideration.

Frequently asked questions

Do React components work in Astro?

Yes — Astro Islands. React components live in .jsx files, Astro renders them with optional hydration ("client:load"). Vue/Svelte/Solid work the same way.

Is Next.js → Astro migration worth it?

Marketing-only site is OK — 50-70% port effort. App / dashboard is a NO — RSC + Server Actions are absent in Astro. Most likely: hybrid (Astro marketing + Next.js app subdomain).

Does Astro support programmatic SEO?

Yes — getStaticPaths + .astro template. 1,000-page sites are possible. Our 770-page site would build faster on Astro (15s vs Next 90s), but the Next.js admin panel does not work on Astro.

Future trend: Astro vs Next.js?

Both growing. Astro 2024 v5 +47% adoption. Next.js dominates React jobs market. Long-term: Astro content + Next.js apps coexistence likely (not one or the other).

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