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Astro vs Next.js: choosing a modern web stack
When I reach for Astro, when I reach for Next.js, and why the answer is usually "it depends on the interactivity".
Both are excellent — they just optimise for different things.
Reach for Astro when…
- The site is mostly content — marketing, blogs, docs, portfolios.
- You want near-zero JavaScript by default and blazing load times.
- You like using React/Vue/Svelte components only where you actually need them (islands).
Reach for Next.js when…
- The product is a full app — dashboards, auth, heavy interactivity.
- You need server components, streaming and a large React ecosystem.
The short version
Content-first? Astro. App-first? Next.js. This very site is Astro — static pages that load instantly, with a few interactive islands for the calculator and chatbot.
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