Astro

What is it

Astro is a modern web framework for building content-driven websites. It uses a novel architecture called “Islands” that delivers zero JavaScript by default, shipping static HTML to the browser and only loading JavaScript for interactive components when needed. It supports React, Vue, Svelte, and other frameworks simultaneously in the same project.

My Opinion

Astro is what happens when you actually optimize for the web, not for the framework wars. Most modern web frameworks ship megabytes of JavaScript to render content that could be static HTML. Astro starts with the question “how can we ship less JavaScript?” and builds the framework around the answer. This blog is powered by Astro, and the performance speaks for itself.

The “Islands” Architecture

The core innovation is the Islands architecture. You build static HTML pages, then sprinkle in interactive “islands” where needed. The rest of the page is pure HTML with zero JavaScript. Compare this to a typical React SPA, where everything is JavaScript and hydration blocks the main thread.

The performance difference is dramatic. A blog post doesn’t need React to render text. A marketing page doesn’t need Vue to show images. Astro lets you be surgical about where JavaScript lives.

The Multi-Framework Freedom

Astro doesn’t care what you use for your interactive components. You can use React, Vue, Svelte, Preact, or even vanilla JavaScript—all in the same project. This is liberating. You can use React for a component you already have, Svelte for something new, and not have to rewrite your entire codebase.

This flexibility also future-proofs your project. When the Next Hot Framework arrives, you can adopt it incrementally instead of rewriting everything.

The “Vite” Foundation

Astro is built on Vite, which means:

• Instant dev server startup
• Lightning-fast hot module replacement
• Native TypeScript support
• Rollup-based production builds

The developer experience is excellent. No waiting minutes for the dev server, no strange build errors, just a smooth workflow. Combined with pnpm for package management, the local development loop is as fast as it gets.

The “Content-Centric” Focus

Astro is explicitly designed for content-driven websites: blogs, marketing sites, documentation. It’s not a full-stack framework like Next.js with API routes, server actions, and edge middleware. If you need complex server-side logic, you’ll want something else.

For publishing Obsidian notes as a blog (like this site), Astro is perfect. Markdown/MDX support is first-class, and the content collections API makes managing hundreds of posts trivial.

The Cloudflare Acquisition

On January 16, 2026, Cloudflare announced it acquired the Astro Technology Company. This is significant— Cloudflare is betting heavily on Astro as the framework for content-driven sites. They’re already using it for their developer docs, website, and blog. The synergy makes sense: Cloudflare wants fast, edge-optimized sites, and Astro delivers exactly that.

This blog runs on Astro v6 (Beta), and overall I’m genuinely happy with it. The framework is solid, the development experience is excellent, and the performance is everything it promises. However, the current integration with Cloudflare is unstable—you’re reading this on a site that occasionally hits compute limits and behaves unpredictably. Hopefully this stabilizes once v6 leaves beta and the workerd runtime matures.

The “Maturing” Ecosystem

The ecosystem is growing fast, but it’s not as mature as React’s. You won’t find as many component libraries, plugins, or tutorials. The community is active but smaller. This is the price you pay for being on the bleeding edge.

That said, the Astro team ships at an impressive pace. Server Islands, Content Layer, and View Transitions have all landed in recent versions. The framework is maturing rapidly.

Conclusion

Astro is the best choice for content-driven websites where performance matters. The Islands architecture, multi-framework support, and Vite foundation make it a joy to use. If you’re building a blog, marketing site, or documentation—especially if you’re publishing from Obsidian—Astro should be your first choice. For complex applications with heavy server-side requirements, consider Next.js instead.