developmentastrotutorial

Building a Blog with Astro

How to create a modern, performant blog with Astro JS and why it's the right choice.

Gerome January 31, 2026 · 2 min read
TL;DR
  • Astro ships zero JavaScript by default - Content Collections provide type-safe MDX management - Islands Architecture keeps bundle sizes minimal - Perfect for blogs, docs, and content websites

Astro is a modern web framework perfectly suited for content-focused websites. In this article, we’ll look at why Astro is the right choice for a blog.

Why Astro?

  • Zero JavaScript by Default — Astro ships no JavaScript by default
  • Content Collections — Type-safe management of Markdown and MDX
  • Fast Build Times — Even with thousands of pages

Astro is optimized for content websites. It’s the fastest way to get content on the web.

— Fred K. Schott, Astro Creator

Islands Architecture

Astro uses a so-called Islands Architecture. Static parts of the page are delivered as pure HTML. Only interactive components load JavaScript — and only when they are needed.

Content Collections

With Content Collections you define a schema for blog posts using Zod. Frontmatter is validated, types are auto-generated. No more guessing whether a field exists.

Feature Astro Next.js Hugo
JS by Default No Yes No
MDX Support Yes Yes No
Build Speed Fast Medium Very fast
TypeScript Yes Yes No

That was a quick overview. More to come in future articles.

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