Astro has become my go-to framework for content-heavy sites.Astro 6.0 shipped in early 2026 with reworked content collections and faster builds — a meaningful leap from the 4.x era. The core idea is compelling: ship less JavaScript, load faster, rank better.
The island architecture
Astro pioneered the “islands” approach — most of your page is static HTML, and only the interactive parts load JavaScript.The term “islands architecture” was coined by Katie Sylor-Miller and later popularized by Jason Miller (Preact). The metaphor: interactive widgets are islands in a sea of static HTML. For a blog, this means:
- Zero JS by default — pages are pure HTML and CSS
- Framework agnostic — use React, Vue, Svelte, or nothing at all
- Content collections — type-safe markdown with schema validation
Content collections
Astro’s content collections give you a type-safe way to manage your content:
const blog = defineCollection({
schema: z.object({
title: z.string(),
date: z.coerce.date(),
tags: z.array(z.string()).optional(),
}),
});You define a schema, and Astro validates every markdown file against it at build time.Schema validation catches common frontmatter mistakes — typos in dates, missing required fields — before they reach production. Typos in frontmatter get caught before they hit production.
Performance
The result speaks for itself. A typical Astro blog scores 100 across all Lighthouse categories. No hydration overhead, no framework runtime, no unnecessary client bundles.
For a personal blog, this is exactly right. The content is the product — everything else should get out of the way.