Astro's HTML-first philosophy is having a moment. A post on Hacker News this week about doubling user growth by going HTML-first cracked the top 10 with 383 points, and the replies were full of developers reconsidering their stacks.
The short version: ship less JavaScript, get faster sites, keep more visitors. Astro is purpose-built for exactly this. And when you pair it with Cosmic as your content layer, you get a stack that is fast to build, fast to run, and easy for non-developers to manage content without touching code.
This tutorial walks through building a production-ready blog with Astro and Cosmic from scratch.
Why Astro + Cosmic
Astro generates zero-JavaScript HTML by default. Every page is a static file until you opt into interactivity with islands. That means:
