Astro is a JavaScript web framework optimized for building fast, content-driven websites like marketing sites, blogs, and e-commerce stores. Its performance comes from a server-first rendering approach, which sends minimal, lightweight HTML to the browser and avoids unnecessary JavaScript overhead. A key feature is Astro Islands, a unique architecture that optimizes page load performance to improve Core Web Vitals and SEO.
Astro offers maximum flexibility with zero lock-in, allowing you to:
This makes it a powerful choice for creating high-performance web applications and dynamic server APIs without being locked into a single technology stack.