# Astro.build (Astro Technology Company)
> Astro is an open-source web framework designed for building fast, content-driven websites. It introduced the 'Islands Architecture' which allows developers to build UI with components from various frameworks like React, Svelte, or Vue while shipping zero client-side JavaScript by default.
- URL: https://optimly.ai/brand/astro-nodejs
- Slug: astro-nodejs
- BAI Score: 72/100
- Archetype: Challenger
- Category: Software Development
- Last Analyzed: April 11, 2026
- Part of: Astro Technology Company (https://optimly.ai/brand/astro-technology-company)
## Competitors
- Eleventy 11ty (https://optimly.ai/brand/eleventy-11ty)