Astro Best Practices

Quality patterns for Astro island architecture, SEO strategy, and Core Web Vitals. Complements the astro skill (which covers syntax and directives) — this skill covers architecture decisions.

When to Use

• Reviewing an Astro site for quality or hydration decisions
• Deciding page-type SEO strategy
• Evaluating whether an island is justified
• Auditing Core Web Vitals or JS bundle size

Don't use for:

• Client directive syntax (use astro)
• SEO meta tag implementation details (use web-seo)
• Performance tooling and measurement (use web-performance)