Measure the right candidate
Confirm the final URL, status, title, canonical URL, expected content, and candidate identity. A perfect score on an error page or stale deployment is not evidence.
Astro performance and accessibility
Make fast, accessible Astro output a repeatable result.
Astro creates a strong static-first foundation, but real scores still depend on images, fonts, third-party scripts, semantic HTML, metadata, caching, and the document actually audited.
What the process produces
- Mobile and desktop PageSpeed runs
- Performance budget and regression evidence
- Accessible navigation and controls
- Image and font optimization
- Per-page metadata and social previews
- Cache and header verification
Optimize the full delivery path
Control asset dimensions, responsive images, font loading, third-party code, CSS ownership, immutable build assets, and edge headers. Validate the result on a staged production build.
Treat accessibility and SEO as architecture
Use semantic controls, keyboard behavior, unique page metadata, structured data, discovery files, and human-readable navigation. These are content and component contracts, not final-pass patches.