What It Checks
- HTTP status and redirects
- Title and meta description
- Canonical URL
- Robots meta and indexability hints
- H1, H2, and heading structure
- Word count and thin-content warnings
- Internal, external, and generic links
- Image alt text and dimensions
- JSON-LD and common schema types
- Open Graph and social profile signals
- Mobile viewport, language, hreflang, and favicon basics
- Local/contact signals when relevant
