What we check:
- Signal clarity (25 pts) — tdmrep.json, robots.txt, trust.txt present at apex
- Canonical hygiene (25 pts) — <link rel="canonical">, sitemap, OpenGraph
- Archive accessibility (25 pts) — homepage reachable, AI bots named in robots
- AI-readability (25 pts) — JSON-LD structured data, meta description, content depth