H
Historic Documentation Company, Inc.
About This Website
Serves government agencies, historic property owners and managers with surveys, permitting, US National Register nominations, HABS/HAER documents, restoration and conservation consulting and large format photography. Based in Portsmouth, Rhode Island.
H
AI GEO / SEO Diagnostic Report
How easily can AI assistants cite this website?
Grade C
📖 AI Readability
100/100
Weight: 18%
🏷️ Entity Coverage
50/100
Weight: 15%
🧱 Semantic Structure
80/100
Weight: 15%
🔗 Citation Quality
25/100
Weight: 16%
🧩 Chunk Quality
80/100
Weight: 12%
🕒 Freshness
40/100
Weight: 12%
🤖 AI Feed Ready
90/100
Weight: 12%
Why AI may struggle to cite your site
- Medium No canonical link — citation source is ambiguous.
- Low No JSON-LD structured data (Schema.org).
Issues detected
- No canonical link — citation source is ambiguous.
- No JSON-LD structured data (Schema.org).
GEO optimization suggestions
-
Add pointing to the preferred URL.↑ +10 Impact
-
Add JSON-LD (WebPage / Organization / Article) for machine clarity.↑ +12 Impact
AI GEO Score: 67 · Grade C
· Checked · 2026-07-24 15:14
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Directory Info
- Category: วัสดุอุตสาหกรรม
- Domain: historicdoc.com
- Listed: 2026-07-21
- Status: Verified listing