loc.gov SEO & AI Search Report

Home | Library of Congress

The Library of Congress is the nation's oldest federal cultural institution, and it serves as the research arm of Congress. It is also the largest library in the world, with more than 162 million items. The collections include books, sound recordings, motion pictures, photographs, maps, and manuscripts.

Analyzed 6/2/2026, 1:44:17 PM · https://loc.gov

D50Overall

78B

SEO

45D

AI Visibility

Schema

75B

Technical

SEO

✓Title tag present10/10
✓Meta description present10/10
✓H1 heading present10/10
✗Canonical URL set0/10
✓Open Graph tags present10/10
✓sitemap.xml found10/10
✓robots.txt found10/10
◐Images have alt text8/10
✓Internal links present10/10
✗Structured data present0/10

AI Visibility (AEO)

✗Organization schema0/15
✗FAQ schema0/15
✓Substantive, descriptive content (heuristic)15/15
✓Company/brand identity (About page or Org schema)10/10
✗Author / publish date present0/10
✓Structured heading (single clear H1)10/10
✓External source/citation links10/10
✗Industry/location info0/10
✗Price/product info0/5

Schema

✗Any JSON-LD present0/20
✗Organization0/15
✗FAQPage0/15
✗LocalBusiness0/15
✗Article or Product0/15
✗Breadcrumb0/10
✗Author/date structured0/10

Technical

✓robots.txt found15/15
✓sitemap.xml found15/15
✗Canonical URL set0/15
✓Mobile viewport meta15/15
✓Language attribute set10/10
✓Open Graph tags10/10
✓Title length is optimal10/10
✗Description length is optimal0/10

How to improve

Based on this report, here are the highest-impact fixes for SEO and AI-search visibility:

→Canonical URL set: Add <link rel="canonical"> to prevent duplicate-content issues.
→Images have alt text: Add descriptive alt text to your images.
→Structured data present: Add JSON-LD structured data (Organization, FAQ, etc.).
→Organization schema: Add Organization JSON-LD so AI engines understand your brand.
→FAQ schema: Add FAQPage JSON-LD — AI answer engines frequently cite FAQs.
→Author / publish date present: Show an author and publish/updated date for credibility.
→Industry/location info: State your industry and location (LocalBusiness schema helps).
→Price/product info: Add Product/Offer details with pricing where relevant.
→Any JSON-LD present: Add JSON-LD structured data to your pages.
→Organization: Add Organization schema.
→FAQPage: Add FAQPage schema.
→LocalBusiness: Add LocalBusiness schema with address and hours.
→Article or Product: Add Article or Product schema as appropriate.
→Breadcrumb: Add BreadcrumbList schema for clearer navigation.
→Author/date structured: Mark up author and dates in your schema.
→Canonical URL set: Add <link rel="canonical"> to prevent duplicate-content issues.
→Description length is optimal: Aim for ~50–160 characters (longer is fine for CJK).

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United States

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