medlineplus.gov 75 B
🛡️ SEO 59 🤖 GEO 81 ⚡ Perf 68 🏗️ Arch 93

medlineplus.gov — Global SEODiff Score 75/100

medlineplus.gov
📊

At 77/100, the ACRI for medlineplus.gov indicates strong fundamentals in AI extractability, surpassing the majority of indexed sites. In the government sector, medlineplus.gov outperforms the average (58), suggesting strong competitive positioning in AI search. Server-side rendering keeps the ghost ratio near zero, giving AI systems direct access to all visible content. With a 3.0× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. Structured data coverage is solid at 2 blocks, covering core entities — expanding to include FAQ or Breadcrumb schemas could strengthen the profile further. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

75
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (59) is your bottleneck.
🎯 Top Fix: Monitor weekly to catch regressions early
🔬 Automated SEODiff Assessment · Snapshot: Feb 28, 2026 · 📋 API
📈 ACRI Trend 2 snapshots
Feb 28 Feb 28
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)59 × 0.25 = 14.8
🤖 AI Readiness / GEO (40% weight)81 × 0.40 = 32.4
⚡ Performance (20% weight)68 × 0.20 = 13.6
🏗️ Architecture & Trust (15% weight)93 × 0.15 = 13.9
Weighted sum = 14.8 + 32.4 + 13.6 + 13.9
Global SEODiff Score = 75 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
52
Structure
avg 36
44
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 0.3%
Rank #2633
+14 pts
Gap
AI (ACRI)
Top 14%
Score 77/100

medlineplus.gov shows stronger AI visibility than traditional SEO ranking. Great AI foundation to build on. ACRI measures technical crawler readiness. Read the methodology →

Why medlineplus.gov ranks here

Tech stackCustom / Proprietary
Industrygovernment
RenderingSSR
Schema coverage2 blocks
Token bloat3.0×

Fastest improvements

  • You’re already in decent shape — the next moat is monitoring drift over time.
  • Create an llms.txt file so AI crawlers can discover your content structure without heavy crawling. Generate llms.txt →
  • Run a full entropy audit to find which DOM regions waste the most tokens. Run Entropy Audit →
🧪

JavaScript Rendering Check

We check what AI crawlers miss when they skip JavaScript execution.

Running headless browser to simulate AI extraction…
🛡️

Traditional SEO

59/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

70 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

204 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✗ Has <h2> headings — found 0
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://medlineplus.gov/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en
  • ✓ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — MedlinePlus - Health Information from the National Library of Medicine
  • ✓ og:description — Find information on health conditions, wellness issues, and more in easy-to-read language on MedlinePlus, the up-to-date, trusted health information site from the NIH and the National Library of Medicine.
  • ✓ og:image — preview
  • ✓ twitter:card — summary_large_image
📐 How the SEO Pillar score is calculated

SEO Pillar = Title (20 pts) + Meta Desc (20 pts) + Heading Hierarchy (20 pts) + Indexability (20 pts) + Social/OG (20 pts)

Each sub-score is derived from the checks above. Canonical tag, lang attribute, og:image, and a single H1 are the highest-impact items.

🤖

AI Readiness / GEO

81/100 40 % of Global Score 🟢 High Confidence

This pillar aggregates citation share, hallucination risk, bot access, schema health, and content extractability. The individual diagnostic sections below contribute to this score.

🔗

Citation Alternatives

Research
💡
Insight: In the government sector, gep.com (ACRI: 83) currently has stronger AI extractability. AI models tend to prefer sources with higher semantic structure and schema coverage. Domains with ACRI < 40 see 3.5× more hallucinations. Read the research →
medlineplus.gov
59
Your ACRI Score
83
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. gep.com has schema coverage of 3 blocks and uses Drupal. Improve your score by implementing the remediation patches below.
📊 Side-by-Side Comparison →
🚨

Hallucination Risk

Research

Is AI lying about your brand? This panel measures how likely LLMs are to hallucinate facts when extracting information from your page.

Analyzing hallucination risk…

🤖 Bot Access Matrix

GPTBot (OpenAI)
Allowed
ClaudeBot (Anthropic)
Allowed
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed

👻 Rendering (Ghost Ratio) Docs

Ghost Ratio 5%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 52/100 — Fair
Structured Elements 29 elements (29 lists, 0 rows, 0 headers)
Total Words359
Raw Density8.1%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks2 block(s) — Basic (low value for AI)

Schema Coverage Map

2/7 schema types detected
✅ Organization
❌ Product/Service
❌ Breadcrumb
❌ FAQ
❌ Article
✅ WebSite
💡Product / Service schema missing. AI models don't know this is a SaaS product. Add Product or SoftwareApplication schema so AI understands what you offer and can surface pricing/features.
💡BreadcrumbList schema missing. AI cannot understand your site hierarchy or how pages relate to each other.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.

📐 AI Efficiency Metrics Docs

71
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability71/100 — AI models can easily extract answers from this page
Crawl CostLow (10/100) — efficient for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

33%
🗑️ 67%
Useful Content (8.5 KB)Bloat (17.3 KB)
Token Bloat Ratio3.0× — Lean

Multimodal Readiness

Visual Context63% Optimized for Vision
Image Alt Coverage5 / 8 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

50 Entropy
Fair Token Bloat: Medium
Noise Ratio: 67.1% · SNR: 0.49 · Signal: 2175 / Noise: 4436 tokens

🔬 AI-Crawler Simulation

See your website the way AI crawlers do. CSS stripped, structure labeled, content chunked.

🌐
This is what humans see — styled, branded, visual.
Toggle to "AI Agent View" to see what GPTBot, ClaudeBot, and other AI crawlers actually extract from this page.
🤖

AI Answer Preview

NEW

See how AI models summarize your site. Left: your actual content. Right: what the LLM extracts and says about you.

Simulating AI extraction…
🧠

The LLM Interpretation

AI-VERIFIED

A local LLM (mlx-community/gemma-3-4b-it-qat-4bit) analyzed the extracted content of medlineplus.gov and produced this structured business intelligence. Fields marked SEMANTIC VOID indicate information the AI could not find — a critical gap in your site’s machine-readability.

Core Offering
MedlinePlus provides free, reliable health information to patients and their support networks.
Target Audience
Patients, families, and friends seeking health information.
Pricing Model
Free to access online health information.
🏆 Competitive Moat
National Library of Medicine (NLM) resource, trusted health information.
📊 Content Depth
5/10
Model: mlx-community/gemma-3-4b-it-qat-4bit · Analyzed: 2026-02-28 · Data extracted from the site’s main content via strict JSON prompting.

🔧 Tech Stack

AI-Readiness Score50/100
ServerAmazonS3
CDN
HTTP Status200
Load Time1201 ms
Raw HTML Size25.8 KB
Visible Text Size8.5 KB

Performance & Speed

68/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1201 ms
Slow — bots may time out or deprioritise

Google considers <200 ms "good". AI crawlers may have even shorter timeouts.

📦 Page Weight

304
DOM nodes
26 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

0
tracker scripts
0
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
📐 How the Performance Pillar score is calculated

Perf Pillar = TTFB (35 pts) + Page Weight (25 pts) + Cache/CDN (20 pts) + Tracker Tax (20 pts)

TTFB <200 ms = full marks. DOM >3000 or payload >300 KB incurs heavy penalties. Tracker scripts beyond 5 reduce score.

🏗️

Architecture & Trust

93/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://medlineplus.gov/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

43
internal links
11
external links
Good internal linking — helps crawlers discover content

🔒 Security & Trust

  • ✓ HSTS header (Strict-Transport-Security)
  • ✓ Content-Security-Policy header
  • ✓ HTTP status 200 OK (got 200)

♿ Accessibility Signals

  • ✓ HTML lang attribute → en
  • ✓ Meta viewport for mobile
  • ✓ Single H1 for screen readers
📐 How the Architecture Pillar score is calculated

Arch Pillar = Sitemap & Robots (30 pts) + Linking (25 pts) + Security (25 pts) + Accessibility (20 pts)

Having a valid sitemap, allowing AI bots, HSTS, and a good internal link count are the highest-impact items.

🏅 AI-Verified Trust Badge

Your site scores 59/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for medlineplus.gov
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/medlineplus.gov" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=medlineplus.gov" alt="AI-Verified by SEODiff" width="280" height="52"></a>

💡 Paste in your site footer, GitHub README, or email signature. Badge updates automatically as your score changes.

� Deep Crawl Analysis 1002 pages · Deep-10

Homepage ACRI
59
Single-page score
+29
Subpages outperform homepage
Δ delta
Site-Wide ACRI
88
Avg across 1002 pages · Range 47–95
Topical Cohesion
4%
Topical Drift
TF-IDF cosine similarity
Total Words
886172
Avg Bloat
8.1×
Page Type ACRI Token Bloat Words Status
https://medlineplus.gov/ency/article/001066.htm
Spinal cord trauma: MedlinePlus Medical Encyclopedia
blog 95 4.3× 1963
https://medlineplus.gov/ency/article/000362.htm
Anorexia: MedlinePlus Medical Encyclopedia
blog 95 4.9× 1509
https://medlineplus.gov/ency/article/000850.htm
Melanoma: MedlinePlus Medical Encyclopedia
blog 95 4.9× 1658
https://medlineplus.gov/ency/article/000442.htm
Herniated disk: MedlinePlus Medical Encyclopedia
blog 95 4.7× 1640
https://medlineplus.gov/ency/article/000423.htm
Osteoarthritis: MedlinePlus Medical Encyclopedia
blog 95 5.0× 1610
https://medlineplus.gov/ency/article/000944.htm
Alcohol use disorder: MedlinePlus Medical Encyclopedia
blog 95 4.7× 1761
https://medlineplus.gov/ency/article/000945.htm
Major depression: MedlinePlus Medical Encyclopedia
blog 95 4.8× 1625
https://medlineplus.gov/ency/article/000913.htm
Breast cancer: MedlinePlus Medical Encyclopedia
blog 95 4.4× 2030
https://medlineplus.gov/ency/article/000468.htm
High blood pressure in adults - hypertension: MedlinePlus Medical Encyclopedia
pricing 95 4.2× 2140 💰 Pricing
https://medlineplus.gov/ency/article/000249.htm
Crohn disease: MedlinePlus Medical Encyclopedia
blog 95 4.6× 1904
https://medlineplus.gov/ency/article/000438.htm
Rotator cuff problems: MedlinePlus Medical Encyclopedia
blog 95 5.0× 1497
https://medlineplus.gov/ency/article/000486.htm
Bladder cancer: MedlinePlus Medical Encyclopedia
blog 95 4.9× 1591
https://medlineplus.gov/ency/article/000709.htm
Migraine: MedlinePlus Medical Encyclopedia
blog 95 4.3× 1883
https://medlineplus.gov/ency/article/000141.htm
Asthma: MedlinePlus Medical Encyclopedia
blog 95 4.9× 1824
https://medlineplus.gov/ency/article/000305.htm
Type 1 diabetes: MedlinePlus Medical Encyclopedia
blog 95 3.2× 3246
https://medlineplus.gov/ency/article/000195.htm
Heart attack: MedlinePlus Medical Encyclopedia
blog 95 4.8× 1745
https://medlineplus.gov/ency/article/000198.htm
Stable angina: MedlinePlus Medical Encyclopedia
blog 95 4.8× 1639
https://medlineplus.gov/ency/article/000201.htm
Unstable angina: MedlinePlus Medical Encyclopedia
blog 95 4.7× 1675
https://medlineplus.gov/ency/article/000726.htm
Stroke: MedlinePlus Medical Encyclopedia
blog 95 4.2× 2299
https://medlineplus.gov/ency/article/001000.htm
Age-related macular degeneration: MedlinePlus Medical Encyclopedia
blog 95 4.9× 1514
Showing 20 of 100 pages. Unlock full subpage table →
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/ency/ 500 90 0% 7.3× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 1002 pages
support.nlm.nih.gov ×1002
nlm.nih.gov ×1002
hhs.gov ×1002
adam.com ×1000
accreditnet.urac.org ×1000
pubmed.ncbi.nlm.nih.gov ×218
cancer.gov ×50
cdc.gov ×46
🔄 Re-Crawl & Update 📡 Track this Domain

Scores update automatically each month. Create a free account for on-demand re-crawls (3/month free).

🔌 API Access

Pull this data programmatically. All sub-page metrics are available via our public API.

curl https://seodiff.io/api/v1/deep10/domain/medlineplus.gov

Get your free API key — 100 requests/month included.

🔗 Similar government Sites

Domains with a similar tech stack, industry, and AI readiness profile to medlineplus.gov. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
medlineplus.gov (this site) 59 77 Custom / Proprietary 3.0× 2
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🎭

Bait & Switch Delta

A 15 PAGES

Compares your homepage rendering quality with inner pages. A high drift score means AI crawlers see a polished homepage but degraded inner content — the "bait & switch" that erodes trust.

47
Homepage ACRI
68
Inner Avg ACRI
-21
ACRI Delta
20%
Homepage Ghost
1%
Inner Avg Ghost
0
Drift Score [?]
Worst Inner Pages
47 20% support https://medlineplus.gov/faq
70 0% blog https://medlineplus.gov/ency/article/000368.htm
70 0% blog https://medlineplus.gov/ency/article/000251.htm
🛡️

E-E-A-T Trust Signals

F 15/100

Trust indicators extracted from surface pages. These signals help AI systems verify your site's Experience, Expertise, Authoritativeness, and Trustworthiness.

Physical Address
Phone Number
Email Contact
About Page
Contact Page
Privacy Policy
Terms of Service
Named Leadership
🔗

Citation Profile

6 DOMAINS

Outbound citation patterns across surface-crawled pages. Sites that cite diverse, authoritative sources signal higher E-E-A-T to AI systems.

73
Total Links
6
Unique Domains
4.9
Avg/Page
8%
Diversity
hhs.gov nlm.nih.gov support.nlm.nih.gov accreditnet.urac.org adam.com nih.gov
🏘️ Outbound Neighborhood Trust Avg Trust: 1.0

AI trust scores for the domains medlineplus.gov links to. Citing high-trust sources lifts your own credibility signal.

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to medlineplus.gov. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

Add FAQ Schema
Medium Impact ⏱ 10 min
FAQ schema lets AI models directly extract Q&A pairs. This is the easiest way to get featured in AI responses.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "What is Medlineplus?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Medlineplus does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Medlineplus work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Medlineplus."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for medlineplus.gov:

Current Score
77
Projected Score
80
Improvement
+3 pts
Add FAQ schema +3 pts

*Estimates based on SEODiff's scoring model. Actual results depend on implementation quality.

📋 Data Export

Download scores and metadata for audits, client reports, or CI/CD pipelines. Exports contain computed metrics only (no copyrighted content).

All data is generated automatically and updated with each crawl. JSON exports contain scores and metadata only (no copyrighted content).

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🧭 Self-Diffing (Private Layer)

For owned domains, combine this world snapshot with private drift + regression history.
Template Drift
Track in My Site
Drift → Traffic Impact
In development coming soon
Regression Incidents
Track in My Site
Internal Linking
Deep Audit graph
Semantic Structure
GEO view in Deep Audit
Content Quality
Thin/duplicate tracking

🕒 History

Score over timeAvailable in My Site history
Drift eventsTemplate timeline + incidents
Drift → Revenue AttributionComing soon
Schema/rendering/extractability changesTracked per scan in project history