sdstate.edu 49 D
🛡️ SEO 44 🤖 GEO 83 ⚡ Perf 65 🏗️ Arch 86

sdstate.edu — Global SEODiff Score 49/100

sdstate.edu
📊

AI crawlers face major barriers indexing sdstate.edu, resulting in a low 15/100 ACRI rating that demands urgent attention. Compared to other education sites (avg score: 57), sdstate.edu is trailing the benchmark, indicating room for competitive improvement. Content is delivered server-side, meaning bots and AI agents can parse the full page without executing JavaScript. A tight 3.3× token bloat ratio reflects disciplined markup: minimal noise between the crawler and the content it needs. The complete absence of JSON-LD schema is a missed opportunity: even basic Organization markup would improve how AI crawlers understand this domain. Partial bot access means the domain is visible to some AI systems but not accessible to others — GPTBot and ClaudeBot remain blocked.

49
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Traditional SEO (44) has the most room for improvement.
🎯 Top Fix: Allow GPTBot + ClaudeBot in robots.txt → lift the score cap
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 11 Content change detected
Does your site score higher than sdstate.edu?
Run the same 40-signal audit on your own domain — free, instant results.
Scan Your Site Free →
🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)44 × 0.25 = 11.0
🤖 AI Readiness / GEO (40% weight)83 × 0.40 = 33.2
⚡ Performance (20% weight)65 × 0.20 = 13.0
🏗️ Architecture & Trust (15% weight)86 × 0.15 = 12.9
Weighted sum = 11.0 + 33.2 + 13.0 + 12.9
⚠️ Fatal multiplier: All major AI bots blocked → ×0.5
Global SEODiff Score = 49 (D)
🚫
Gatekeeper Rule: Score cannot exceed 15. Both GPTBot and ClaudeBot are blocked in robots.txt. No major AI assistant can cite this site. Allow at least one major AI crawler to lift the cap. See Bot Access →
📊 ACRI Sub-Scores (AI Readiness Detail)
60
Bot Access
avg 92
100
Rendering
avg 93
77
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 3%
Rank #34649
+64 pts
Gap
AI (ACRI)
Top 67%
Score 15/100

sdstate.edu punches above its weight in AI — AI visibility exceeds Google ranking. This is a competitive moat worth protecting. ACRI measures technical crawler readiness. Read the methodology →

Why sdstate.edu ranks here

Tech stackDrupal
Industryeducation
RenderingSSR
Schema coverage0 blocks
Token bloat3.3×

Fastest improvements

  • Allow GPTBot in robots.txt so AI crawlers can access your pages (see Crawl Access).
  • Allow ClaudeBot (many assistants rely on it) — blocking it often correlates with “AI invisibility.”
  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • 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

44/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

70 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

38 chars
Too short

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://www.sdstate.edu
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — South Dakota State University Homepage
  • ✗ og:description
  • ✗ og:image
  • ✓ twitter:card — summary
📐 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

83/100 40 % of Global Score 🟡 Medium 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 education sector, educationdirectory.com.au (ACRI: 86) 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 →
sdstate.edu
63
Your ACRI Score
86
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. educationdirectory.com.au has schema coverage of 4 blocks and uses Custom / Proprietary. 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)
Blocked
ClaudeBot (Anthropic)
Blocked
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed
💡GPTBot is blocked. To appear in ChatGPT citations, add Allow: / under User-agent: GPTBot in your robots.txt.
💡ClaudeBot is blocked. To be cited by Claude, allow ClaudeBot in robots.txt.

👻 Rendering (Ghost Ratio) Docs

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

📊 Structure & Information Density Docs

Structure Grade 77/100 — Good
Structured Elements 154 elements (154 lists, 0 rows, 0 headers)
Total Words857
Raw Density18.0%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks0 — No JSON-LD detected

Schema Coverage Map

0/7 schema types detected
❌ Organization
❌ Product/Service
❌ Breadcrumb
❌ FAQ
❌ Article
❌ WebSite
💡Organization schema missing. AI models cannot identify your brand entity. Without it, your brand won't appear in Knowledge Panels or be associated with your content.
💡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.
💡WebSite schema missing. Add WebSite + SearchAction so Google can generate a Sitelinks Search Box for your brand in AI results.

📐 AI Efficiency Metrics Docs

68
AI Extractability
Low
Crawl Cost
Medium
Blocklist Risk
Extractability68/100 — AI models can partially extract answers from this page
Crawl CostLow (30/100) — efficient for AI crawlers to process
Blocklist RiskMedium — 2 of 5 AI crawlers blocked

Token Bloat Research

30%
🗑️ 70%
Useful Content (26.1 KB)Bloat (59.1 KB)
Token Bloat Ratio3.3× — Lean

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage31 / 31 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

43 Entropy
Fair Token Bloat: Medium
Noise Ratio: 69.4% · SNR: 0.44 · Signal: 6672 / Noise: 15126 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

SEODiff AI analyzed the extracted content of sdstate.edu 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
The Department of Veterinary and Biomedical Sciences provides diagnostic, analytical, research, extension, and teaching services related to animal and human
Target Audience
Veterinarians, animal owners, researchers, pre-veterinary students, graduate students, and extension educators.
Pricing Model
⚠ SEMANTIC VOID
🔗 Integration Partners
U.S. Department of Agriculture Food Emergency Response NetworkU.S. Department of Agriculture National Animal Health Laboratory NetworkFood and Drug Administration GenomeTrakr programFood and Drug Administration Veterinary Investigation Response Network (Vet-LIRN)
🛡️ Compliance Standards
South Dakota codified law (1967)South Dakota codified law
🏆 Competitive Moat
The department’s unique combination of a state-level animal health diagnostic laboratory, research capabilities, and extension services, combined with a strong focus on zoonotic diseases and One Health principles, creates a significant barrier to entry.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Integration directory pagesTemplate comparison pages
⚡ Key Pain Points
• Lack of an undergraduate degree program
• Limited online resources for general animal owners
Analyzed by SEODiff AI · 2026-03-02

🔧 Tech Stack

FrameworkDrupal
AI-Readiness Score70/100
Servernginx
CDN
HTTP Status200
Load Time817 ms
Raw HTML Size85.2 KB
Visible Text Size26.1 KB

Performance & Speed

65/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

817 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

950
DOM nodes
85 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=86400, public
  • ✗ 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

86/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✗ Sitemap declared in robots.txt
  • ✓ Googlebot allowed
  • ✗ GPTBot allowed
  • ✗ ClaudeBot allowed

🔗 Linking

182
internal links
28
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 63/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for sdstate.edu
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/sdstate.edu" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=sdstate.edu" 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 94 pages · Deep-10

Homepage ACRI
63
Single-page score
-32
Severe hidden bloat
Δ delta
Site-Wide ACRI
31
Avg across 94 pages · Range 0–67
🔍
Hidden Bloat Detected

Homepage scores 63, but internal pages average only 31 — a -32-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
2%
Topical Drift
TF-IDF cosine similarity
Total Words
19378
Avg Bloat
50.3×
Page Type ACRI Token Bloat Words Status
https://www.sdstate.edu/veterinary-biomedical-sciences/about
About the Department of Veterinary and Biomedical Sciences | South Dakota State University
pricing 67 13.2× 1628 💰 Pricing
https://www.sdstate.edu/dairy-and-food-science/about
About the Department of Dairy and Food Science | South Dakota State University
pricing 67 12.1× 2158 💰 Pricing
https://www.sdstate.edu/military-science/about
About the Army ROTC | South Dakota State University
pricing 64 19.1× 854 💰 Pricing
https://www.sdstate.edu/south-dakota-art-museum/about
About the South Dakota Art Museum | South Dakota State University
pricing 59 26.8× 582 💰 Pricing
https://www.sdstate.edu/geography-and-geospatial-sciences/about
About the Department of Geography and Geospatial Sciences | South Dakota State University
pricing 59 20.6× 933 💰 Pricing
https://www.sdstate.edu/mechanical-engineering/about
About the Department of Mechanical Engineering | South Dakota State University
pricing 59 24.0× 625 💰 Pricing
https://www.sdstate.edu/center-excellence-bison-studies/resources
Center of Excellence for Bison Studies – Bison Resources | South Dakota State University
pricing 59 25.8× 667 💰 Pricing
https://www.sdstate.edu/pharmacy-allied-health-professions/about
About the College of Pharmacy and Allied Health Professions | South Dakota State University
pricing 59 20.6× 943 💰 Pricing
https://www.sdstate.edu/office-multicultural-affairs-accessibility/disability-services/resources
Student Accessibility Resources | South Dakota State University
pricing 59 26.9× 695 💰 Pricing
https://www.sdstate.edu/education-and-human-sciences/about
About the College of Education and Human Sciences | South Dakota State University
pricing 59 23.6× 642 💰 Pricing
https://www.sdstate.edu/agronomy-horticulture-plant-science/about
About the Department of Agronomy, Horticulture and Plant Science | South Dakota State University
pricing 59 21.8× 640 💰 Pricing
https://www.sdstate.edu/aerospace-studies-air-force-rotc/about
About the Department of Aerospace Studies | South Dakota State University
pricing 59 22.0× 584 💰 Pricing
https://www.sdstate.edu/office-title-ixequal-opportunity/compliance
Title IX/Equal Opportunity Compliance | South Dakota State University
pricing 59 24.7× 568 💰 Pricing
https://www.sdstate.edu/strengthening-heartland/resources
Resources – Strengthening the Heartland | South Dakota State University
pricing 49 39.8× 351 💰 Pricing
https://www.sdstate.edu/biology-and-microbiology/about
About the Department of Biology and Microbiology | South Dakota State University
pricing 49 42.4× 310 💰 Pricing
https://www.sdstate.edu/civil-environmental-engineering/about
About the Department of Civil and Environmental Engineering | South Dakota State University
pricing 49 43.1× 326 💰 Pricing
https://www.sdstate.edu/veterans-affairs-resource-center-varc/services
Services for Veterans | South Dakota State University
pricing 49 33.5× 489 💰 Pricing
https://www.sdstate.edu/oak-lake/service
Oak Lake Field – Outreach and Service | South Dakota State University
pricing 49 32.5× 415 💰 Pricing
https://www.sdstate.edu/nursing/population-health-evaluation-center-phec/services
PHEC Clients and Services | South Dakota State University
pricing 49 55.4× 215 💰 Pricing
https://www.sdstate.edu/adrdl-user-guide/aerobic-culture
Aerobic Culture – 3 samples without Diagnostic Evaluation Charge | South Dakota State University
pricing 49 29.5× 354 💰 Pricing
Showing 20 of 94 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
/adrdl-user-guide/ 50 37 0% 81.9× High JS Bloat
/office-title-ixequal-opportunity/ 2 30 0% 12.3× High JS Bloat
/division-budget-and-finance/ 2 0 0% 0.0× Low AI Readiness
/continuing-distance-education/ 2 0 0% 0.0× Low AI Readiness
/office-multicultural-affairs-accessibility/ 2 30 0% 13.4× High JS Bloat
/mechanical-engineering/ 2 30 0% 12.0× High JS Bloat
/docs/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/veterinary-biomedical-sciences/ 1 67 0% 13.2× High JS Bloat
/agriculture-food-and-environmental-sciences/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/center-excellence-bison-studies/ 1 59 0% 25.9× High JS Bloat
/about/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/safety-security/ 1 0 0% 0.0× Low AI Readiness
🔄 Re-Crawl & Update 📡 Track this Domain

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🔌 API Access

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

curl https://seodiff.io/api/v1/deep10/domain/sdstate.edu

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

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📊 Semantic Share of Voice

How often would an AI cite sdstate.edu when users ask about topics in this domain's niche? We run entity queries through our 188k-page search index and measure citation probability.

Analyzing citation landscape…

🩹

Remediation Patches

COPY-PASTE

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

Add Organization JSON-LD
High Impact ⏱ 5 min
AI models cannot identify your brand entity without Organization schema. This is the #1 fix for AI visibility.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "Sdstate",
  "url": "https://sdstate.edu",
  "logo": "https://sdstate.edu/themes/custom/jackrabbit/favicon.ico",
  "sameAs": []
}
</script>
Add WebSite + SearchAction JSON-LD
High Impact ⏱ 5 min
Enables the Sitelinks Search Box in Google and allows AI to understand your site structure.
html
<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "WebSite",
  "name": "Sdstate",
  "url": "https://sdstate.edu",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://sdstate.edu/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Allow GPTBot in robots.txt
High Impact ⏱ 2 min
GPTBot is blocked — your content cannot appear in ChatGPT citations. Add this to your robots.txt:
text
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /
Allow ClaudeBot in robots.txt
Medium Impact ⏱ 2 min
ClaudeBot is restricted — Claude may not be able to cite your content. Many AI assistants rely on it.
text
User-agent: ClaudeBot
Allow: /

User-agent: anthropic-ai
Allow: /
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 Sdstate?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Sdstate does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Sdstate work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Sdstate."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for sdstate.edu:

Current Score
15
Projected Score
41
Improvement
+26 pts
Allow GPTBot +8 pts
Allow ClaudeBot +5 pts
Add Organization schema +6 pts
Add WebSite schema +4 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
🔍 Found indexing issues?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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