hoou.de 59 D
🛡️ SEO 58 🤖 GEO 71 ⚡ Perf 34 🏗️ Arch 62

hoou.de — Global SEODiff Score 59/100

hoou.de
📊

With a solid 67/100 ACRI, hoou.de is well-positioned for AI search — better than 59% of sites in the Radar. Within the education vertical, this places hoou.de above the industry average of 57 —, suggesting strong competitive positioning in AI search. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. Token bloat registers at 8.1× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. Minimal structured data (1 block) limits the site's ability to communicate entity relationships to AI systems. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

59
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (34) has the most room for improvement.
🎯 Top Fix: Add HSTS header → +2 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 19, 2026 · 📋 API
📈 ACRI Trend 4 snapshots
Mar 3 Mar 19
🔔 Recent AI Indexing Activity
📈 Mar 19 ACRI +1 (46→47)
🔄 Mar 14 Content change detected
Does your site score higher than hoou.de?
Run the same 40-signal audit on your own domain — free, instant results.
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)58 × 0.25 = 14.5
🤖 AI Readiness / GEO (40% weight)71 × 0.40 = 28.4
⚡ Performance (20% weight)34 × 0.20 = 6.8
🏗️ Architecture & Trust (15% weight)62 × 0.15 = 9.3
Weighted sum = 14.5 + 28.4 + 6.8 + 9.3
Global SEODiff Score = 59 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
14
Structure
avg 35
2
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 50%+
Rank #589139
-17 pts
Gap
AI (ACRI)
Top 41%
Score 67/100

hoou.de ranks much higher on Google (Tranco Top 50%+) than in AI search (Top 41%). This is the 'Visibility Gap' pattern — implementing the recommendations above can help close the AI gap. ACRI measures technical crawler readiness. Read the methodology →

Why hoou.de ranks here

Tech stackWordPress
Industryeducation
RenderingSSR
Schema coverage1 blocks
Token bloat8.1×

Fastest improvements

  • Reduce token bloat (navigation/footer/code) so agents reach your main content faster (see Token Bloat).
  • 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

58/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

37 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

0 chars
Missing

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 9
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://portal.hoou.de/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → de
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Hamburg Open Online University
  • ✓ og:description — Unser Update für dich Hier gibt’s den nächsten Aha-Moment – mit unseren Interviews und Storys direkt aus der Wissenschaft. Zum Lesen, Hören und Mitmachen. Wissen per Klick: Unsere Lernangebote Auf […]
  • ✗ og:image
  • ✓ 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

71/100 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 education sector, melbourneschool.com (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 →
hoou.de
47
Your ACRI Score
86
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. melbourneschool.com 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)
Allowed
ClaudeBot (Anthropic)
Allowed
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed

👻 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 14/100 — Poor
Structured Elements 19 elements (19 lists, 0 rows, 0 headers)
Total Words3402
Raw Density0.6%
💡Low structure score (14/100). Your content appears as a wall of text with few structured HTML elements. You have 19 list items, 0 table rows, 0 table headers. Convert features into <ul> lists and data into <table> elements to help AI models extract structured information.

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 block(s) — Basic (low value for AI)

Schema Coverage Map

2/7 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.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.

📐 AI Efficiency Metrics Docs

42
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability42/100 — AI models can partially extract answers from this page
Crawl CostHigh (85/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

12%
🗑️ 88%
Useful Content (87.7 KB)Bloat (618.7 KB)
Token Bloat Ratio8.1× — Normal

Multimodal Readiness

Visual Context91% Optimized for Vision
Image Alt Coverage152 / 167 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 87.6% · SNR: 0.14 · Signal: 22449 / Noise: 158396 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 hoou.de 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 Hamburg Open Online University (HOOU) provides learning resources focused on topics like news consumption, hybrid learning, sustainable economics, and
Target Audience
Students, educators, researchers, professionals interested in sustainable practices, digital learning, and societal challenges (e.g., news literacy, diversity & inclusion, responsible AI).
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
The HOOU’s competitive advantage lies in its research-backed learning materials and interdisciplinary approach, combining academic research with practical application and addressing specific societal needs.
📊 Content Depth
7/10
🔄 Programmatic SEO Signals
Lernangebot (Learning Offerings)Podcast IT & Medien (Podcast IT & Media)KI und Diversität (AI and Diversity)Good soil, good future
⚡ Key Pain Points
• Limited information on pricing structure
• Lack of explicit integration details
• Limited SEO optimization for specific learning materials
Analyzed by SEODiff AI · 2026-03-27

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servernginx
CDN
HTTP Status200
Load Time1606 ms
Raw HTML Size706.4 KB
Visible Text Size87.7 KB

Performance & Speed

34/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1606 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

2096
DOM nodes
706 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ 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

62/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

72
internal links
82
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 → de
  • ✓ 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 47/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

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

Homepage ACRI
47
Single-page score
+14
Subpages outperform homepage
Δ delta
Site-Wide ACRI
61
Avg across 10 pages · Range 61–61
Total Words
36910
Avg Bloat
44.0×
Page Type ACRI Token Bloat Words Status
https://hoou.de/pricing
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/about
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/products
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/features
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/blog
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/docs
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/case-studies
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/integrations
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/faq
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
https://hoou.de/contact
Hamburg Open Online University - HOOU
pricing 61 44.0× 3691 💰 Pricing
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/integrations/ 1 61 1% 44.0× Bot Blocked
/pricing/ 1 61 1% 44.0× Bot Blocked
/products/ 1 61 1% 44.0× Bot Blocked
/case-studies/ 1 61 1% 44.0× Bot Blocked
/contact/ 1 61 1% 44.0× Bot Blocked
/faq/ 1 61 1% 44.0× Bot Blocked
/docs/ 1 61 1% 44.0× Bot Blocked
/about/ 1 61 1% 44.0× Bot Blocked
/features/ 1 61 1% 44.0× Bot Blocked
/blog/ 1 61 1% 44.0× Bot Blocked
🔗
Outbound External Citations
0 unique external domains cited across 10 pages
hfbk-hamburg.de ×10
netzwerk-landeseinrichtungen.de ×10
hsba.de ×10
instagram.com ×10
hfmt-hamburg.de ×10
berkeley.edu ×10
projekte.hoou.de ×10
law-school.de ×10
🔄 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/hoou.de

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

🔗 Similar education Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
hoou.de (this site) 47 67 WordPress 8.1× 1
cta.org 72 85 WordPress 7.4× 1 Compare →
univ-lr.fr 72 79 WordPress 5.6× 1 Compare →
flatironinstitute.org 72 81 WordPress 5.4× 1 Compare →
keiseruniversity.edu 72 85 WordPress 9.9× 2 Compare →
physoc.org 72 80 WordPress 4.4× 1 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite hoou.de 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 hoou.de. 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": "Hoou",
  "url": "https://hoou.de",
  "logo": "https://portal.hoou.de/wp-content/themes/hoou-theme/assets/imgs/hoou_favicon.ico",
  "sameAs": []
}
</script>
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 Hoou?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Hoou does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Hoou work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Hoou."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for hoou.de:

Current Score
67
Projected Score
79
Improvement
+12 pts
Add Organization schema +6 pts
Reduce token bloat +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
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