3sat.de 64 C
🛡️ SEO 46 🤖 GEO 72 ⚡ Perf 54 🏗️ Arch 83

3sat.de — Global SEODiff Score 64/100

3sat.de
📊

3sat.de achieves a 74/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Within the news vertical, this places 3sat.de above the industry average of 57 —, suggesting strong competitive positioning in AI search. The rendering approach is hybrid, with a moderate ghost ratio of 15% — most content is accessible without JS, though some elements are client-rendered. The 11.4× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. Structured data coverage is solid at 3 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.

64
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (46) is your bottleneck.
🎯 Top Fix: Add HSTS header → +2 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 18, 2026 · 📋 API
📈 ACRI Trend 25 snapshots
Feb 22 Mar 18
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than 3sat.de?
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)46 × 0.25 = 11.5
🤖 AI Readiness / GEO (40% weight)72 × 0.40 = 28.8
⚡ Performance (20% weight)54 × 0.20 = 10.8
🏗️ Architecture & Trust (15% weight)83 × 0.15 = 12.4
Weighted sum = 11.5 + 28.8 + 10.8 + 12.4
Global SEODiff Score = 64 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
94
Rendering
avg 93
44
Structure
avg 35
46
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 2%
Rank #23092
+20 pts
Gap
AI (ACRI)
Top 22%
Score 74/100

3sat.de 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 3sat.de ranks here

Tech stackCustom / Proprietary
Industrynews
RenderingHybrid
Schema coverage3 blocks
Token bloat11.4×

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

46/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

27 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

150 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 0
  • ✓ Has <h2> headings — found 36
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.3sat.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 — 3satMediathek
  • ✓ og:description — Videos und Livestreams in der 3satMediathek anschauen! Entdecken Sie Dokumentationen, Magazine aus Kultur, Wissenschaft, Gesellschaft und vieles mehr!
  • ✓ 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

72/100 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 news sector, medi.de (ACRI: 82) 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 →
3sat.de
56
Your ACRI Score
82
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. medi.de has schema coverage of 4 blocks and uses TYPO3. 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 15%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type Hybrid

📊 Structure & Information Density Docs

Structure Grade 44/100 — Fair
Structured Elements 38 elements (38 lists, 0 rows, 0 headers)
Total Words650
Raw Density5.8%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks3 blocks

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

57
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability57/100 — AI models can partially extract answers from this page
Crawl CostHigh (80/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

8%
🗑️ 92%
Useful Content (45.8 KB)Bloat (474.4 KB)
Token Bloat Ratio11.4× — Normal

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage12 / 12 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: 91.2% · SNR: 0.10 · Signal: 11714 / Noise: 121443 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 3sat.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
Terra X explores the world of 1500 AD, showcasing parallel histories and cultural exchanges across continents, highlighting the clash between
Target Audience
History enthusiasts, documentary viewers, educators, and those interested in cultural and historical comparisons.
Pricing Model
Subscription-based access to 3sat’s Mediathek content.
🏆 Competitive Moat
Unique access to parallel historical narratives and in-depth exploration of cultural and societal shifts through a documentary format.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
HTML-Code zum Einbetten des VideosTeaser images
⚡ Key Pain Points
• Limited SEO signals beyond basic HTML embedding
• Lack of structured data for content discovery
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

AI-Readiness Score50/100
Server
CDN
HTTP Status200
Load Time863 ms
Raw HTML Size520.1 KB
Visible Text Size45.8 KB

Performance & Speed

54/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

863 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1409
DOM nodes
520 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=14
  • ✗ 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

83/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.3sat.de/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

46
internal links
8
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 56/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for 3sat.de
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/3sat.de" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=3sat.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 118 pages · Deep-10

Homepage ACRI
56
Single-page score
+4
Consistent readability
Δ delta
Site-Wide ACRI
61
Avg across 118 pages · Range 0–77
Topical Cohesion
4%
Topical Drift
TF-IDF cosine similarity
Total Words
60479
Avg Bloat
35.6×
Page Type ACRI Token Bloat Words Status
https://www.3sat.de/wissen/terra-x/wem-gehoert-die-welt-eine-geschichte-des-reichtums-mit-dirk-steffens-von-fuersten-und-kaufleuten-100.html
Wem gehört die Welt? - Eine Geschichte des - Reichtums (2/3) - 3sat-Mediathek
other 77 16.6× 1165
https://www.3sat.de/wissen/terra-x/zeitreise---die-welt-im-jahr-1500-104.html
Zeitreise - Die Welt im Jahr 1500 - 3sat-Mediathek
other 77 19.7× 854
https://www.3sat.de/wissen/terra-x/unser-gruener-planet-15-100.html
Unser grüner Planet: Tropen - 3sat-Mediathek
pricing 72 26.2× 628
https://www.3sat.de/wissen/terra-x/expedition-europa-die-verwandlung-des-kontinents-102.html
Expedition Europa (2/2) - 3sat-Mediathek
other 72 27.1× 613
https://www.3sat.de/wissen/terra-x/kielings-wilde-welt-die-ueberlebenskuenstler-102.html
Kielings wilde Welt: Die Überlebenskünstler - 3sat-Mediathek
other 72 21.4× 842
https://www.3sat.de/wissen/terra-x/ein-tag-im-mittelalter-102.html
Ein Tag im Mittelalter - 3sat-Mediathek
other 72 21.2× 836
https://www.3sat.de/wissen/terra-x/buschflieger-abenteuer-am-himmel-doku-100.html
Buschflieger - Abenteuer am Himmel - 3sat-Mediathek
other 72 29.2× 638
https://www.3sat.de/wissen/terra-x/der-mars-raetselhafte-wuestenwelt-dokumentation-mit-alexander-gerst-100.html
Der Mars - Rätselhafte Wüstenwelt - 3sat-Mediathek
other 72 28.3× 669
https://www.3sat.de/film/der-fernsehfilm-der-woche/ich-werde-nicht-schweigen-106.html
Ich werde nicht schweigen - 3sat-Mediathek
other 72 29.1× 571
https://www.3sat.de/gesellschaft/zdf-reportage/der-preis-des-doeners-100.html
Der Preis des Döners - 3sat-Mediathek
other 72 28.6× 574
https://www.3sat.de/wissen/terra-x/schaetze-aus-der-unterwelt-entdeckung-in-mexiko-teotihuacan-100.html
Schätze aus der Unterwelt - Entdeckung in Mexiko - 3sat-Mediathek
other 72 27.3× 643
https://www.3sat.de/wissen/terra-x/venezuelas-tafelberge-expedition-ins-haus-der-goetter-doku-100.html
Venezuelas Tafelberge - Expedition ins Haus der Götter - 3sat-Mediathek
other 72 27.9× 639
https://www.3sat.de/kultur/kulturzeit/unter-verdacht-dubiose-spenden-fuer-die-ostukraine-sendung-vom-27-02-2026-100.html
Dubiose Spenden für die Ostukraine? - 3sat-Mediathek
other 72 31.6× 746
https://www.3sat.de/film/spielfilm/edgar-wallace-die-toten-augen-von-london-100.html
Edgar Wallace: Die toten Augen von London - 3sat-Mediathek
other 72 30.1× 586
https://www.3sat.de/wissen/terra-x/grosse-voelker-die-germanen-104.html
Große Völker: Die Germanen - 3sat-Mediathek
other 72 25.0× 719
https://www.3sat.de/wissen/terra-x/faszination-erde-mit-hannah-emde-kanada-im-reich-des-wassers-102.html
Faszination Erde - mit Hannah Emde: Kanada - Im Reich des Wassers - 3sat-Mediathek
other 72 23.3× 775
https://www.3sat.de/wissen/terra-x/zeitreise---die-welt-im-jahr-1800-100.html
Zeitreise - Die Welt im Jahr 1800 - 3sat-Mediathek
other 72 27.0× 612
https://www.3sat.de/dokumentation/reise/fruehling-am-gardasee-100.html
Frühling am Gardasee - 3sat-Mediathek
other 72 29.0× 588
https://www.3sat.de/gesellschaft/stoeckl/stoeckl-vom-12-maerz-2026-100.html
STÖCKL vom 12. März 2026 - 3sat-Mediathek
other 72 32.7× 503
https://www.3sat.de/dokumentation/da-will-ich-hin/suedtirol-da-will-ich-hin-102.html
Südtirol, da will ich hin! - 3sat-Mediathek
other 72 28.5× 640
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
/wissen/ 46 69 0% 33.9× High JS Bloat
/gesellschaft/ 20 63 0% 42.8× High JS Bloat
/film/ 19 67 0% 35.9× High JS Bloat
/kultur/ 14 62 0% 52.0× High JS Bloat
/dokumentation/ 8 66 0% 40.4× High JS Bloat
/faq/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/kabarett/ 1 59 0% 49.6× High JS Bloat
/docs/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 118 pages
zdf.social ×108
instagram.com ×108
ard.de ×108
orf.at ×108
youtube.com ×108
pressetreff.3sat.de ×108
zdf.de ×108
teletext.zdf.de ×108
🔄 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/3sat.de

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

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Domains with a similar tech stack, industry, and AI readiness profile to 3sat.de. Compare side-by-side.

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📊 Semantic Share of Voice

How often would an AI cite 3sat.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 3sat.de. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 8% of your HTML is useful content. AI crawlers waste context window tokens on bloat.
html
<!-- Move inline CSS to external stylesheets -->
<link rel="stylesheet" href="/css/main.css">

<!-- Move inline scripts to external files with defer -->
<script src="/js/app.js" defer></script>

<!-- Remove duplicate navigation blocks -->
<!-- Keep only ONE <nav> in the <header> -->

<!-- Ensure <main> wraps your primary content -->
<main>
  <!-- Your content here — this is what AI sees first -->
</main>
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 3sat?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what 3sat does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does 3sat work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with 3sat."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for 3sat.de:

Current Score
74
Projected Score
82
Improvement
+8 pts
Reduce token bloat +5 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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