auth.gr 52 D
🛡️ SEO 9 🤖 GEO 84 ⚡ Perf 27 🏗️ Arch 72

auth.gr — Global SEODiff Score 52/100

auth.gr
📊

The AI-Readiness profile for auth.gr is strong: an ACRI of 81/100 places it ahead of 95% of domains in the index. Within the education vertical, this places auth.gr above the industry average of 57 —, suggesting strong competitive positioning in AI search. Content is delivered server-side, meaning bots and AI agents can parse the full page without executing JavaScript. Token bloat registers at 7.8× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

52
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Traditional SEO (9) has the most room for improvement.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 18, 2026 · 📋 API
📈 ACRI Trend 24 snapshots
Feb 22 Mar 18
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than auth.gr?
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)9 × 0.25 = 2.2
🤖 AI Readiness / GEO (40% weight)84 × 0.40 = 33.6
⚡ Performance (20% weight)27 × 0.20 = 5.4
🏗️ Architecture & Trust (15% weight)72 × 0.15 = 10.8
Weighted sum = 2.2 + 33.6 + 5.4 + 10.8
Global SEODiff Score = 52 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
88
Structure
avg 35
0
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 1%
Rank #12375
Aligned
Gap
AI (ACRI)
Top 5%
Score 81/100

auth.gr has balanced Google and AI visibility — both rank roughly in the same tier. ACRI measures technical crawler readiness. Read the methodology →

Why auth.gr ranks here

Tech stackWordPress
Industryeducation
RenderingSSR
Schema coverage0 blocks
Token bloat7.8×

Fastest improvements

  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • 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

9/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

74 chars
Too long

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 0
  • ✓ Has <h2> headings — found 4
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.auth.gr/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → el
  • ✅ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✗ og:title
  • ✗ og:description
  • ✗ og:image
  • ✗ twitter:card
📐 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

84/100 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, rndirectors.com (ACRI: 85) 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 →
auth.gr
67
Your ACRI Score
85
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. rndirectors.com has schema coverage of 4 blocks and uses WordPress. 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 88/100 — Excellent
Structured Elements 333 elements (333 lists, 0 rows, 0 headers)
Total Words1430
Raw Density23.3%

🏷️ 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

64
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability64/100 — AI models can partially extract answers from this page
Crawl CostMedium (60/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

12%
🗑️ 88%
Useful Content (58.8 KB)Bloat (400.1 KB)
Token Bloat Ratio7.8× — Normal

Multimodal Readiness

Visual Context57% Optimized for Vision
Image Alt Coverage25 / 44 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: 87.2% · SNR: 0.15 · Signal: 15057 / Noise: 102421 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 auth.gr 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
This website provides contact information and details for Aristotle University Thessaloniki, facilitating communication for various university departments and services.
Target Audience
Students, faculty, staff, prospective students, and general public interested in Aristotle University.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
SEMANTIC VOID
📊 Content Depth
2/10
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
ServerApache
CDN
HTTP Status200
Load Time2789 ms
Raw HTML Size458.9 KB
Visible Text Size58.8 KB

Performance & Speed

27/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

2789 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

2972
DOM nodes
459 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

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

🔬 Tracker Tax

1
tracker scripts
1
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
googletagmanager.com
📐 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

72/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

360
internal links
39
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 → el
  • ✓ 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 67/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for auth.gr
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/auth.gr" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=auth.gr" 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 139 pages · Deep-10

Homepage ACRI
67
Single-page score
-22
Severe hidden bloat
Δ delta
Site-Wide ACRI
46
Avg across 139 pages · Range 36–59
🔍
Hidden Bloat Detected

Homepage scores 67, but internal pages average only 46 — a -22-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
46050
Avg Bloat
155.1×
Page Type ACRI Token Bloat Words Status
https://www.auth.gr/committee/com-gaei/
Επιτροπή Ισότητας των Φύλων και Καταπολέμησης των Διακρίσεων του ΑΠΘ – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 60.6× 830 💰 Pricing
https://www.auth.gr/committee/com-eep/
Επιτροπή Ευρωπαϊκών Εκπαιδευτικών Προγραμμάτων – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 96.4× 508 💰 Pricing
https://www.auth.gr/committee/com-sapcovsg/
Επιτροπή Κοινωνικής Μέριμνας, Ψυχολογικής Υποστήριξης και Παρατηρητηρίου Φοιτητών – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 97.6× 502 💰 Pricing
https://www.auth.gr/committee/com-health/
Επιτροπή Υγείας – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 95.9× 513 💰 Pricing
https://www.auth.gr/committee/1042/
Συμβούλιο Κ.Ε.ΔΙ.ΒΙ.Μ. – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 48.1× 1048 💰 Pricing
https://www.auth.gr/university_unit/eadp/
Εταιρεία Αξιοποίησης και Διαχείρισης της Περιουσίας του ΑΠΘ – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 92.4× 517 💰 Pricing
https://www.auth.gr/university_unit/pfe/
Φοιτητικές Εστίες Θεσσαλονίκης (Φ.Ε.Θ.) – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 61.0× 813 💰 Pricing
https://www.auth.gr/university_unit/pfl/
Πανεπιστημιακή Φοιτητική Λέσχη – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 77.3× 621 💰 Pricing
https://www.auth.gr/university_unit/digital-earth/
Κέντρο Ψηφιακής Γεωγραφικής Εκπαίδευσης – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 77.4× 617 💰 Pricing
https://www.auth.gr/university_unit/unescochair-edu/
Έδρα UNESCO για την Εκπαίδευση στα Δικαιώματα του Ανθρώπου, τη Δημοκρατία και την Ειρήνη – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 46.2× 1061 💰 Pricing
https://www.auth.gr/university_unit/keagro/
Διεπιστημονικό Κέντρο Αγροδιατροφής – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 92.5× 516 💰 Pricing
https://www.auth.gr/university_unit/dasos-taxiarhi/
Πανεπιστημιακό Δάσος Ταξιάρχη – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 63.9× 754 💰 Pricing
https://www.auth.gr/university_unit/peiramatika-sxoleia/
Πειραματικά Σχολεία – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 59.2× 848 💰 Pricing
https://www.auth.gr/university_unit/iason/
Πρόγραμμα ΙΑΣΩΝ – ΑΡΙΣΤΟΤΕΛΕΙΟ ΠΑΝΕΠΙΣΤΗΜΙΟ ΘΕΣΣΑΛΟΝΙΚΗΣ
pricing 59 56.6× 856 💰 Pricing
https://www.auth.gr/en/university_unit/unescochair-edu-en/
UNESCO Chair on Education for Human Rights, Democracy and Peace – ARISTOTLE UNIVERSITY OF THESSALONIKI
pricing 59 27.1× 1105 💰 Pricing
https://www.auth.gr/sitemap.html
XML Sitemap
other 57 9.5× 177
https://www.auth.gr/en/committee/com-gaei-en/
Gender Equality and Anti-Discrimination Committee – ARISTOTLE UNIVERSITY OF THESSALONIKI
pricing 56 49.6× 577 💰 Pricing
https://www.auth.gr/en/university_unit/eadp-en/
Aristotle University Asset Development and Management Company – ARISTOTLE UNIVERSITY OF THESSALONIKI
pricing 56 41.0× 714 💰 Pricing
https://www.auth.gr/en/university_unit/farm-en/
University Farm – ARISTOTLE UNIVERSITY OF THESSALONIKI
pricing 56 53.9× 538 💰 Pricing
https://www.auth.gr/en/university_unit/pfl-en/
University Student Dining – ARISTOTLE UNIVERSITY OF THESSALONIKI
pricing 56 37.6× 783 💰 Pricing
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
/en/ 52 41 0% 136.8× High JS Bloat
/committee/ 42 47 0% 176.5× High JS Bloat
/university_unit/ 42 49 0% 150.9× High JS Bloat
/sitemap.html/ 1 57 0% 9.5× High JS Bloat
/contact/ 1 36 0% 288.5× High JS Bloat
/category/ 1 36 0% 391.0× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 139 pages
facebook.com ×138
100xronia.auth.gr ×138
youtube.com ×138
twitter.com ×138
linkedin.com ×138
w3.org ×138
europa.eu ×138
epicur.auth.gr ×138
🔄 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/auth.gr

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

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📊 Semantic Share of Voice

How often would an AI cite auth.gr 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 auth.gr. 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": "Auth",
  "url": "https://auth.gr",
  "logo": "https://www.auth.gr/wp-content/uploads/cropped-LogoAUTHblack300ppi-32x32.jpg",
  "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": "Auth",
  "url": "https://auth.gr",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://auth.gr/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</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 Auth?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Auth does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Auth work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Auth."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for auth.gr:

Current Score
81
Projected Score
97
Improvement
+16 pts
Add Organization schema +6 pts
Add WebSite schema +4 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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