erudit.org 76 B
🛡️ SEO 72 🤖 GEO 85 ⚡ Perf 49 🏗️ Arch 93

erudit.org — Global SEODiff Score 76/100

erudit.org
📊

The AI-Readiness profile for erudit.org is strong: an ACRI of 75/100 places it ahead of 81% of domains in the index. In the infrastructure sector, erudit.org outperforms the average (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. With a 2.7× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. The site includes 3 schema blocks, providing adequate structured data for basic entity recognition. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

76
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Performance (49) is your bottleneck.
🎯 Top Fix: Monitor weekly to catch regressions early
🔬 Automated SEODiff Assessment · Snapshot: Feb 26, 2026 · 📋 API
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)72 × 0.25 = 18.0
🤖 AI Readiness / GEO (40% weight)85 × 0.40 = 34.0
⚡ Performance (20% weight)49 × 0.20 = 9.8
🏗️ Architecture & Trust (15% weight)93 × 0.15 = 13.9
Weighted sum = 18.0 + 34.0 + 9.8 + 13.9
Global SEODiff Score = 76 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
43
Structure
avg 35
46
Schema
avg 10
50
Tech Stack
avg 64
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 4%
Rank #39745
+16 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

erudit.org 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 erudit.org ranks here

Tech stackCustom / Proprietary
RenderingSSR
Schema coverage3 blocks
Token bloat2.7×

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

72/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

33 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

131 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 6
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.erudit.org/fr/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → fr
  • ✓ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✗ og:title
  • ✓ og:description — Découvrez nos collections de documents en sciences humaines et sociales : revues, livres et actes, thèses, rapports de recherche.
  • ✓ 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

85/100 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 infrastructure sector, safely.co.jp (ACRI: 90) 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 →
erudit.org
68
Your ACRI Score
90
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. safely.co.jp has schema coverage of 3 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 5%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 43/100 — Fair
Structured Elements 84 elements (84 lists, 0 rows, 0 headers)
Total Words1506
Raw Density5.6%

🏷️ Schema Health Docs

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

Schema Coverage Map

3/7 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.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.

📐 AI Efficiency Metrics Docs

69
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability69/100 — AI models can partially extract answers from this page
Crawl CostLow (30/100) — efficient for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

37%
🗑️ 63%
Useful Content (24.6 KB)Bloat (42.4 KB)
Token Bloat Ratio2.7× — Lean

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage23 / 23 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

57 Entropy
Fair Token Bloat: Medium
Noise Ratio: 63.3% · SNR: 0.58 · Signal: 6293 / Noise: 10855 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…

🔧 Tech Stack

AI-Readiness Score50/100
Servernginx/1.24.0
CDN
HTTP Status200
Load Time2282 ms
Raw HTML Size67.0 KB
Visible Text Size24.6 KB

Performance & Speed

49/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

2282 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

726
DOM nodes
67 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://www.erudit.org/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

131
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 → fr
  • ✓ 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 68/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for erudit.org
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/erudit.org" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=erudit.org" 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
68
Single-page score
-6
Moderate hidden bloat
Δ delta
Site-Wide ACRI
62
Avg across 10 pages · Range 62–62
Total Words
1800
Avg Bloat
5.0×
Ext. Citations
2
Page Type ACRI Token Bloat Words Status
https://erudit.org/pricing
Making sure you're not a bot!
pricing 62 5.0× 180
https://erudit.org/about
Making sure you're not a bot!
about 62 5.0× 180
https://erudit.org/products
Making sure you're not a bot!
product 62 5.0× 180
https://erudit.org/features
Making sure you're not a bot!
product 62 5.0× 180
https://erudit.org/docs
Making sure you're not a bot!
docs 62 5.0× 180
https://erudit.org/blog
Making sure you're not a bot!
blog 62 5.0× 180
https://erudit.org/case-studies
Making sure you're not a bot!
social-proof 62 5.0× 180
https://erudit.org/faq
Making sure you're not a bot!
support 62 5.0× 180
https://erudit.org/contact
Making sure you're not a bot!
support 62 5.0× 180
https://erudit.org/integrations
Making sure you're not a bot!
integrations 62 5.0× 180
🔗
Outbound External Citations
2 unique external domains cited across 10 pages
anubis.techaro.lol ×10
techaro.lol ×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/erudit.org

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
erudit.org (this site) 68 75 Custom / Proprietary 2.7× 3
yarmich.store 68 78 Custom / Proprietary 2.7× 3 Compare →
jarcomputers.com 68 77 Custom / Proprietary 2.7× 3 Compare →
zaster.ch 68 77 Custom / Proprietary 2.7× 3 Compare →
eon.cz 68 78 Custom / Proprietary 2.6× 3 Compare →
jme.cz 68 78 Custom / Proprietary 2.6× 3 Compare →
Compare All 5 Similar Sites →
🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to erudit.org. 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 Erudit?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Erudit does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Erudit work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Erudit."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for erudit.org:

Current Score
75
Projected Score
78
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