institutfrancais.jp 64 C
🛡️ SEO 63 🤖 GEO 54 ⚡ Perf 74 🏗️ Arch 79

institutfrancais.jp — Global SEODiff Score 64/100

institutfrancais.jp
📊

Among all indexed domains, institutfrancais.jp ranks in the top echelon with an ACRI of 90, demonstrating that its content is highly visible to AI systems. Within the social vertical, this places institutfrancais.jp 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. Heavy markup overhead (18.0× bloat) forces AI systems to wade through excess code before finding useful information. Minimal structured data (1 block) limits the site's ability to communicate entity relationships to AI systems. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

64
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but AI Readiness (54) is your bottleneck.
🎯 Top Fix: Fix title tag length → +3 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 17, 2026 · 📋 API
📈 ACRI Trend 6 snapshots
Feb 24 Mar 17
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than institutfrancais.jp?
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)63 × 0.25 = 15.8
🤖 AI Readiness / GEO (40% weight)54 × 0.40 = 21.6
⚡ Performance (20% weight)74 × 0.20 = 14.8
🏗️ Architecture & Trust (15% weight)79 × 0.15 = 11.8
Weighted sum = 15.8 + 21.6 + 14.8 + 11.8
Global SEODiff Score = 64 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
100
Structure
avg 35
42
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 50%+
Rank #526574
-51 pts
Gap
AI (ACRI)
Top 1%
Score 90/100

institutfrancais.jp ranks much higher on Google (Tranco Top 50%+) than in AI search (Top 1%). 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 institutfrancais.jp ranks here

Tech stackWordPress
Industrysocial
RenderingSSR
Schema coverage1 blocks
Token bloat18.0×

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

63/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

75 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

249 chars
Too long

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

🌐 Social / OpenGraph

  • ✓ og:title — アンスティチュ・フランセ - アンスティチュ・フランセ
  • ✓ og:description — 東京日仏学院、横浜日仏学院、関西日仏学館、九州日仏学館を運営するアンスティチュ・フランセは、フランス語の教育・普及と日仏文化交流に邁進するフランス政府の公式機関です。
  • ✗ 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

54/100 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 social sector, martin-sad.ru (ACRI: 87) 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 →
institutfrancais.jp
60
Your ACRI Score
87
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. martin-sad.ru has schema coverage of 63 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 100/100 — Excellent
Structured Elements 59 elements (59 lists, 0 rows, 0 headers)
Total Words98
Raw Density60.2%

🏷️ Schema Health Docs

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

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.
💡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

71
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability71/100 — AI models can easily extract answers from this page
Crawl CostMedium (40/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

5%
🗑️ 95%
Useful Content (6.1 KB)Bloat (103.9 KB)
Token Bloat Ratio18.0× — Heavy

Multimodal Readiness

Visual Context75% Optimized for Vision
Image Alt Coverage6 / 8 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: 94.5% · SNR: 0.06 · Signal: 1560 / Noise: 26606 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 institutfrancais.jp 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 Institut Français de Japon (IFJ) promotes French culture and language in Japan through educational programs, cultural events, and partnerships.
Target Audience
Students, educators, artists, cultural organizations, businesses, and individuals interested in French language and culture.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Comprehensive French cultural programs and partnerships fostering cross-cultural understanding.
📊 Content Depth
6/10
Analyzed by SEODiff AI · 2026-03-25

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servernginx
CDN
HTTP Status200
Load Time862 ms
Raw HTML Size110.0 KB
Visible Text Size6.1 KB

Performance & Speed

74/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

862 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

488
DOM nodes
110 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=3, must-revalidate
  • ✗ 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

79/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://institutfrancais.jp/sitemap_index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

75
internal links
11
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 → ja
  • ✓ 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 60/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for institutfrancais.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/institutfrancais.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=institutfrancais.jp" 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
60
Single-page score
-26
Severe hidden bloat
Δ delta
Site-Wide ACRI
34
Avg across 10 pages · Range 34–34
🔍
Hidden Bloat Detected

Homepage scores 60, but internal pages average only 34 — a -26-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
252
Avg Bloat
886.7×
Page Type ACRI Token Bloat Words Status
https://institutfrancais.jp/pricing
アンスティチュ・フランセ - アンスティチュ・フランセ
pricing 34 900.8× 25
https://institutfrancais.jp/about
総合案内 - アンスティチュ・フランセ
about 34 759.8× 27
https://institutfrancais.jp/products
アンスティチュ・フランセ - アンスティチュ・フランセ
product 34 900.8× 25
https://institutfrancais.jp/features
アンスティチュ・フランセ - アンスティチュ・フランセ
product 34 900.8× 25
https://institutfrancais.jp/docs
アンスティチュ・フランセ - アンスティチュ・フランセ
docs 34 900.8× 25
https://institutfrancais.jp/blog
アンスティチュ・フランセ - アンスティチュ・フランセ
blog 34 900.8× 25
https://institutfrancais.jp/case-studies
アンスティチュ・フランセ - アンスティチュ・フランセ
social-proof 34 900.8× 25
https://institutfrancais.jp/faq
アンスティチュ・フランセ - アンスティチュ・フランセ
support 34 900.8× 25
https://institutfrancais.jp/contact
アンスティチュ・フランセ - アンスティチュ・フランセ
support 34 900.8× 25
https://institutfrancais.jp/integrations
アンスティチュ・フランセ - アンスティチュ・フランセ
integrations 34 900.8× 25
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/integrations/ 1 34 0% 900.8× High JS Bloat
/pricing/ 1 34 0% 900.8× High JS Bloat
/about/ 1 34 0% 759.8× High JS Bloat
/products/ 1 34 0% 900.8× High JS Bloat
/docs/ 1 34 0% 900.8× High JS Bloat
/case-studies/ 1 34 0% 900.8× High JS Bloat
/contact/ 1 34 0% 900.8× High JS Bloat
/faq/ 1 34 0% 900.8× High JS Bloat
/features/ 1 34 0% 900.8× High JS Bloat
/blog/ 1 34 0% 900.8× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 10 pages
villakujoyama.jp ×10
twitter.com ×10
lfikyoto.org ×10
facebook.com ×10
fondation-alliancefr.org ×10
culture.institutfrancais.jp ×10
mfj.gr.jp ×10
jp.ambafrance.org ×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/institutfrancais.jp

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

🔗 Similar social Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
institutfrancais.jp (this site) 60 90 WordPress 18.0× 1
kvaclub.ru 81 90 WordPress 6.0× 1 Compare →
recenzer.cz 83 90 WordPress 8.3× 2 Compare →
fathimaparvin.com 82 90 WordPress 5.9× 1 Compare →
marigliano.net 81 90 WordPress 4.6× 1 Compare →
blog.indianweddingsaree.com 82 90 WordPress 5.8× 3 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite institutfrancais.jp 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 institutfrancais.jp. 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 5% 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>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for institutfrancais.jp:

Current Score
90
Projected Score
95
Improvement
+5 pts
Reduce token bloat +5 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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