bigsight.jp 63 C
🛡️ SEO 39 🤖 GEO 72 ⚡ Perf 68 🏗️ Arch 73

bigsight.jp — Global SEODiff Score 63/100

bigsight.jp
📊

At 78/100, the ACRI for bigsight.jp indicates strong fundamentals in AI extractability, surpassing the majority of indexed sites. Server-side rendering keeps the ghost ratio near zero, giving AI systems direct access to all visible content. With a 4.4× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. The complete absence of JSON-LD schema is a missed opportunity: even basic Organization markup would improve how AI crawlers understand this domain. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

63
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (39) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 18, 2026 · 📋 API
📈 ACRI Trend 8 snapshots
Feb 23 Mar 18
🔔 Recent AI Indexing Activity
📈 Mar 15 ACRI +1 (53→54)
🔄 Mar 10 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)39 × 0.25 = 9.8
🤖 AI Readiness / GEO (40% weight)72 × 0.40 = 28.8
⚡ Performance (20% weight)68 × 0.20 = 13.6
🏗️ Architecture & Trust (15% weight)73 × 0.15 = 10.9
Weighted sum = 9.8 + 28.8 + 13.6 + 10.9
Global SEODiff Score = 63 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
89
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 6%
Rank #62601
+6 pts
Gap
AI (ACRI)
Top 12%
Score 78/100

bigsight.jp shows stronger AI visibility than traditional SEO ranking. Great AI foundation to build on. ACRI measures technical crawler readiness. Read the methodology →

Why bigsight.jp ranks here

Tech stackCustom / Proprietary
Industry
RenderingSSR
Schema coverage0 blocks
Token bloat4.4×

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

39/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

51 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 2
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✗ Canonical tag present
  • ✓ 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
  • ✗ 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

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.

🚨

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 89/100 — Excellent
Structured Elements 34 elements (34 lists, 0 rows, 0 headers)
Total Words143
Raw Density23.8%

🏷️ 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

71
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability71/100 — AI models can easily extract answers from this page
Crawl CostLow (10/100) — efficient for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

22%
🗑️ 78%
Useful Content (3.9 KB)Bloat (13.4 KB)
Token Bloat Ratio4.4× — Lean

Multimodal Readiness

Visual Context18% Optimized for Vision
Image Alt Coverage5 / 28 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Only 18% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

15 Entropy
Poor Token Bloat: High
Noise Ratio: 77.4% · SNR: 0.29 · Signal: 1006 / Noise: 3442 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 bigsight.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
Tokyo Big Sight operates a large exhibition and convention center, hosting trade fairs, exhibitions, and events, contributing to economic activities and regional development.
Target Audience
Exhibition organizers, event planners, trade show attendees, businesses seeking exhibition space, and visitors attending events.
Pricing Model
Not specified - operates as a venue and event space.
🏆 Competitive Moat
Extensive exhibition space and facilities, strategic location in Tokyo, and a long history of hosting major events.
📊 Content Depth
4/10
⚡ Key Pain Points
• Lack of pricing information
• Limited details on specific services beyond event hosting
Analyzed by SEODiff AI · 2026-03-03

🔧 Tech Stack

AI-Readiness Score50/100
ServerScutum
CDN
HTTP Status200
Load Time1102 ms
Raw HTML Size17.4 KB
Visible Text Size3.9 KB

Performance & Speed

68/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1102 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

385
DOM nodes
17 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → public, max-age=30
  • ✗ 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

73/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

47
internal links
10
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 54/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for bigsight.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/bigsight.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=bigsight.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 69 pages · Deep-10

Homepage ACRI
54
Single-page score
-14
Moderate hidden bloat
Δ delta
Site-Wide ACRI
40
Avg across 69 pages · Range 0–90
🔍
Hidden Bloat Detected

Homepage scores 54, but internal pages average only 40 — a -14-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
12%
Topical Drift
TF-IDF cosine similarity
Total Words
10645
Avg Bloat
79.5×
Page Type ACRI Token Bloat Words Status
https://www.bigsight.jp/english/visitor/company/csr.html
CSR Activities | About Us | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 90 3.2× 3484
https://www.bigsight.jp/english/visitor/company/business/management.html
Management and Operation of Tokyo Big Sight | Business Outline | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 85 6.6× 641
https://www.bigsight.jp/english/visitor/company/business/host.html
Exhibition Hosting /Operations Business Segment | Business Outline | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 85 6.9× 653
https://www.bigsight.jp/english/visitor/company/about/
Corporate Information | About Us | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 85 8.1× 520
https://www.bigsight.jp/organizer/guide/price/equipment.html
会議設備・備品利用料金|利用料金|東京ビッグサイト(東京国際展示場)
blog 75 17.0× 687
https://www.bigsight.jp/organizer/guide/price/conference.html
会議室利用料金|利用料金|東京ビッグサイト(東京国際展示場)
blog 75 10.7× 795
https://www.bigsight.jp/english/visitor/company/business/
Business Outline | About Us | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 65 15.8× 213
https://www.bigsight.jp/english/visitor/company/international.html
International Operations | About Us | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 65 13.8× 252
https://www.bigsight.jp/english/visitor/company/business/building.html
Building Management Business Segment | Business Outline | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 65 14.4× 228
https://www.bigsight.jp/organizer/guide/price/exhibition.html
展示ホール利用料金|利用料金|東京ビッグサイト(東京国際展示場)
blog 60 20.4× 303
https://www.bigsight.jp/visitor/company/csr.html
CSRの取り組み|会社情報|東京ビッグサイト(東京国際展示場)
about 60 42.4× 278
https://www.bigsight.jp/visitor/company/management.html
経営情報|会社情報|東京ビッグサイト(東京国際展示場)
about 60 29.4× 203
https://www.bigsight.jp/visitor/services/locker.html
コインロッカー・荷物保管・携帯電話|館内サービス|東京ビッグサイト(東京国際展示場)
product 60 22.3× 253
https://www.bigsight.jp/organizer/guide/howto/conference.html
会議施設利用案内|ご利用の流れ|東京ビッグサイト(東京国際展示場)
blog 50 31.7× 150
https://www.bigsight.jp/organizer/guide/howto/exhibition.html
展示施設利用案内|ご利用の流れ|東京ビッグサイト(東京国際展示場)
blog 50 50.7× 100
https://www.bigsight.jp/organizer/guide/case/
使用事例|ご利用ガイド|東京ビッグサイト(東京国際展示場)
blog 50 49.4× 107
https://www.bigsight.jp/visitor/company/about/
会社概要|会社情報|東京ビッグサイト(東京国際展示場)
about 50 36.3× 120
https://www.bigsight.jp/visitor/company/business/management.html
会場管理・運営事業|事業内容|東京ビッグサイト(東京国際展示場)
about 50 42.4× 104
https://www.bigsight.jp/visitor/company/about/compliance.html
コンプライアンス|会社概要|東京ビッグサイト(東京国際展示場)
about 50 95.0× 52
https://www.bigsight.jp/english/visitor/company/
About Us | Visitors | TOKYO BIG SIGHT -Tokyo International Exhibition Center-
about 50 28.3× 111
Showing 20 of 69 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
/visitor/ 29 41 0% 82.3× High JS Bloat
/organizer/ 21 46 0% 141.7× High JS Bloat
/english/ 9 71 0% 13.4× High JS Bloat
/contact/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 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
/products/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 69 pages
twitter.com ×56
youtube.com ×56
bigsight-services.co.jp ×8
matsumotoro.co.jp ×3
kikikanri.biz ×2
coexcenter.com ×2
ufi.org ×2
bizchanexpo.tokyo ×2
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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/bigsight.jp

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

🔗 Similar Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
bigsight.jp (this site) 54 78 Custom / Proprietary 4.4× 0
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premium.pl 64 78 Custom / Proprietary 2.9× 0 Compare →
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📊 Semantic Share of Voice

How often would an AI cite bigsight.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 bigsight.jp. 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": "Bigsight",
  "url": "https://bigsight.jp",
  "logo": "https://bigsight.jp/common/img/android.png",
  "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": "Bigsight",
  "url": "https://bigsight.jp",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://bigsight.jp/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
78
Projected Score
91
Improvement
+13 pts
Add Organization schema +6 pts
Add WebSite schema +4 pts
Reduce token bloat +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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