bunshun.jp 65 C
🛡️ SEO 46 🤖 GEO 85 ⚡ Perf 40 🏗️ Arch 79

bunshun.jp — Global SEODiff Score 65/100

bunshun.jp
📊

The AI-Readiness profile for bunshun.jp is strong: an ACRI of 80/100 places it ahead of 94% of domains in the index. In the infrastructure sector, bunshun.jp outperforms the average (58), suggesting strong competitive positioning in AI search. The low ghost ratio (5%) confirms that what crawlers see matches what users see — a hallmark of strong SSR implementation. The token bloat ratio sits at a lean 4.7×, meaning the ratio of code to visible content is efficient — crawlers spend their token budget on actual information. Structured data coverage is solid at 2 blocks, covering core entities — expanding to include FAQ or Breadcrumb schemas could strengthen the profile further. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

65
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Performance (40) is your bottleneck.
🎯 Top Fix: Fix title tag length → +3 pts
🔬 Automated SEODiff Assessment · Snapshot: Feb 27, 2026 · 📋 API
📈 ACRI Trend 23 snapshots
Feb 22 Feb 27
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than bunshun.jp?
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)85 × 0.40 = 34.0
⚡ Performance (20% weight)40 × 0.20 = 8.0
🏗️ Architecture & Trust (15% weight)79 × 0.15 = 11.8
Weighted sum = 11.5 + 34.0 + 8.0 + 11.8
Global SEODiff Score = 65 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
97
Structure
avg 36
4
Schema
avg 9
55
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 1%
Rank #13264
Aligned
Gap
AI (ACRI)
Top 6%
Score 80/100

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

Why bunshun.jp ranks here

Tech stackExpress
RenderingSSR
Schema coverage2 blocks
Token bloat4.7×

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

72 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

210 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 9
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://bunshun.jp/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → ja
  • ✗ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — 文春オンライン | 世の中の「ほんとう」がわかります
  • ✓ og:description — 文藝春秋が運営するニュースサイト。文春オンラインは世の中を驚かせるスクープから、毎日の仕事や生活に役立つ話題までお届けする情報メディアです。
  • ✓ 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 →
bunshun.jp
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 97/100 — Excellent
Structured Elements 109 elements (109 lists, 0 rows, 0 headers)
Total Words385
Raw Density28.3%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks2 block(s) — Basic (low value for AI)

Schema Coverage Map

1/7 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.

📐 AI Efficiency Metrics Docs

75
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability75/100 — AI models can easily 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

21%
🗑️ 79%
Useful Content (23.6 KB)Bloat (86.8 KB)
Token Bloat Ratio4.7× — Lean

Multimodal Readiness

Visual Context93% Optimized for Vision
Image Alt Coverage110 / 118 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

8 Entropy
Poor Token Bloat: High
Noise Ratio: 78.6% · SNR: 0.27 · Signal: 6037 / Noise: 22231 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

A local LLM (mlx-community/gemma-3-4b-it-qat-4bit) analyzed the extracted content of bunshun.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
文春オンライン delivers news and investigative stories, including scoops and daily life content.
Target Audience
Journalists, news consumers, readers interested in investigative reporting.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Exclusive investigative journalism and reporting.
📊 Content Depth
3/10
Model: mlx-community/gemma-3-4b-it-qat-4bit · Analyzed: 2026-03-01 · Data extracted from the site’s main content via strict JSON prompting.

🔧 Tech Stack

FrameworkExpress
AI-Readiness Score55/100
Server
CDN
HTTP Status200
Load Time4021 ms
Raw HTML Size110.4 KB
Visible Text Size23.6 KB

Performance & Speed

40/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

4021 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1024
DOM nodes
110 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=0, private, must-revalidate
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

2
tracker scripts
2
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
taboola.comfacebook.net
📐 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
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

179
internal links
16
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 68/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for bunshun.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/bunshun.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=bunshun.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 135 pages · Deep-10

Homepage ACRI
68
Single-page score
-9
Moderate hidden bloat
Δ delta
Site-Wide ACRI
60
Avg across 135 pages · Range 50–60
Total Words
31772
Avg Bloat
82.1×
Page Type ACRI Token Bloat Words Status
https://bunshun.jp/articles/-/86425
「既婚者の子を産みたくなかった」“独身偽装”テレビマンとマッチングアプリで出会い→妊娠…提訴し認められた“慰謝料の額” | 文春オンライン
blog 60 78.3× 260
https://bunshun.jp/articles/-/86502
「娘の遺体は凍っていた」14歳少女がマイナス17℃の旭川で凍死…背景に「性的な辱め」のトラウマ《7000万円支払いで遺族と和解成立へ》 | 文春オンライン
blog 60 84.2× 230
https://bunshun.jp/articles/-/86437
「他の男性に取られたくない」告白してきた航空自衛官は既婚者だった…被害女性が振り返る“交際までのやりとり”「土日に制服姿で現れることも」自撮り写真を送られ… | 文春オンライン
blog 60 78.2× 256
https://bunshun.jp/articles/-/86467
「下腹部は血まみれ」「顔はカラスに突かれていた」林で発見されたのは6歳少女の遺体…無実の青年を「死刑囚に変えた」警察の暴走(昭和29年の冤罪事件) | 文春オンライン
blog 60 85.7× 221
https://bunshun.jp/articles/-/86534
7億円詐欺「かけ子」リーダーはプルデンシャル生命社員だった、テスラジャパン“自爆営業”の内幕を告発、クスリのアオキが買収防衛策、米軍を震撼させたミリオタ住友商事マン【今週の「週刊文春」企業インサイドリポート】 | 文春オンライン
blog 60 85.1× 248
https://bunshun.jp/articles/-/86423
「日銀は債務超過になってもなんてことない」前日銀総裁・黒田東彦氏が明かした意外な本音〈成田悠輔対談〉 | 文春オンライン
blog 60 74.4× 260
https://bunshun.jp/articles/-/86452
「これは僕の人生の問題です」村上世彰が周囲に宣言した“フジテレビと最終決着”の覚悟…「フジvs.村上氏」20年目の復讐劇 | 文春オンライン
blog 60 78.0× 250
https://bunshun.jp/articles/-/86436
「独身偽装は性犯罪と同じ」航空自衛官に騙された女性の告白…航空自衛隊千歳基地の管理職から投げかけられた“衝撃の一言” | 文春オンライン
blog 60 77.7× 252
https://bunshun.jp/articles/-/86468
「下着がグジョグジョ」警察に首を絞められ「失禁した」だけじゃない…“少女殺しの罪”で死刑を宣告された『22歳青年のその後』(昭和29年の冤罪事件) | 文春オンライン
blog 60 84.1× 225
https://bunshun.jp/articles/-/86401
敵のパソコン1台で130隻の艦艇の指揮通信系統が攪乱される…海上自衛隊員が流出させていたた“情報”の“ヤバすぎる中身” | 文春オンライン
blog 60 83.4× 227
https://bunshun.jp/articles/-/86123
「おれは何がしたかったのか」27歳で大学入学、31歳で就職…「人生に光が見えない男」が見つけた『暴力団博士』という天職 | 文春オンライン
blog 60 83.9× 226
https://bunshun.jp/articles/-/86450
12匹の飼い猫をみな殺し、誘拐した少年にわいせつしてたのに…《中1男児誘拐ホルマリン漬け事件》“問題だらけの犯人男”を誰も止められなかった謎(昭和32年の事件) | 文春オンライン
blog 60 83.6× 227
https://bunshun.jp/articles/-/86324
「社会はそんなに甘くない」民間企業から就職を拒絶されただけじゃない…元ヤクザ幹部が身にしみた、暴力団離脱者を許さない「世間の厳しい目」 | 文春オンライン
blog 60 84.2× 229
https://bunshun.jp/articles/-/86119
焼け跡から見つかったのは4人の焼死体…「裁判で否定すればいい」無実の男性(24)を“死刑へ導いた”警察スパイの正体(昭和30年の冤罪事件) | 文春オンライン
blog 60 83.4× 226
https://bunshun.jp/articles/-/86354
「エプスタイン文書に名前がなければ…」“島”で少女を囲って性的虐待、有名セレブも次々と…“エプスタイン事件”にアメリカ人が戦慄する「本当の理由」 | 文春オンライン
blog 60 82.1× 236
https://bunshun.jp/articles/-/86453
「日枝さんを紹介してほしい」村上世彰がフジテレビ問題渦中に頼み込んでいた要望…「フジvs.村上氏」20年目の復讐劇 | 文春オンライン
blog 60 81.0× 239
https://bunshun.jp/articles/-/86482
司馬遼太郎は「なんとおろかな国にうまれたことか」と…絶筆『この国のかたち』に込めた真意を磯田道史が読み解く【没後30年】 | 文春オンライン
blog 60 79.9× 237
https://bunshun.jp/articles/-/86449
「ついに理想の少年を見つけた」誘拐した中1男子をノコギリで切断、ホルマリン漬けに…26歳・犯人男の“恐るべき犯行理由”(昭和32年の事件) | 文春オンライン
blog 60 83.8× 227
https://bunshun.jp/articles/-/86533
「女ぶん殴ってでも、営業メールを送らせろ」“ヤクザが経営するフィリピンパブ”に就職してしまった41歳男性の悲劇(平成24年の凶悪事件) | 文春オンライン
blog 60 82.0× 241
https://bunshun.jp/articles/-/86525
天皇陛下はご回答が難しい「愛子さまの今後」について記者会見で…「愛子にも一人の人間として」“揺れる父親の心” | 文春オンライン
blog 60 86.1× 219
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
/articles/ 135 60 0% 82.1× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 135 pages
youtube.com ×135
books.bunshun.jp ×135
crea.bunshun.jp ×135
threads.net ×135
recruit.bunshun.co.jp ×135
msn.com ×135
timeline.line.me ×135
aebs.or.jp ×135
🔄 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/bunshun.jp

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

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📊 Semantic Share of Voice

How often would an AI cite bunshun.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 bunshun.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": "Bunshun",
  "url": "https://bunshun.jp",
  "logo": "https://bunshun.jp/common/images/chrome-icon.png",
  "sameAs": []
}
</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 Bunshun?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Bunshun does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Bunshun work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Bunshun."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
80
Projected Score
92
Improvement
+12 pts
Add Organization schema +6 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