youngchampion.jp 59 D
🛡️ SEO 44 🤖 GEO 75 ⚡ Perf 39 🏗️ Arch 69

youngchampion.jp — Global SEODiff Score 59/100

youngchampion.jp
📊

With a solid 66/100 ACRI, youngchampion.jp is well-positioned for AI search — better than 57% of sites in the Radar. Compared to other infrastructure sites (avg score: 57), youngchampion.jp performs above the benchmark, 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. With a 4.5× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. Only 1 schema block is present — adding Organization, WebSite, and Breadcrumb schemas would significantly improve structured data coverage. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

59
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (39) has the most room for improvement.
🎯 Top Fix: Fix title tag length → +3 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 16, 2026 · 📋 API
📈 ACRI Trend 25 snapshots
Feb 22 Mar 16
🔔 Recent AI Indexing Activity
🔄 Mar 16 Content change detected
Does your site score higher than youngchampion.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)44 × 0.25 = 11.0
🤖 AI Readiness / GEO (40% weight)75 × 0.40 = 30.0
⚡ Performance (20% weight)39 × 0.20 = 7.8
🏗️ Architecture & Trust (15% weight)69 × 0.15 = 10.3
Weighted sum = 11.0 + 30.0 + 7.8 + 10.3
Global SEODiff Score = 59 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
29
Structure
avg 35
2
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 2%
Rank #22900
+41 pts
Gap
AI (ACRI)
Top 43%
Score 66/100

youngchampion.jp 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 youngchampion.jp ranks here

Tech stackCustom / Proprietary
RenderingSSR
Schema coverage1 blocks
Token bloat4.5×

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

44/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

177 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

333 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 18
  • ✓ <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 — ヤンチャンWeb(ヤングチャンピオン)
  • ✓ og:description — ヤングチャンピオンWebへ、ようこそ!ヤンチャンWebでは、人気マンガやグラビアが毎日無料!アナタの日常を満たすオールジャンルエンタメサイトです。OUT・僕の心のヤバイやつ・片田舎のおっさん、剣聖になるなどたくさんのマンガが読めます。
  • ✓ 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

75/100 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 →
youngchampion.jp
46
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 29/100 — Low
Structured Elements 9 elements (9 lists, 0 rows, 0 headers)
Total Words348
Raw Density2.6%
💡Low structure score (29/100). Your content appears as a wall of text with few structured HTML elements. You have 9 list items, 0 table rows, 0 table headers. Convert features into <ul> lists and data into <table> elements to help AI models extract structured information.

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 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

54
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability54/100 — AI models can partially extract answers from this page
Crawl CostMedium (50/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

22%
🗑️ 78%
Useful Content (61.6 KB)Bloat (213.1 KB)
Token Bloat Ratio4.5× — Lean

Multimodal Readiness

Visual Context95% Optimized for Vision
Image Alt Coverage145 / 153 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

12 Entropy
Poor Token Bloat: High
Noise Ratio: 77.6% · SNR: 0.29 · Signal: 15777 / Noise: 54549 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 youngchampion.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
This website helps manga readers and creators manage their online presence and engagement.
Target Audience
Manga readers, manga creators, comic artists
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Platform for manga readers and creators to manage their online presence.
📊 Content Depth
3/10
⚡ Key Pain Points
• Lack of clear pricing information
• Limited SEO optimization
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

AI-Readiness Score50/100
Servernginx
CDN
HTTP Status200
Load Time1898 ms
Raw HTML Size274.7 KB
Visible Text Size61.6 KB

Performance & Speed

39/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1898 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1763
DOM nodes
275 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → no-cache, no-store, max-age=0, must-revalidate
  • ✗ 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

69/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

226
internal links
13
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 46/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for youngchampion.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/youngchampion.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=youngchampion.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 116 pages · Deep-10

Homepage ACRI
46
Single-page score
+4
Consistent readability
Δ delta
Site-Wide ACRI
51
Avg across 116 pages · Range 0–57
Total Words
22132
Avg Bloat
89.6×
Page Type ACRI Token Bloat Words Status
https://youngchampion.jp/episodes/2622bc6b603c5
乙女ゲームのヒロインに転生したのに、既に悪役令嬢がちやほやされていた〜恋愛は諦めて魔法を極めます!〜・第6話② | ヤンチャンWeb(ヤングチャンピオン)
other 57 85.6× 226
https://youngchampion.jp/episodes/2e426681a78a0
婚約者に「あなたは将来浮気をしてわたしを捨てるから別れてください」と言ってみた・第23話③ | ヤンチャンWeb(ヤングチャンピオン)
other 57 89.0× 241
https://youngchampion.jp/episodes/57aa2a4e3afb4
白濱美兎・白濱美兎「ヤングチャンピオン」No.4 | ヤンチャンWeb(ヤングチャンピオン)
other 57 79.0× 213
https://youngchampion.jp/episodes/bd0fc6e659ad4
オーロラビジョンにご注目・第4話② | ヤンチャンWeb(ヤングチャンピオン)
other 57 79.3× 229
https://youngchampion.jp/episodes/34e68cdc34cac
ズルくて甘くて愛おしい・#3② | ヤンチャンWeb(ヤングチャンピオン)
other 57 78.8× 222
https://youngchampion.jp/episodes/3abb2c9ad9b2a
修羅場姫・第3話② | ヤンチャンWeb(ヤングチャンピオン)
other 57 79.4× 230
https://youngchampion.jp/episodes/278b24438b144
羽瀬レイナ・羽瀬レイナ「別冊ヤングチャンピオン」3月号 | ヤンチャンWeb(ヤングチャンピオン)
other 57 79.2× 213
https://youngchampion.jp/episodes/1d92d4bf180a0
隣人が私をおもちゃにしてたのに執着してきます・#11 | ヤンチャンWeb(ヤングチャンピオン)
other 57 84.0× 232
https://youngchampion.jp/episodes/26195935360c4
ヒショワン ~秘書は犬ですが何か?~・第6話② | ヤンチャンWeb(ヤングチャンピオン)
other 57 79.5× 234
https://youngchampion.jp/episodes/e9cd754d82212
あのまま、キスしときたかった・#7② | ヤンチャンWeb(ヤングチャンピオン)
other 57 84.2× 230
https://youngchampion.jp/episodes/4417f5d726a9f
虐げられた苺姫は聖女のループに苺で抗う・第14話① | ヤンチャンWeb(ヤングチャンピオン)
other 57 88.0× 234
https://youngchampion.jp/episodes/d28dd8de11e33
異世界行ったら神器の杖がいい感じの太さだったので挿入してみた・第19話 | ヤンチャンWeb(ヤングチャンピオン)
other 57 86.0× 231
https://youngchampion.jp/episodes/6c9c700366970
冷徹メガネの溺愛キス~上司は私の体温を2℃上げる~・#20 | ヤンチャンWeb(ヤングチャンピオン)
other 57 82.0× 222
https://youngchampion.jp/episodes/6e2c2eba2b502
祈りの織姫は恋をする~嫌われ令嬢の身代わりになったら、婚約者が初恋の皇太子様でした~・第8話① | ヤンチャンWeb(ヤングチャンピオン)
other 57 85.8× 232
https://youngchampion.jp/episodes/23443f554f991
5時からヒロイン・第7話③ | ヤンチャンWeb(ヤングチャンピオン)
other 57 83.8× 242
https://youngchampion.jp/episodes/cca1ebf58e147
君を食べたい・#11② | ヤンチャンWeb(ヤングチャンピオン)
other 57 84.8× 235
https://youngchampion.jp/episodes/40fb0f5c4b89c
猫又黒兵衛・第5話 其の一① | ヤンチャンWeb(ヤングチャンピオン)
other 57 78.7× 243
https://youngchampion.jp/episodes/e372e9062f5f8
女性用風俗(他)取材してきました。・第30話 | ヤンチャンWeb(ヤングチャンピオン)
other 57 81.1× 221
https://youngchampion.jp/episodes/56c53841b96fe
サンタ令嬢は眠れぬ騎士へのプレゼントになりたくない・第9話① | ヤンチャンWeb(ヤングチャンピオン)
other 57 83.1× 232
https://youngchampion.jp/episodes/4976352bc5527
優しい婚約者の様子が変です〜お嬢様は黒髪の魔法使いに恋をする〜・第11話① | ヤンチャンWeb(ヤングチャンピオン)
other 57 88.3× 229
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
/episodes/ 105 55 0% 95.4× High JS Bloat
/about/ 1 37 0% 121.3× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/tutorial/ 1 47 0% 139.3× High JS Bloat
/blog/ 1 37 0% 121.2× High JS Bloat
/products/ 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
/contact/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 116 pages
aebs.or.jp ×108
comici.co.jp ×108
akitashoten-web.zendesk.com ×106
twitter.com ×104
comici.jp ×92
support.comici.jp ×2
souffle.life ×2
x.com ×2
🔄 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/youngchampion.jp

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

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youngchampion.jp (this site) 46 66 Custom / Proprietary 4.5× 1
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📊 Semantic Share of Voice

How often would an AI cite youngchampion.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 youngchampion.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": "Youngchampion",
  "url": "https://youngchampion.jp",
  "logo": "https://cdn-public.comici.jp/content/default/favicon/2023032810172648922955DD0A761AA780326B63EC8BADD32.jpg",
  "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 Youngchampion?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Youngchampion does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Youngchampion work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Youngchampion."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
66
Projected Score
78
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
🔍 Found indexing issues?
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