ichijinsha.co.jp 52 D
🛡️ SEO 15 🤖 GEO 70 ⚡ Perf 68 🏗️ Arch 42

ichijinsha.co.jp — Global SEODiff Score 52/100

ichijinsha.co.jp
📊

At 72/100, the ACRI for ichijinsha.co.jp indicates strong fundamentals in AI extractability, surpassing the majority of indexed sites. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. With a 3.7× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. No structured data was detected, which means AI systems must infer all entities and relationships from raw HTML alone. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

52
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Traditional SEO (15) has the most room for improvement.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 8 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 13 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)15 × 0.25 = 3.8
🤖 AI Readiness / GEO (40% weight)70 × 0.40 = 28.0
⚡ Performance (20% weight)68 × 0.20 = 13.6
🏗️ Architecture & Trust (15% weight)42 × 0.15 = 6.3
Weighted sum = 3.8 + 28.0 + 13.6 + 6.3
Global SEODiff Score = 52 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
59
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 42%
Rank #416005
-14 pts
Gap
AI (ACRI)
Top 27%
Score 72/100

ichijinsha.co.jp is more visible to Google than to AI models. There's room to improve AI discoverability to match your search reputation. ACRI measures technical crawler readiness. Read the methodology →

Why ichijinsha.co.jp ranks here

Tech stackCustom / Proprietary
Industry
RenderingSSR
Schema coverage0 blocks
Token bloat3.7×

Fastest improvements

  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • 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

15/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

12 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

180 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 0
  • ✓ Has <h2> headings — found 17
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✗ Canonical tag present
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✗ HTML lang attribute
  • ✗ Hreflang tags
  • ✓ 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

70/100 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 59/100 — Fair
Structured Elements 21 elements (21 lists, 0 rows, 0 headers)
Total Words204
Raw Density10.3%

🏷️ 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

62
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability62/100 — AI models can partially 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

27%
🗑️ 73%
Useful Content (7.9 KB)Bloat (21.7 KB)
Token Bloat Ratio3.7× — Lean

Multimodal Readiness

Visual Context6% Optimized for Vision
Image Alt Coverage3 / 54 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Only 6% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

32 Entropy
Poor Token Bloat: High
Noise Ratio: 73.3% · SNR: 0.37 · Signal: 2026 / Noise: 5550 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 ichijinsha.co.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
One迅社 provides a web platform for reading manga and novels, offering a wide selection of titles across various genres, including
Target Audience
Manga readers, novel readers, anime fans, and general web users interested in Japanese comics and literature.
Pricing Model
Freemium - Primarily free access to a vast library of manga and novels, with potential premium tiers for ad-free reading or exclusive content (details not specified).
🔗 Integration Partners
pixivYouTube
🏆 Competitive Moat
Vast library of manga and novels, including exclusive titles and ongoing updates, combined with a user-friendly web platform and a strong community.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
New releases listed on a monthly basisLinks to pixivLinks to YouTubeCalendar of new releases
⚡ Key Pain Points
• Limited information on premium features and pricing
• Lack of explicit details on integration functionality beyond links
Analyzed by SEODiff AI · 2026-03-19

🔧 Tech Stack

AI-Readiness Score50/100
Servernginx
CDN
HTTP Status200
Load Time1510 ms
Raw HTML Size29.6 KB
Visible Text Size7.9 KB

Performance & Speed

68/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1510 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

391
DOM nodes
30 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✗ 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

42/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

28
internal links
19
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
  • ✓ 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 48/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for ichijinsha.co.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/ichijinsha.co.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=ichijinsha.co.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
48
Single-page score
-6
Moderate hidden bloat
Δ delta
Site-Wide ACRI
42
Avg across 10 pages · Range 42–42
Total Words
1970
Avg Bloat
30.1×
Page Type ACRI Token Bloat Words Status
https://ichijinsha.co.jp/pricing
一迅社WEB
pricing 42 30.1× 197
https://ichijinsha.co.jp/about
一迅社WEB
about 42 30.1× 197
https://ichijinsha.co.jp/products
一迅社WEB
product 42 30.1× 197
https://ichijinsha.co.jp/features
一迅社WEB
product 42 30.1× 197
https://ichijinsha.co.jp/docs
一迅社WEB
docs 42 30.1× 197
https://ichijinsha.co.jp/blog
一迅社WEB
blog 42 30.1× 197
https://ichijinsha.co.jp/case-studies
一迅社WEB
social-proof 42 30.1× 197
https://ichijinsha.co.jp/contact
一迅社WEB
support 42 30.1× 197
https://ichijinsha.co.jp/faq
一迅社WEB
support 42 30.1× 197
https://ichijinsha.co.jp/integrations
一迅社WEB
integrations 42 30.1× 197
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/about/ 1 42 0% 30.1× High JS Bloat
/blog/ 1 42 0% 30.1× High JS Bloat
/docs/ 1 42 0% 30.1× High JS Bloat
/faq/ 1 42 0% 30.1× High JS Bloat
/products/ 1 42 0% 30.1× High JS Bloat
/pricing/ 1 42 0% 30.1× High JS Bloat
/contact/ 1 42 0% 30.1× High JS Bloat
/integrations/ 1 42 0% 30.1× High JS Bloat
/case-studies/ 1 42 0% 30.1× High JS Bloat
/features/ 1 42 0% 30.1× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 10 pages
ichijin-shop.jp ×10
hanisuka.deregula.com ×10
futsutsuka.net ×10
ibikona-anime.com ×10
twitter.com ×10
ichijinsha-20th.com ×10
infinitedayo.jp ×10
2nd.azurlane-bisoku.jp ×10
🔄 Re-Crawl & Update 📡 Track this Domain

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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/ichijinsha.co.jp

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🔗 Similar Sites

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

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ichijinsha.co.jp (this site) 48 72 Custom / Proprietary 3.7× 0
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📊 Semantic Share of Voice

How often would an AI cite ichijinsha.co.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 ichijinsha.co.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": "Co",
  "url": "https://ichijinsha.co.jp",
  "logo": "https://ichijinsha.co.jp/logo.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": "Co",
  "url": "https://ichijinsha.co.jp",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://ichijinsha.co.jp/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</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 Co?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Co does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Co work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Co."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
72
Projected Score
85
Improvement
+13 pts
Add Organization schema +6 pts
Add WebSite schema +4 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
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