4yuuu.com 72 B
🛡️ SEO 55 🤖 GEO 79 ⚡ Perf 74 🏗️ Arch 81
Radar → Domains → 4yuuu.com

4yuuu.com — Global SEODiff Score 72/100

4yuuu.com
📊

Among all indexed domains, 4yuuu.com ranks in the top echelon with an ACRI of 87, demonstrating that its content is highly visible to AI systems. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. With a 3.1× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. Structured data coverage is solid at 3 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.

72
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (55) is your bottleneck.
🎯 Top Fix: Fix title tag length → +3 pts
55
🛡️ Traditional SEO
79
🤖 AI Readiness
74
⚡ Performance
81
🏗️ Architecture
🔬 Automated SEODiff Assessment · Snapshot: Mar 16, 2026 · 📋 API
📈 ACRI Trend 20 snapshots
Feb 22 Mar 16
🔔 Recent AI Indexing Activity
🔄 Mar 10 Content change detected
Does your site score higher than 4yuuu.com?
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)55 × 0.25 = 13.8
🤖 AI Readiness / GEO (40% weight)79 × 0.40 = 31.6
⚡ Performance (20% weight)74 × 0.20 = 14.8
🏗️ Architecture & Trust (15% weight)81 × 0.15 = 12.2
Weighted sum = 13.8 + 31.6 + 14.8 + 12.2
Global SEODiff Score = 72 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
100
Structure
avg 35
46
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 8%
Rank #84632
-7 pts
Gap
AI (ACRI)
Top 1%
Score 87/100

4yuuu.com 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 4yuuu.com ranks here

Tech stackCustom / Proprietary
Industry—
RenderingSSR
Schema coverage3 blocks
Token bloat3.1×

Fastest improvements

  • You’re already in decent shape — the next moat is monitoring drift over time.
  • 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…
See other Custom / Proprietary sites → Full leaderboard → Domain A–Z →
🛡️

Traditional SEO

55/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

89 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

383 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 11
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://4yuuu.com
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → ja_JP
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — 4yuuu - 妻、母、そして「私」として生きる女性のためのWEBマガジン
  • ✓ og:description — 30代〜40代を中心とした、主婦・働くママに向けたメディア4yuuu(フォーユー)。子育ても家庭も仕事もおしゃれも。1人でも多くの女性が、「ママになってからの人生は、もっと楽しい！」と感じられるように、ファッションや美容、ライフスタイルについてのHAPPYのヒントを発信します。
  • ✓ 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

79/100 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 100/100 — Excellent
Structured Elements 55 elements (55 lists, 0 rows, 0 headers)
Total Words180
Raw Density30.6%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks3 blocks

Schema Coverage Map

2/7 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

86
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability86/100 — 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

32%
🗑️ 68%
Useful Content (19.5 KB)Bloat (40.4 KB)
Token Bloat Ratio3.1× — Lean

Multimodal Readiness

Visual Context90% Optimized for Vision
Image Alt Coverage35 / 39 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

48 Entropy
Fair Token Bloat: Medium
Noise Ratio: 67.4% · SNR: 0.48 · Signal: 4993 / Noise: 10334 tokens
Run Full Entropy Audit →

🔬 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 4yuuu.com 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 provides a digital magazine for women who are mothers and wives, aiming to deliver happiness and inspiration to
Target Audience
Working mothers, stay-at-home mothers, wives, women aged 30-40
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Focus on a specific demographic (30-40 year old mothers) with original content and expert oversight, providing a curated and relatable experience.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
FashionBeautyGourmet / RecipeInteriorTrip / Go outBaby&Kids / Life style
⚡ Key Pain Points
• Lack of time for self-care and personal interests
• Difficulty finding stylish and functional clothing for motherhood
• Limited time for beauty routines and skincare
• Challenges in planning healthy and appealing meals for families
• Overwhelm with interior design and organization for families
• Anxiety and uncertainty surrounding family travel with young children
• Navigating the challenges of raising children and maintaining a sense of self
Analyzed by SEODiff AI · 2026-03-04

🔧 Tech Stack

FrameworkCustom / Proprietary
AI-Readiness Score50/100
Servernginx/1.12.2
CDN—
HTTP Status200
Load Time521 ms
Raw HTML Size59.9 KB
Visible Text Size19.5 KB
⚡

Performance & Speed

74/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

521 ms
Acceptable — room for improvement

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

📦 Page Weight

570
DOM nodes
60 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=600, public
  • ✗ 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

81/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://4yuuu.com/sitemap/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

82
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_JP
  • ✓ 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 71/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for 4yuuu.com
Pending Audit — score below 80 threshold 
<a href="https://seodiff.io/radar/domains/4yuuu.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=4yuuu.com" 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 63 pages · Deep-10

Homepage ACRI
71
Single-page score
-35
Severe hidden bloat
Δ delta
Site-Wide ACRI
36
Avg across 63 pages · Range 0–62
🔍
Hidden Bloat Detected

Homepage scores 71, but internal pages average only 36 — a -35-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
3%
Topical Drift
TF-IDF cosine similarity
Total Words
6834
Avg Bloat
59.9×
Page Type ACRI Token Bloat Words Status
https://4yuuu.com/articles/1279
新着記事一覧(1279ページ目) | 4yuuu
 blog 62 59.6× 215 ✓
https://4yuuu.com/articles/1266
新着記事一覧(1266ページ目) | 4yuuu
 blog 62 64.7× 202 ✓
https://4yuuu.com/about
4yuuu - 妻、母、そして「私」として生きる女性のためのWEBマガジン
 about 55 127.6× 63 ✓
https://4yuuu.com/articles/1298
新着記事一覧(1298ページ目) | 4yuuu
 blog 52 110.6× 94 ✓
https://4yuuu.com/articles/1295
新着記事一覧(1295ページ目) | 4yuuu
 blog 52 82.0× 157 ✓
https://4yuuu.com/articles/1267
新着記事一覧(1267ページ目) | 4yuuu
 blog 52 80.8× 160 ✓
https://4yuuu.com/articles/1289
新着記事一覧(1289ページ目) | 4yuuu
 blog 52 89.6× 144 ✓
https://4yuuu.com/articles/1297
新着記事一覧(1297ページ目) | 4yuuu
 blog 52 82.4× 156 ✓
https://4yuuu.com/articles/1280
新着記事一覧(1280ページ目) | 4yuuu
 blog 52 92.0× 140 ✓
https://4yuuu.com/articles/1296
新着記事一覧(1296ページ目) | 4yuuu
 blog 52 79.1× 163 ✓
https://4yuuu.com/articles/1290
新着記事一覧(1290ページ目) | 4yuuu
 blog 52 93.2× 138 ✓
https://4yuuu.com/articles/1294
新着記事一覧(1294ページ目) | 4yuuu
 blog 52 88.8× 145 ✓
https://4yuuu.com/articles/1293
新着記事一覧(1293ページ目) | 4yuuu
 blog 52 93.0× 138 ✓
https://4yuuu.com/articles/1287
新着記事一覧(1287ページ目) | 4yuuu
 blog 52 90.1× 143 ✓
https://4yuuu.com/articles/1292
新着記事一覧(1292ページ目) | 4yuuu
 blog 52 92.1× 140 ✓
https://4yuuu.com/articles/1291
新着記事一覧(1291ページ目) | 4yuuu
 blog 52 84.1× 154 ✓
https://4yuuu.com/articles/1288
新着記事一覧(1288ページ目) | 4yuuu
 blog 52 91.1× 141 ✓
https://4yuuu.com/articles/1286
新着記事一覧(1286ページ目) | 4yuuu
 blog 52 89.7× 143 ✓
https://4yuuu.com/articles/1285
新着記事一覧(1285ページ目) | 4yuuu
 blog 52 79.7× 162 ✓
https://4yuuu.com/articles/1284
新着記事一覧(1284ページ目) | 4yuuu
 blog 52 83.5× 155 ✓
Showing 20 of 63 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/ 42 52 0% 81.3× High JS Bloat
/about/ 1 55 0% 127.6× High JS Bloat
/integrations/ 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
/trust/ 1 0 0% 0.0× Low AI Readiness
/security/ 1 0 0% 0.0× Low AI Readiness
/guides/ 1 0 0% 0.0× Low AI Readiness
/demo/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/support/ 1 0 0% 0.0× Low AI Readiness
/resources/ 1 0 0% 0.0× Low AI Readiness
/api/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 39 0% 230.1× High JS Bloat
/blog/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 63 pages
facebook.com ×44
twitter.com ×44
4meee.jp ×44
instagram.com ×44
pinterest.it ×44
4meee.com ×44
iyon.4meee.com ×42
🔄 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/4yuuu.com

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

🔗 Similar Sites

Domains with a similar tech stack, industry, and AI readiness profile to 4yuuu.com. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
4yuuu.com (this site) 71 87 Custom / Proprietary 3.1× 3 —
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spur.hpplus.jp 81 87 Custom / Proprietary 5.7× 3 Compare →
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📊 Semantic Share of Voice

How often would an AI cite 4yuuu.com 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…

📋 Data Export

Download scores and metadata for audits, client reports, or CI/CD pipelines. Exports contain computed metrics only (no copyrighted content).

📄 Generate llms.txt 📊 Export JSON Data 📸 Download Visual

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
Open My Site report → Open Self-Diffing incidents → Open History timeline →

🕒 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.
Free Deep Audit → GSC Error Guide →

📚 Research & Documentation

🔬
The Science of ACRI
Methodology behind the AI-Crawler Reality Index scoring model.
🚨
Hallucination Risk Study
How poor crawl access increases AI fabrication rates by 3.5×.
🔥
Structural Entropy Paper
The median web page wastes 55% of tokens on noise. Here's the data.
🧪
Extraction Lab Paper
Causal evidence that semantic HTML structure increases AI extraction accuracy.
📖
Documentation Hub
Metrics definitions, fix guides, and API reference for CI/CD integration.
🛠️
Free Tools
llms.txt generator, hallucination checker, entropy audit, and more.