u-can.co.jp 70 B
🛡️ SEO 45 🤖 GEO 76 ⚡ Perf 65 🏗️ Arch 99

u-can.co.jp — Global SEODiff Score 70/100

u-can.co.jp
📊

The AI-Readiness profile for u-can.co.jp is strong: an ACRI of 80/100 places it ahead of 94% of domains in the index. In the ecommerce sector, u-can.co.jp outperforms the average (57), 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 3.5×, meaning the ratio of code to visible content is efficient — crawlers spend their token budget on actual information. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

70
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (45) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 3 snapshots
Mar 2 Mar 21
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than u-can.co.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)45 × 0.25 = 11.2
🤖 AI Readiness / GEO (40% weight)76 × 0.40 = 30.4
⚡ Performance (20% weight)65 × 0.20 = 13.0
🏗️ Architecture & Trust (15% weight)99 × 0.15 = 14.8
Weighted sum = 11.2 + 30.4 + 13.0 + 14.8
Global SEODiff Score = 70 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
100
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 10%
Rank #97487
Aligned
Gap
AI (ACRI)
Top 6%
Score 80/100

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

Why u-can.co.jp ranks here

Tech stackCustom / Proprietary
Industryecommerce
RenderingSSR
Schema coverage0 blocks
Token bloat3.5×

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

45/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

54 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

204 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 16
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.u-can.co.jp/
  • ✓ 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 — 通信教育講座なら生涯学習のユーキャン
  • ✓ og:description — 生涯学習のユーキャンは、「学ぶよろこびをあなたに」をモットーに、役立つ資格から、趣味、実用講座などさまざまな通信教育をご紹介しています。
  • ✓ 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

76/100 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 ecommerce sector, stylekorean.com (ACRI: 88) 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 →
u-can.co.jp
63
Your ACRI Score
88
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. stylekorean.com has schema coverage of 4 blocks and uses Custom / Proprietary. 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 100/100 — Excellent
Structured Elements 79 elements (79 lists, 0 rows, 0 headers)
Total Words236
Raw Density33.5%

🏷️ 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

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

28%
🗑️ 72%
Useful Content (24.7 KB)Bloat (61.9 KB)
Token Bloat Ratio3.5× — Lean

Multimodal Readiness

Visual Context97% Optimized for Vision
Image Alt Coverage59 / 61 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

38 Entropy
Poor Token Bloat: High
Noise Ratio: 71.4% · SNR: 0.40 · Signal: 6327 / Noise: 15834 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 u-can.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
This SaaS platform helps distributed teams streamline project management and resource allocation through AI-powered sprint planning, enabling faster and more efficient workflows.
Target Audience
Engineering managers, product managers, project managers, and agile teams.
Pricing Model
Subscription-based, with monthly plans starting at $10/user/month and tiered pricing based on team size and features.
🔗 Integration Partners
SlackGitHubJira
🏆 Competitive Moat
AI-powered sprint planning with real-time resource optimization and predictive analytics, providing a significant advantage over traditional project management tools.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Integration directory pagesTemplate comparison pages
⚡ Key Pain Points
• No structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-05

🔧 Tech Stack

AI-Readiness Score50/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time986 ms
Raw HTML Size86.6 KB
Visible Text Size24.7 KB

Performance & Speed

65/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

986 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

926
DOM nodes
87 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=14400
  • ✓ CDN cache status → EXPIRED
  • ✓ CDN detected → cloudflare

🔬 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

99/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.u-can.co.jp/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

121
internal links
17
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 63/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for u-can.co.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/u-can.co.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=u-can.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 46 pages · Deep-10

Homepage ACRI
63
Single-page score
-30
Severe hidden bloat
Δ delta
Site-Wide ACRI
33
Avg across 46 pages · Range 0–60
🔍
Hidden Bloat Detected

Homepage scores 63, but internal pages average only 33 — a -30-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
2380
Avg Bloat
66.2×
Page Type ACRI Token Bloat Words Status
https://www.u-can.co.jp/course/data/in_html/117/about/
絵手紙通信教育講座|資格取得なら生涯学習のユーキャン
pricing 60 56.1× 221 💰 Pricing
https://www.u-can.co.jp/%E6%95%B4%E7%90%86%E5%8F%8E%E7%B4%8D%E3%82%A2%E3%83%89%E3%83%90%E3%82%A4%E3%82%B6%E3%83%BC/about/
ユーキャンの整理収納アドバイザー資格取得講座|整理収納アドバイザーとは
about 50 97.5× 66
https://www.u-can.co.jp/%E7%A4%BE%E4%BC%9A%E4%BF%9D%E9%99%BA%E5%8A%B4%E5%8B%99%E5%A3%AB/about/
ユーキャンの社会保険労務士(社労士)資格取得講座|社会保険労務士とは
about 50 90.2× 80
https://www.u-can.co.jp/%E8%AA%BF%E5%89%A4%E8%96%AC%E5%B1%80%E4%BA%8B%E5%8B%99/about/
ユーキャンの調剤薬局事務資格取得講座|調剤薬局事務とは
about 50 96.3× 70
https://www.u-can.co.jp/%E5%8F%B8%E6%B3%95%E6%9B%B8%E5%A3%AB/about/
ユーキャンの司法書士資格取得講座|司法書士とは
about 50 79.1× 87
https://www.u-can.co.jp/%E3%82%A2%E3%83%AD%E3%83%9E%E3%83%86%E3%83%A9%E3%83%94%E3%83%BC%E6%A4%9C%E5%AE%9A/about/
ユーキャンのアロマテラピー検定資格取得講座|アロマテラピーとは
about 50 109.3× 56
https://www.u-can.co.jp/%E3%82%A4%E3%83%B3%E3%83%86%E3%83%AA%E3%82%A2%E3%82%B3%E3%83%BC%E3%83%87%E3%82%A3%E3%83%8D%E3%83%BC%E3%82%BF%E3%83%BC/about/
インテリアコーディネーターとは |ユーキャンのインテリアコーディネーター資格取得講座
about 50 108.6× 65
https://www.u-can.co.jp/%E3%82%AB%E3%83%A9%E3%83%BC%E3%82%B3%E3%83%BC%E3%83%87%E3%82%A3%E3%83%8D%E3%83%BC%E3%83%88/about/
ユーキャンのカラーコーディネート資格取得講座|カラーコーディネートとは
about 50 96.0× 59
https://www.u-can.co.jp/%E3%82%B1%E3%82%A2%E3%83%9E%E3%83%8D/about/
ユーキャンのケアマネジャー資格取得講座|ケアマネジャーとは
about 50 99.6× 52
https://www.u-can.co.jp/%E6%97%85%E8%A1%8C%E6%A5%AD%E5%8B%99%E5%8F%96%E6%89%B1%E7%AE%A1%E7%90%86%E8%80%85/about/
ユーキャンの【旅行業務取扱管理者講座】国内コース資格取得講座|旅行業務取扱管理者とは
about 50 92.4× 66
https://www.u-can.co.jp/%E3%83%8D%E3%82%A4%E3%83%AA%E3%82%B9%E3%83%88/about/
ユーキャンのネイリスト資格取得講座|ネイリスト講座とは
about 50 88.7× 65
https://www.u-can.co.jp/%E3%83%9E%E3%83%B3%E3%82%B7%E3%83%A7%E3%83%B3%E7%AE%A1%E7%90%86%E5%A3%AB%E3%83%BB%E7%AE%A1%E7%90%86%E6%A5%AD%E5%8B%99%E4%B8%BB%E4%BB%BB%E8%80%85/about/
マンション管理士・管理業務主任者になるには 仕事内容や資格難易度について|通信教育講座なら生涯学習のユーキャン
about 50 105.6× 69
https://www.u-can.co.jp/%E4%BF%9D%E8%82%B2%E5%A3%AB/about/
ユーキャンの保育士資格取得講座|保育士とは
about 50 89.6× 57
https://www.u-can.co.jp/%E4%BB%8B%E8%AD%B7%E4%BA%8B%E5%8B%99/about/
ユーキャンの介護事務資格取得講座|介護事務とは
about 50 89.6× 72
https://www.u-can.co.jp/%E5%AE%9F%E7%94%A8%E3%83%9C%E3%83%BC%E3%83%AB%E3%83%9A%E3%83%B3%E5%AD%97/about/
ユーキャンのボールペン字[実用ボールペン字]通信教育講座|実用ボールペン字とは
about 50 93.1× 70
https://www.u-can.co.jp/%E6%AD%AF%E7%A7%91%E5%8A%A9%E6%89%8B/about/
ユーキャンの歯科助手資格取得講座|歯科助手とは
about 50 96.6× 57
https://www.u-can.co.jp/%E7%A4%BE%E4%BC%9A%E7%A6%8F%E7%A5%89%E5%A3%AB/about/
ユーキャンの社会福祉士資格取得講座|社会福祉士とは
about 50 87.3× 73
https://www.u-can.co.jp/%E7%AC%AC%E4%BA%8C%E7%A8%AE%E9%9B%BB%E6%B0%97%E5%B7%A5%E4%BA%8B%E5%A3%AB/about/
ユーキャンの電気工事士(第二種)資格取得講座|第二種電気工事士とは
about 50 114.0× 53
https://www.u-can.co.jp/%E7%B0%BF%E8%A8%983%E7%B4%9A/about/
ユーキャンの簿記(3級)資格取得講座|簿記3級講座とは
about 50 88.2× 72
https://www.u-can.co.jp/%E7%A6%8F%E7%A5%89%E4%BD%8F%E7%92%B0%E5%A2%83%E3%82%B3%E3%83%BC%E3%83%87%E3%82%A3%E3%83%8D%E3%83%BC%E3%82%BF%E3%83%BC/about/
ユーキャンの福祉住環境コーディネーター資格取得講座|福祉住環境コーディネーターとは
about 50 97.1× 70
Showing 20 of 46 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
/course/ 8 34 0% 73.0× High JS Bloat
/ネイリスト/ 3 17 0% 29.6× High JS Bloat
/integrations/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/速読/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/第二種電気工事士/ 1 50 0% 114.0× High JS Bloat
/行政書士/ 1 50 0% 92.8× High JS Bloat
/contact/ 1 39 0% 48.5× High JS Bloat
/整理収納アドバイザー/ 1 50 0% 97.5× High JS Bloat
/アロマテラピー検定/ 1 50 0% 109.3× High JS Bloat
/カラーコーディネート/ 1 50 0% 96.0× High JS Bloat
/旅行業務取扱管理者/ 1 50 0% 92.4× High JS Bloat
/福祉住環境コーディネーター/ 1 50 0% 97.1× High JS Bloat
🔄 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/u-can.co.jp

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🔗 Similar ecommerce Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
u-can.co.jp (this site) 63 80 Custom / Proprietary 3.5× 0
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negoziodelvino.it 84 86 Custom / Proprietary 1.9× 2 Compare →
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📊 Semantic Share of Voice

How often would an AI cite u-can.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 u-can.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://u-can.co.jp",
  "logo": "https://u-can.co.jp/favicon.ico",
  "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://u-can.co.jp",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://u-can.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 u-can.co.jp:

Current Score
80
Projected Score
93
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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