aucfan.com 34 F
🛡️ SEO 12 🤖 GEO 42 ⚡ Perf 50 🏗️ Arch 25

aucfan.com — Global SEODiff Score 34/100

aucfan.com
📊

aucfan.com registers just 0/100 on the ACRI scale — a bottom-tier result indicating systemic AI visibility problems. Compared to other infrastructure sites (avg score: 57), aucfan.com is trailing the benchmark, indicating room for competitive improvement. Content is delivered server-side, meaning bots and AI agents can parse the full page without executing JavaScript. The token bloat ratio sits at a lean 1.0×, 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. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

34
F — Global SEODiff Score
Comprehensive search visibility assessment
Significant improvement opportunities. Start with Traditional SEO (12).
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
⚠️ Crawl Blocked: infrastructure_rate_limit
🔬 Automated SEODiff Assessment · Snapshot: Apr 3, 2026 · 📋 API
📈 ACRI Trend 2 snapshots
Mar 2 Mar 9
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than aucfan.com?
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)12 × 0.25 = 3.0
🤖 AI Readiness / GEO (40% weight)42 × 0.40 = 16.8
⚡ Performance (20% weight)50 × 0.20 = 10.0
🏗️ Architecture & Trust (15% weight)25 × 0.15 = 3.8
Weighted sum = 3.0 + 16.8 + 10.0 + 3.8
Global SEODiff Score = 34 (F)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
0
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 4%
Rank #41785
+96 pts
Gap
AI (ACRI)
Top 100%
Score 0/100

aucfan.com 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 aucfan.com ranks here

Tech stack
RenderingSSR
Schema coverage0 blocks
Token bloat0.0×

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…

⚠️ Crawl Failed: Anti-Bot Protection Detected

infrastructure_rate_limit

The scores below may not reflect actual site quality. The crawler received a challenge page instead of real content.

🛡️

Traditional SEO

12/100 25 % of Global Score 🔴 Low Confidence

📝 Title Tag

0 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

0 chars
Missing

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 0
  • ✗ Has <h2> headings — found 0
  • ✓ <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

42/100 40 % of Global Score 🟡 Medium 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 →
aucfan.com
18
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 0%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 0/100 — Poor
Structured Elements 0 elements (0 lists, 0 rows, 0 headers)
Total Words0
Raw Density0.0%
💡Low structure score (0/100). Very little extractable text detected (0 words). AI crawlers may be blocked from accessing the real page content — check the Ghost Ratio and Bot Access sections.

🏷️ 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

45
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability45/100 — 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

100%
🗑️ 0%
Useful Content (0 B)Bloat (0 B)
Token Bloat Ratio0.0× — Lean

Multimodal Readiness

Visual ContextNo images detected
Image Alt Coverage0 / 0 images have alt text

TDM Rights

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

🔬 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 aucfan.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 SaaS platform provides a comprehensive price comparison tool for online marketplaces like Yahoo!オークション and other e-commerce sites, enabling users
Target Audience
Online shoppers, bargain hunters, and users seeking to avoid overpaying for goods.
Pricing Model
Freemium with a premium subscription (オークファンプレミアム) offering advanced features like image search and detailed price analysis.
🔗 Integration Partners
Yahoo!オークションモバオクメルカリセカイモンショッピング・フリマAmazon楽天市場Yahoo!ショッピング
🏆 Competitive Moat
Extensive price database and sophisticated price comparison algorithms, combined with a user-friendly interface and integration with major online marketplaces.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Integration directory pagesTemplate comparison pagesSearch for price rangesSave search conditions
⚡ Key Pain Points
• Thin landing pages for features
• Limited search history
• Lack of image search functionality in the free version
Analyzed by SEODiff AI · 2026-02-28

🔧 Tech Stack

Framework
AI-Readiness Score50/100
Serverawselb/2.0
CDNgeneric
HTTP Status429
Load Time734 ms
Raw HTML Size0 B
Visible Text Size0 B

Performance & Speed

50/100 20 % of Global Score 🔴 Low Confidence

⏱️ Time to First Byte

0 ms
Excellent — server responds instantly

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

📦 Page Weight

0
DOM nodes
0 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✗ CDN cache status
  • ✓ CDN detected → generic

🔬 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

25/100 15 % of Global Score 🔴 Low Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

0
internal links
0
external links
Very few internal links — crawlers may miss important pages

🔒 Security & Trust

  • ✗ HSTS header (Strict-Transport-Security)
  • ✗ Content-Security-Policy header
  • ✗ HTTP status 200 OK (got 429)

♿ 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 is currently blocking AI crawlers. Unblock them and rescan to earn your AI-Verified badge.

AI-Verified badge for aucfan.com
Unverified — crawl access is blocked
<a href="https://seodiff.io/radar/domains/aucfan.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=aucfan.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 1006 pages · Deep-10

Homepage ACRI
18
Single-page score
-16
Moderate hidden bloat
Δ delta
Site-Wide ACRI
2
Avg across 1006 pages · Range 0–62
🔍
Hidden Bloat Detected

Homepage scores 18, but internal pages average only 2 — a -16-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
10845
Avg Bloat
2.3×
RAG Fractures [?]
2
⚠️
2 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 2 pages will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://aucfan.com/pricing
買うときも売るときもオークファン - Yahoo!オークション(旧ヤフオク!)や通販サイトの価格データで適切な相場を検索
pricing 62 39.4× 1050
https://aucfan.com/products
買うときも売るときもオークファン - Yahoo!オークション(旧ヤフオク!)や通販サイトの価格データで適切な相場を検索
product 62 39.4× 1050
http://aucfan.com/site_count.html
買うときも売るときもオークファン - Yahoo!オークション(旧ヤフオク!)や通販サイトの価格データで適切な相場を検索
other 62 38.5× 1070
http://aucfan.com/netbank.html
買うときも売るときもオークファン - Yahoo!オークション(旧ヤフオク!)や通販サイトの価格データで適切な相場を検索
other 62 38.5× 1070
http://aucfan.com/index.html
買うときも売るときもオークファン - Yahoo!オークション(旧ヤフオク!)や通販サイトの価格データで適切な相場を検索
other 62 38.5× 1070
http://aucfan.com/profile.htm
買うときも売るときもオークファン - Yahoo!オークション(旧ヤフオク!)や通販サイトの価格データで適切な相場を検索
other 62 38.5× 1070
https://aucfan.com/static/user/pro/product/
オークファンプロPlus|せどり・物販向けのリサーチ分析ツール
pricing 60 46.5× 307 💰 Pricing
http://aucfan.com/company/pp.html
プライバシーポリシー | 株式会社オークファン
about 52 30.5× 289
http://aucfan.com/auctemp/
オークファン出品テンプレート
other 52 51.9× 260
http://aucfan.com/searchhelp.htm
�ڡ�ˤĤ�ơݥ�ե�Х�ޥ�amazon�ˡ�ŷ�ʤɥ�ӡ�측�aucfan.com
pricing 52 35.3× 238 💰 Pricing
https://aucfan.com/static/user/pro/product/voice/
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | お客様の声
product 50 41.6× 110
https://aucfan.com/static/user/pro/product/faq/
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | よくあるご質問
product 50 56.9× 127
https://aucfan.com/static/user/pro/product/function/image.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 機能 | 画像検索
product 50 47.7× 112
https://aucfan.com/static/user/pro/product/function/movie.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 機能 | 動画サポート
product 50 46.5× 119
https://aucfan.com/static/user/pro/product/scene/search.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 活用シーン | 差額のある商品を探す
product 50 53.2× 76
https://aucfan.com/static/user/pro/product/scene/earn.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 活用シーン | 稼ぐ出品者の取扱商品を見る
product 50 64.2× 66
https://aucfan.com/static/user/pro/product/scene/rare.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 活用シーン | レア商品の価格相場を調べる
product 50 54.8× 56
https://aucfan.com/static/user/pro/product/scene/image.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 活用シーン | 特定商品の仕入れ先を探す
product 50 52.1× 58
https://aucfan.com/static/user/pro/product/scene/cheap.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 活用シーン | 安値で仕入れる
product 50 60.6× 53
https://aucfan.com/static/user/pro/product/function/topseller.html
オークファンプロPlus | せどり・物販向けのリサーチ分析ツール | 機能 | トップセラー分析
product 50 48.0× 110
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
/help/ 326 0 0% 0.1× Low AI Readiness
/know-how/ 76 0 0% 0.0× Low AI Readiness
/navi/ 42 1 0% 0.8× Low AI Readiness
/static/ 25 50 0% 50.9× High JS Bloat
/company/ 8 6 0% 3.8× Low AI Readiness
/auctemp/ 4 13 0% 13.0× High JS Bloat
/sitemap.htm/ 1 36 0% 93.8× High JS Bloat
/site_counthelp.html/ 1 42 0% 23.7× High JS Bloat
/products/ 1 62 0% 39.4× High JS Bloat
/netbank.html/ 1 62 0% 38.5× High JS Bloat
/profile.htm/ 1 62 0% 38.5× High JS Bloat
/site_count.html/ 1 62 0% 38.5× High JS Bloat
/index.html/ 1 62 0% 38.5× High JS Bloat
/kwhist.html/ 1 42 0% 28.5× High JS Bloat
/bbshelp.htm/ 1 32 0% 42.0× 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/aucfan.com

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
aucfan.com (this site) 18 0 0.0× 0
maturehotlocals.com 43 59 Express 1.9× 0 Compare →
blasterapps.xyz 43 66 Custom / Proprietary 2.0× 0 Compare →
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📊 Semantic Share of Voice

How often would an AI cite aucfan.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…

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to aucfan.com. 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": "Aucfan",
  "url": "https://aucfan.com",
  "logo": "https://aucfan.com/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": "Aucfan",
  "url": "https://aucfan.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://aucfan.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for aucfan.com:

Current Score
0
Projected Score
10
Improvement
+10 pts
Add Organization schema +6 pts
Add WebSite schema +4 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?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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