yamakei-online.com 55 D
🛡️ SEO 13 🤖 GEO 84 ⚡ Perf 40 🏗️ Arch 70

yamakei-online.com — Global SEODiff Score 55/100

yamakei-online.com
📊

At 82/100, the ACRI for yamakei-online.com indicates strong fundamentals in AI extractability, surpassing the majority of indexed sites. In the infrastructure sector, yamakei-online.com outperforms the average (57), 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 2.9× 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.

55
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Traditional SEO (13) 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 4 snapshots
Mar 1 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 20 Content change detected
📈 Mar 19 ACRI +1 (64→65)
📉 Mar 16 ACRI -1 (65→64)
🔄 Mar 11 Content change detected
Does your site score higher than yamakei-online.com?
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)13 × 0.25 = 3.2
🤖 AI Readiness / GEO (40% weight)84 × 0.40 = 33.6
⚡ Performance (20% weight)40 × 0.20 = 8.0
🏗️ Architecture & Trust (15% weight)70 × 0.15 = 10.5
Weighted sum = 3.2 + 33.6 + 8.0 + 10.5
Global SEODiff Score = 55 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
100
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 7%
Rank #69746
Aligned
Gap
AI (ACRI)
Top 4%
Score 82/100

yamakei-online.com has balanced Google and AI visibility — both rank roughly in the same tier. ACRI measures technical crawler readiness. Read the methodology →

Why yamakei-online.com ranks here

Tech stackNext.js
RenderingSSR
Schema coverage0 blocks
Token bloat2.9×

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

13/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

72 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

282 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 0
  • ✓ Has <h2> headings — found 7
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.yamakei-online.com/
  • ✓ 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 — 山好きのための登山情報サイト - 山と溪谷オンライン
  • ✓ og:description — 山と溪谷オンラインは、山と溪谷社が運営する登山情報サイト。登山地図、登山道、登山用品情報など、便利なツールを提供しています。初心者の方からベテランの方まで、登山者のニーズに幅広く応えます。
  • ✓ og:image — preview
  • ✗ 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

84/100 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 →
yamakei-online.com
65
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 100/100 — Excellent
Structured Elements 108 elements (108 lists, 0 rows, 0 headers)
Total Words358
Raw Density30.2%

🏷️ 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

34%
🗑️ 66%
Useful Content (49.5 KB)Bloat (94.9 KB)
Token Bloat Ratio2.9× — Lean

Multimodal Readiness

Visual Context23% Optimized for Vision
Image Alt Coverage26 / 114 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Only 23% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

52 Entropy
Fair Token Bloat: Medium
Noise Ratio: 65.7% · SNR: 0.52 · Signal: 12682 / Noise: 24286 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 yamakei-online.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 is an online retailer specializing in outdoor gear and equipment for mountaineering, hiking, and camping, curated by experienced
Target Audience
Outdoor enthusiasts, mountaineers, hikers, campers, and individuals seeking high-quality outdoor gear and equipment. Specifically, those interested in Takahashi Shota's recommendations and reviews.
Pricing Model
E-commerce; prices vary based on individual products.
🏆 Competitive Moat
Curated selection of outdoor gear based on the expertise and experience of a renowned mountaineer, providing trusted recommendations and detailed product information, fostering a strong community around Takahashi Shota's brand.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Extensive product listings with detailed descriptions and images.Links to individual product pages from various articles and reviews.Use of product-specific URLs.
⚡ Key Pain Points
• Limited SEO signals beyond product listings.
• Lack of a direct user review system beyond the provided ‘use of experience’ descriptions.
Analyzed by SEODiff AI · 2026-03-03

🔧 Tech Stack

FrameworkNext.js
AI-Readiness Score70/100
Server
CDN
HTTP Status200
Load Time2216 ms
Raw HTML Size144.4 KB
Visible Text Size49.5 KB

Performance & Speed

40/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

2216 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1187
DOM nodes
144 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → no-store, no-cache, must-revalidate, post-check=0, pre-check=0
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

2
tracker scripts
2
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
doubleclick.nettaboola.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

70/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.yamakei-online.com/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

147
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 → 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 65/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for yamakei-online.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/yamakei-online.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=yamakei-online.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 42 pages · Deep-10

Homepage ACRI
65
Single-page score
-30
Severe hidden bloat
Δ delta
Site-Wide ACRI
35
Avg across 42 pages · Range 0–62
🔍
Hidden Bloat Detected

Homepage scores 65, but internal pages average only 35 — a -30-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
12%
Topical Drift
TF-IDF cosine similarity
Total Words
8404
Avg Bloat
90.8×
Page Type ACRI Token Bloat Words Status
https://www.yamakei-online.com/cl_tool/
みんなの山道具TOP - 自分の持っている登山用品(道具、装備)のレビューを記録&投稿しよう! - 山と溪谷オンライン
pricing 62 28.6× 1492 💰 Pricing
https://www.yamakei-online.com/cl_tool/list.php?id=65152
Shotaro Takahashiさんの山道具一覧 - 山と自然がわかる! 登山のポータルサイト - 山と溪谷オンライン
pricing 62 60.7× 700 💰 Pricing
https://www.yamakei-online.com/cl_record/detail.php?id=310696
八甲田山 - 大岳 - 2025.01.12(日) - 山と溪谷オンライン
pricing 59 67.2× 555 💰 Pricing
https://www.yamakei-online.com/job/
山とアウトドアの仕事、求人情報 - 山小屋、アウトドアショップ、登山&アウトドア業界で働く - 山と溪谷オンライン
pricing 52 58.1× 354 💰 Pricing
https://www.yamakei-online.com/yk/issue/kitaalps-renkei/outdoor.php
アウトドアを楽しむ暮らしを実現しよう。北アルプスの山麓での暮らし・移住 - 山と溪谷オンライン
pricing 52 71.0× 236 💰 Pricing
https://www.yamakei-online.com/tour/
登山ツアー検索・国内&海外 - 登山ツアーを徹底比較。トレッキングツアー、ハイキングツアーをすべて網羅 - 山と溪谷オンライン
pricing 52 78.4× 403 💰 Pricing
https://www.yamakei-online.com/yk/issue/kitaalps-renkei/
移住・定住でかなえるマウンテンライフ「北アルプス・後立山連峰の山麓に暮らす」- 山と溪谷オンライン
pricing 52 59.0× 320 💰 Pricing
https://www.yamakei-online.com/yk/issue/kitaalps-renkei/life.php
暮らしやすさや住宅事情に注目。北アルプスの山麓での暮らし・移住 - 山と溪谷オンライン
pricing 52 72.6× 249 💰 Pricing
https://www.yamakei-online.com/yk/issue/kitaalps-renkei/child.php
「子育て環境」と「支援」が充実。北アルプスの山麓での暮らし・子育て編 - 山と溪谷オンライン
pricing 52 73.4× 308 💰 Pricing
https://www.yamakei-online.com/yk/issue/kitaalps-renkei/job.php
地方移住を検討する際に悩ましい「仕事の問題」を考える。北アルプス山麓での暮らし 仕事・起業編 - 山と溪谷オンライン
pricing 52 78.0× 256 💰 Pricing
https://www.yamakei-online.com/yk/issue/kitaalps-renkei/agri.php
北アルプス山麓での暮らし 農ある暮らし編 - 山と溪谷オンライン
pricing 52 86.5× 232 💰 Pricing
https://www.yamakei-online.com/yama-ya/detail.php?id=4457
宿に泊まってスノーシューハイキング | スノーシューで雪山を楽しもう! - 山と溪谷オンライン
pricing 52 57.1× 206 💰 Pricing
https://www.yamakei-online.com/job/index.php?area=0&category=0&word=&page=2
山とアウトドアの仕事、求人情報 - 山小屋、アウトドアショップ、登山&アウトドア業界で働く - 山と溪谷オンライン
pricing 52 55.2× 372 💰 Pricing
https://www.yamakei-online.com/mt_info/info_detail.php?info_id=1038
白馬山荘から白馬岳・大雪渓の情報 - 2026春山ゴールデンウィーク中... - 2026年01月19日 - 山と溪谷オンライン
pricing 49 91.6× 281 💰 Pricing
https://www.yamakei-online.com/tour/index.php?pos=2
登山ツアー検索・国内&海外 - 登山ツアーを徹底比較。トレッキングツアー、ハイキングツアーをすべて網羅 - 山と溪谷オンライン
pricing 49 91.6× 344 💰 Pricing
https://www.yamakei-online.com/cl_record/
みんなの登山記録TOP - 登山、山登り、トレッキングの記録を残して共有しよう! - 山と溪谷オンライン
pricing 46 103.5× 219 💰 Pricing
https://www.yamakei-online.com/yk/issue/azumino_higashiyama/plan/
安曇野ひがし山トレッキング案内 | 山と溪谷オンライン
pricing 42 63.3× 100
https://www.yamakei-online.com/yk/issue/omachi_nagano/
北アルプス山麓の町、長野県・信濃大町に暮らす| 山と溪谷オンライン
other 42 58.4× 140
https://www.yamakei-online.com/yk/issue/kitaalps-renkei/talksession2022.php
北アルプス地域で活躍中!「地域おこし協力隊」メンバー座談会 - 山と溪谷オンライン
pricing 42 78.3× 171 💰 Pricing
https://www.yamakei-online.com/job/job_detail.php?id=1950
西川建設株式会社 - 2026 山荘しらさ(短期・長期)スタッフ募集 - 山と溪谷オンライン
pricing 39 127.4× 60 💰 Pricing
Showing 20 of 42 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
/yk/ 10 47 0% 90.4× High JS Bloat
/yama-ya/ 5 42 0% 105.8× High JS Bloat
/tour/ 5 36 0% 237.6× High JS Bloat
/cl_tool/ 3 53 0% 73.5× High JS Bloat
/mt_info/ 3 42 0% 101.7× High JS Bloat
/job/ 3 48 0% 80.2× High JS Bloat
/journal/ 2 39 0% 128.3× High JS Bloat
/cl_record/ 2 52 0% 85.4× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 42 pages
climbing-net.com ×33
instagram.com ×33
sangakuisan.yamakei.co.jp ×33
yamakei.co.jp ×33
yamasta.yamakei.co.jp ×33
i-zukan.jp ×33
hikesinjapan.yamakei-online.com ×33
twitter.com ×33
🔄 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/yamakei-online.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 yamakei-online.com. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
yamakei-online.com (this site) 65 82 Next.js 2.9× 0
profitserver.net 86 90 WordPress 3.8× 2 Compare →
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📊 Semantic Share of Voice

How often would an AI cite yamakei-online.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 yamakei-online.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": "Yamakei-online",
  "url": "https://yamakei-online.com",
  "logo": "https://www.yamakei-online.com/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": "Yamakei-online",
  "url": "https://yamakei-online.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://yamakei-online.com/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 Yamakei-online?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Yamakei-online does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Yamakei-online work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Yamakei-online."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
82
Projected Score
95
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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