jmsc.co.jp 73 B
🛡️ SEO 63 🤖 GEO 88 ⚡ Perf 53 🏗️ Arch 75

jmsc.co.jp — Global SEODiff Score 73/100

jmsc.co.jp
📊

jmsc.co.jp has earned a 86/100 ACRI — a tier-1 result that puts it ahead of 99% of sites in the SEODiff Radar. Compared to other infrastructure sites (avg score: 57), jmsc.co.jp performs above the benchmark, suggesting strong competitive positioning in AI search. Server-side rendering keeps the ghost ratio near zero, giving AI systems direct access to all visible content. A tight 2.5× token bloat ratio reflects disciplined markup: minimal noise between the crawler and the content it needs. The site includes 2 schema blocks, providing adequate structured data for basic entity recognition. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

73
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Performance (53) is your bottleneck.
🎯 Top Fix: Fix title tag length → +3 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 15, 2026 · 📋 API
📈 ACRI Trend 2 snapshots
Mar 7 Mar 15
🔔 Recent AI Indexing Activity
🔄 Mar 10 Content change detected
Does your site score higher than jmsc.co.jp?
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)63 × 0.25 = 15.8
🤖 AI Readiness / GEO (40% weight)88 × 0.40 = 35.2
⚡ Performance (20% weight)53 × 0.20 = 10.6
🏗️ Architecture & Trust (15% weight)75 × 0.15 = 11.2
Weighted sum = 15.8 + 35.2 + 10.6 + 11.2
Global SEODiff Score = 73 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
100
Structure
avg 35
44
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 41%
Rank #411305
-40 pts
Gap
AI (ACRI)
Top 1%
Score 86/100

jmsc.co.jp ranks much higher on Google (Tranco Top 41%) than in AI search (Top 1%). This is the 'Visibility Gap' pattern — implementing the recommendations above can help close the AI gap. ACRI measures technical crawler readiness. Read the methodology →

Why jmsc.co.jp ranks here

Tech stackCustom / Proprietary
RenderingSSR
Schema coverage2 blocks
Token bloat2.5×

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…
🛡️

Traditional SEO

63/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

75 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

523 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 8
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.jmsc.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 — 【公式】MS-Japan 管理部門・士業特化の転職エージェント
  • ✓ og:description — 管理部門・士業に専門特化した転職エージェントMS-Japan。経理・財務、人事・総務、法務などのバックオフィス系職種や、会計事務所・監査法人、税理士、公認会計士、弁護士の転職支援実績が多数。大手からIPO準備企業の優良な転職・求人情報を掲載中の転職サイトで、転職ノウハウやMS-Japan限定の非公開求人への転職サポートも。東京・横浜・名古屋・大阪で無料転職相談会を実施中。
  • ✓ 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

88/100 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 →
jmsc.co.jp
77
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 144 elements (144 lists, 0 rows, 0 headers)
Total Words482
Raw Density29.9%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks2 block(s) — Basic (low value for AI)

Schema Coverage Map

3/7 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.
💡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

40%
🗑️ 60%
Useful Content (34.5 KB)Bloat (52.8 KB)
Token Bloat Ratio2.5× — Lean

Multimodal Readiness

Visual Context51% Optimized for Vision
Image Alt Coverage47 / 93 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

62 Entropy
Fair Token Bloat: Medium
Noise Ratio: 60.5% · SNR: 0.65 · Signal: 8830 / Noise: 13505 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 jmsc.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
管理部門・士業特化的の転職エージェントサービス
Target Audience
経理・財務、人事・総務、法務などのバックオフィス系職種
Pricing Model
無料転職相談会実施中
Analyzed by SEODiff AI · 2026-02-26

🔧 Tech Stack

AI-Readiness Score50/100
ServerApache/2.4.62 (Amazon Linux) OpenSSL/3.0.8
CDN
HTTP Status200
Load Time1328 ms
Raw HTML Size87.2 KB
Visible Text Size34.5 KB

Performance & Speed

53/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1328 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1004
DOM nodes
87 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

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

🔬 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

75/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

209
internal links
9
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 77/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for jmsc.co.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/jmsc.co.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=jmsc.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 563 pages · Deep-10

Homepage ACRI
77
Single-page score
-26
Severe hidden bloat
Δ delta
Site-Wide ACRI
51
Avg across 563 pages · Range 0–70
🔍
Hidden Bloat Detected

Homepage scores 77, but internal pages average only 51 — a -26-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
57%
Moderate Drift
TF-IDF cosine similarity
Total Words
71165
Avg Bloat
449.8×
Page Type ACRI Token Bloat Words Status
https://www.jmsc.co.jp/job-special/zeirishi/company/
事業会社(一般企業)の税理士求人特集 | 管理部門(バックオフィス)と士業の求人・転職ならMS-Japan
about 70 49.5× 547
https://www.jmsc.co.jp/keiri_zaimu/
経理・財務の転職なら管理部門特化型転職エージェントMS Agent by MS-JAPAN | 経理・財務の転職・求人情報
other 70 30.5× 977
https://www.jmsc.co.jp/service/faq/corporate.html
求人企業様からのよくあるご質問 | 管理部門(バックオフィス)と士業の求人・転職ならMS-Japan
product 60 59.0× 414
https://www.jmsc.co.jp/service/advantage/
MS-Japanが選ばれる3つの理由 | 管理部門(バックオフィス)と士業の求人・転職ならMS-Japan
product 60 60.5× 397
https://www.jmsc.co.jp/service/voice/
MS-Japan(MS Agent)で転職決定された方の声(評判・口コミ)
product 60 57.5× 439
https://www.jmsc.co.jp/service/faq/
サービスFAQ | 管理部門(バックオフィス)と士業の求人・転職ならMS-Japan
product 60 58.2× 405
https://www.jmsc.co.jp/service/adviser/
キャリアアドバイザー | 管理部門(バックオフィス)と士業の求人・転職ならMS-Japan
product 60 55.4× 477
https://www.jmsc.co.jp/service/
サービス紹介 | 管理部門(バックオフィス)と士業の求人・転職ならMS-Japan
product 60 56.2× 426
https://www.jmsc.co.jp/kaikeishi/faq/way/7382.html
30代女性。子供を保育所に預けて働きたいと考えています。 時短勤務など福利厚生が整っている事務所、事業会社はあるのでしょうか?
support 60 54.5× 338
https://www.jmsc.co.jp/kaikeishi/faq/income/7389.html
年収が高い公認会計士とは、どのような仕事をしているのでしょうか。
support 60 54.9× 332
https://www.jmsc.co.jp/kaikeishi/faq/income/8347.html
28歳・会計士です。企業から年収450万円の内定を頂きましたが、適正な給与水準なのでしょうか。
support 60 55.4× 333
https://www.jmsc.co.jp/kaikeishi/faq/way/7335.html
コンサルティングファームやアドバイザリーは、残業が多そうなイメージがあります。中には少ない法人もあるのでしょうか?
support 60 55.4× 333
https://www.jmsc.co.jp/kaikeishi/faq/way/7363.html
「ワークライフバランス」や「ワークライフハーモニー」という言葉を良く聞きますが、残業が少なくキャリアアップも出来る、そんな求人あるのでしょうか?
support 60 55.6× 332
https://www.jmsc.co.jp/kaikeishi/faq/way/9002.html
ワークライフバランスが取れる転職先は、どのようなものがありますか?
support 60 55.1× 332
https://www.jmsc.co.jp/kaikeishi/faq/age/7362.html
40代公認会計士、監査法人のマネージャーです。事業会社への転職を考えていますが、年収はあまり落としたくありません。転職できますか?
support 60 55.3× 331
https://www.jmsc.co.jp/kaikeishi/faq/acceptance/7338.html
監査法人の勢力図やパワーバランスは、10年前と変わってきていますか?
support 60 55.0× 334
https://www.jmsc.co.jp/kaikeishi/faq/
公認会計士の転職FAQ
support 60 51.0× 324
https://www.jmsc.co.jp/kaikeishi/faq/acceptance/
業界研究に関する転職FAQ
support 60 52.8× 330
https://www.jmsc.co.jp/kaikeishi/faq/acceptance/7347.html
監査法人からの転職には、どのようなキャリアパスがありますか?
support 60 55.1× 333
https://www.jmsc.co.jp/kaikeishi/faq/acceptance/7342.html
公認会計士が企業経理として働く場合、一番需要がある業界を教えてください。
support 60 55.2× 330
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
/bengoshi/ 191 52 0% 125.0× High JS Bloat
/kaikei/ 128 52 0% 163.1× High JS Bloat
/kaikeishi/ 106 60 0% 56.2× High JS Bloat
/corporate/ 63 45 0% 1803.5× High JS Bloat
/service/ 6 60 0% 57.8× High JS Bloat
/naibukansa/ 1 50 0% 95.7× High JS Bloat
/job-special/ 1 70 0% 49.5× High JS Bloat
/keiri_zaimu/ 1 70 0% 30.6× High JS Bloat
/jinji_soumu/ 1 50 0% 86.2× High JS Bloat
/keieikikaku/ 1 50 0% 93.3× High JS Bloat
/knowhow/ 1 60 0% 62.7× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 563 pages
legalnet-ms.jp ×553
kaikeinet.com ×553
company.jmsc.co.jp ×553
expert-senior.com ×553
manegy.com ×553
ipopro.jp ×553
recruit.jmsc.co.jp ×107
twitter.com ×103
🔄 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/jmsc.co.jp

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
jmsc.co.jp (this site) 77 86 Custom / Proprietary 2.5× 2
kondela.hu 86 93 Custom / Proprietary 3.1× 4 Compare →
insuranceyet.com 86 87 Custom / Proprietary 4.9× 4 Compare →
melbourneschool.com 86 87 Custom / Proprietary 5.0× 4 Compare →
kruizinga.nl 87 93 Custom / Proprietary 3.0× 5 Compare →
hachimenroppi.com 89 88 Custom / Proprietary 2.1× 6 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite jmsc.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 jmsc.co.jp. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

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 jmsc.co.jp:

Current Score
86
Projected Score
89
Improvement
+3 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
🔍 Found indexing issues?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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