mamastar.jp 65 C
🛡️ SEO 42 🤖 GEO 77 ⚡ Perf 62 🏗️ Arch 78

mamastar.jp — Global SEODiff Score 65/100

mamastar.jp
📊

mamastar.jp achieves a 84/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. In the infrastructure sector, mamastar.jp outperforms the average (57), suggesting strong competitive positioning in AI search. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. A tight 2.0× token bloat ratio reflects disciplined markup: minimal noise between the crawler and the content it needs. 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.

65
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (42) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 30 snapshots
Feb 24 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 20 Content change detected
🔄 Mar 20 Content change detected
🔄 Mar 19 Content change detected
🔄 Mar 19 Content change detected
Does your site score higher than mamastar.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)42 × 0.25 = 10.5
🤖 AI Readiness / GEO (40% weight)77 × 0.40 = 30.8
⚡ Performance (20% weight)62 × 0.20 = 12.4
🏗️ Architecture & Trust (15% weight)78 × 0.15 = 11.7
Weighted sum = 10.5 + 30.8 + 12.4 + 11.7
Global SEODiff Score = 65 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
100
Structure
avg 35
0
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 0.8%
Rank #8477
Aligned
Gap
AI (ACRI)
Top 2%
Score 84/100

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

Why mamastar.jp ranks here

Tech stackWordPress
RenderingSSR
Schema coverage0 blocks
Token bloat2.0×

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…
🛡️

Traditional SEO

42/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

63 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

342 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 25
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://mamastar.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 — ママスタ|ママのための情報プラットフォーム
  • ✓ og:description — ママスタは、ママの今に最適な情報を発信し、必要なコミュニケーションの場を提供する「ママのための情報プラットフォーム」です。子育て・生活関連ニュース、コミュニティなど、様々なサービスを通じてママにとって役立つ情報を提供しています。
  • ✓ 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

77/100 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 →
mamastar.jp
66
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 100/100 — Excellent
Structured Elements 95 elements (95 lists, 0 rows, 0 headers)
Total Words227
Raw Density41.8%

🏷️ 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

50%
🗑️ 50%
Useful Content (42.7 KB)Bloat (43.1 KB)
Token Bloat Ratio2.0× — Lean

Multimodal Readiness

Visual Context71% Optimized for Vision
Image Alt Coverage41 / 58 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

75 Entropy
Good Token Bloat: Low
Noise Ratio: 50.2% · SNR: 0.99 · Signal: 10939 / Noise: 11031 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 mamastar.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
A SaaS platform for mothers to connect, share experiences, and support each other during pregnancy and early parenthood.
Target Audience
New mothers, expectant mothers, and parents seeking community and support.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Community-driven platform fostering a supportive environment for mothers, leveraging user-generated content and engagement.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Template comparison pages (e.g., comparing different types of toys)Integration directory pages (implicit - linking to external resources)Discussion forum structure
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
• Difficulty in finding relevant support and advice
Analyzed by SEODiff AI · 2026-02-28

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servernginx
CDN
HTTP Status200
Load Time1443 ms
Raw HTML Size85.8 KB
Visible Text Size42.7 KB

Performance & Speed

62/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1443 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

620
DOM nodes
86 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → no-cache, private
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

2
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

78/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://mamastar.jp/static/sitemaps/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

106
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 66/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for mamastar.jp
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/mamastar.jp" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=mamastar.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 181 pages · Deep-10

Homepage ACRI
66
Single-page score
-22
Severe hidden bloat
Δ delta
Site-Wide ACRI
45
Avg across 181 pages · Range 0–70
🔍
Hidden Bloat Detected

Homepage scores 66, but internal pages average only 45 — a -22-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
40654
Avg Bloat
114.2×
Page Type ACRI Token Bloat Words Status
https://mamastar.jp/bbs/topic/9671
再)⑨ヵ月のマタママさん&#x{11:F9A4};|ママの交流掲示板 ママスタコミュニティ
other 70 103.4× 716
https://mamastar.jp/bbs/topic/9729
н⑮年5、6、7月産まれのチビ&#x{11:F9D6};ママ&#x{11:F9CE};|ママの交流掲示板 ママスタコミュニティ
other 67 80.0× 853
https://mamastar.jp/bbs/topic/9323
泉区SSレディースクリニック|ママの交流掲示板 ママスタコミュニティ
other 67 103.7× 633
https://mamastar.jp/bbs/topic/8904
新津産科婦人科クリニック行ってる方いますか&#x{11:F9A8};|ママの交流掲示板 ママスタコミュニティ
other 67 108.1× 619
https://mamastar.jp/bbs/topic/9694
姑を泣かせてしまいまた&#x{11:F9C7};|ママの交流掲示板 ママスタコミュニティ
other 67 106.1× 592
https://mamastar.jp/bbs/topic/9708
続 みんなで1000レス|ママの交流掲示板 ママスタコミュニティ
other 64 101.7× 586
https://mamastar.jp/bbs/topic/8196
岩沼スズキ病院|ママの交流掲示板 ママスタコミュニティ
other 57 109.9× 434
https://mamastar.jp/bbs/topic/8742
高浜産婦人科|ママの交流掲示板 ママスタコミュニティ
other 57 119.4× 316
https://mamastar.jp/bbs/topic/8038
宮上クリニック|ママの交流掲示板 ママスタコミュニティ
other 57 126.1× 352
https://mamastar.jp/bbs/topic/8077
長野県松本市相沢病院|ママの交流掲示板 ママスタコミュニティ
other 57 123.3× 371
https://mamastar.jp/bbs/topic/8075
埼玉県で|ママの交流掲示板 ママスタコミュニティ
other 57 120.9× 388
https://mamastar.jp/bbs/topic/9401
梅田病院|ママの交流掲示板 ママスタコミュニティ
other 57 133.2× 240
https://mamastar.jp/bbs/topic/8365
福島県福島市産婦人科|ママの交流掲示板 ママスタコミュニティ
other 57 132.9× 222
https://mamastar.jp/bbs/topic/8382
枚方でいい産婦人科|ママの交流掲示板 ママスタコミュニティ
other 57 126.8× 286
https://mamastar.jp/bbs/topic/8245
横浜の小児科教えて下さい|ママの交流掲示板 ママスタコミュニティ
other 57 138.5× 203
https://mamastar.jp/bbs/topic/8401
埼玉県三郷の永井クリニックで&#x{11:F9A9};|ママの交流掲示板 ママスタコミュニティ
other 57 139.8× 213
https://mamastar.jp/bbs/topic/8432
静岡県富士市の産婦人科|ママの交流掲示板 ママスタコミュニティ
other 57 122.5× 329
https://mamastar.jp/bbs/topic/8419
豊平区の社会保険中央病院の産科|ママの交流掲示板 ママスタコミュニティ
other 57 124.9× 315
https://mamastar.jp/bbs/topic/8604
宮崎の都城|ママの交流掲示板 ママスタコミュニティ
other 57 126.1× 290
https://mamastar.jp/bbs/topic/8629
東区の岩田産婦人科|ママの交流掲示板 ママスタコミュニティ
other 57 130.9× 207
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
/bbs/ 165 49 0% 125.3× High JS Bloat
/help/ 1 0 0% 0.0× Low AI Readiness
/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
/faq/ 1 0 0% 0.0× Low AI Readiness
/privacy/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/api/ 1 0 0% 0.0× Low AI Readiness
/solutions/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/terms/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 181 pages
instagram.com ×165
select.mamastar.jp ×165
x.com ×165
jukushiru.com ×165
line.me ×165
facebook.com ×165
members.mamastar.jp ×165
🔄 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/mamastar.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 mamastar.jp. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
mamastar.jp (this site) 66 84 WordPress 2.0× 0
driphydration.com 86 95 WordPress 1.9× 2 Compare →
profitserver.net 86 90 WordPress 3.8× 2 Compare →
safely.co.jp 90 90 WordPress 1.9× 3 Compare →
hi-ad.jp 86 90 WordPress 3.1× 5 Compare →
hupishop.com.br 87 92 WordPress 2.4× 23 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for mamastar.jp:

Current Score
84
Projected Score
97
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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