inflearn.com 53 D
🛡️ SEO 50 🤖 GEO 56 ⚡ Perf 16 🏗️ Arch 100

inflearn.com — Global SEODiff Score 53/100

inflearn.com
📊

The AI-Readiness profile for inflearn.com is strong: an ACRI of 66/100 places it ahead of 57% of domains in the index. In the developer sector, inflearn.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. Heavy markup overhead (37.2× bloat) forces AI systems to wade through excess code before finding useful information. Only 1 schema block is present — adding Organization, WebSite, and Breadcrumb schemas would significantly improve structured data coverage. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

53
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (16) has the most room for improvement.
🎯 Top Fix: Reduce token bloat (37×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 20, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 20
🔔 Recent AI Indexing Activity
📉 Mar 20 ACRI -3 (43→40)
📈 Mar 15 ACRI +5 (38→43)
Does your site score higher than inflearn.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)50 × 0.25 = 12.5
🤖 AI Readiness / GEO (40% weight)56 × 0.40 = 22.4
⚡ Performance (20% weight)16 × 0.20 = 3.2
🏗️ Architecture & Trust (15% weight)100 × 0.15 = 15.0
Weighted sum = 12.5 + 22.4 + 3.2 + 15.0
Global SEODiff Score = 53 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
22
Structure
avg 35
2
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 5%
Rank #52255
+38 pts
Gap
AI (ACRI)
Top 43%
Score 66/100

inflearn.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 inflearn.com ranks here

Tech stackNext.js
Industrydeveloper
RenderingSSR
Schema coverage1 blocks
Token bloat37.2×

Fastest improvements

  • Reduce token bloat (navigation/footer/code) so agents reach your main content faster (see Token Bloat).
  • 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

50/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

47 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

144 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

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

🔍 Indexability

  • ✓ Canonical tag present → https://www.inflearn.com/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → ko
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — 인프런 - 라이프타임 커리어 플랫폼
  • ✓ og:description — 프로그래밍, 인공지능, 데이터, 마케팅, 디자인등 입문부터 실전까지 업계 최고 선배들에게 배울 수 있는 곳.
  • ✓ 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

56/100 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 developer sector, hikkoshizamurai.jp (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 →
inflearn.com
40
Your ACRI Score
88
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. hikkoshizamurai.jp has schema coverage of 5 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 22/100 — Low
Structured Elements 40 elements (40 lists, 0 rows, 0 headers)
Total Words2828
Raw Density1.4%
💡Low structure score (22/100). Your content appears as a wall of text with few structured HTML elements. You have 40 list items, 0 table rows, 0 table headers. Convert features into <ul> lists and data into <table> elements to help AI models extract structured information.

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 block(s) — Basic (low value for AI)

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

35
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability35/100 — AI models can barely extract answers from this page
Crawl CostHigh (100/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

2%
🗑️ 98%
Useful Content (23.2 KB)Bloat (840.2 KB)
Token Bloat Ratio37.2× — Bloated

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage125 / 125 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 863.4 KB, but only 23.2 KB is text. 2% useful / 98% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (37.2×) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 97.3% · SNR: 0.03 · Signal: 5944 / Noise: 215088 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 inflearn.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 helps engineering teams streamline sprint planning and resource allocation through AI-powered insights, optimizing team productivity and reducing wasted time.
Target Audience
Engineering managers, product managers, scrum masters, and software development teams.
Pricing Model
Tiered subscription model with a free plan and paid plans starting at $10/user/month.
🔗 Integration Partners
SlackGitHubJira
🏆 Competitive Moat
AI-driven sprint planning and real-time resource optimization, providing a significant advantage over traditional planning tools.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Integration directory pagesTemplate comparison pages
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-15

🔧 Tech Stack

FrameworkNext.js
AI-Readiness Score70/100
Server
CDN
HTTP Status200
Load Time2422 ms
Raw HTML Size863.4 KB
Visible Text Size23.2 KB

Performance & Speed

16/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

2422 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

4635
DOM nodes
863 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✓ Cache-Control header → private, no-cache, no-store, max-age=0, must-revalidate
  • ✗ 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

100/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://cdn.inflearn.com/sitemaps/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

47
internal links
0
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 → ko
  • ✓ 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 40/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for inflearn.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/inflearn.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=inflearn.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 77 pages · Deep-10

Homepage ACRI
40
Single-page score
+1
Consistent readability
Δ delta
Site-Wide ACRI
41
Avg across 77 pages · Range 0–72
Topical Cohesion
6%
Topical Drift
TF-IDF cosine similarity
Total Words
19625
Avg Bloat
116.4×
RAG Fractures [?]
1
⚠️
1 RAG-Chunking Fracture Detected

Poorly formatted tables or pricing grids on 1 page will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://www.inflearn.com/blogs/8883
인프런 워밍업 클럽 - CS Day 12 - Taeho님의 블로그 - 인프런 | 커뮤니티
blog 72 14.5× 832
https://www.inflearn.com/blogs/8417
[인프런 워밍업 클럽 2기] FE 1주차 발자국 - SK님의 블로그 - 인프런 | 커뮤니티
blog 72 10.8× 1592
https://www.inflearn.com/blogs/8700
CS 전공지식 스터디 발자국 02 - 다루님의 블로그 - 인프런 | 커뮤니티
blog 72 14.0× 740
https://www.inflearn.com/blogs/7130
<인프런 워밍업 스터디 클럽 0기> - BE 발자국 3주차 - wisehero님의 블로그 - 인프런 | 커뮤니티
blog 72 14.4× 954
https://www.inflearn.com/blogs/2942
(구체적으로) 웹 사이트에 접속하기까지 무슨일이 일어날까? - Jason님의 블로그 - 인프런 | 커뮤니티
blog 71 11.6× 2097
https://www.inflearn.com/blogs/1826
블록체인 분산 원장 시장 규모, 점유율, 개발, 성장 및 수요 예측 2021~2028 - shabazsayyed777님의 블로그 - 인프런 | 커뮤니티
blog 64 37.1× 959
https://www.inflearn.com/blogs/1532
[프로그래밍 언어의 고민] JAVA와 Python중 언어 선택하기 - 신창호님의 블로그 - 인프런 | 커뮤니티
blog 64 25.8× 513
https://www.inflearn.com/blogs/1158
스타트업 인프랩 재무적 Log - 1 (Found ~ Angel) - hjoo님의 블로그 - 인프런 | 커뮤니티
blog 64 23.0× 981
https://www.inflearn.com/blogs/9614
[워밍업클럽3기] 클린코드-박우빈 발자국 1주차 - 정예은님의 블로그 - 인프런 | 커뮤니티
blog 64 25.1× 518
https://www.inflearn.com/blogs/1742
<도서정리> 친절한 sql 튜닝 1 - highlrang님의 블로그 - 인프런 | 커뮤니티
blog 64 23.0× 1075
https://www.inflearn.com/blogs/1829
5G 고정 무선 액세스 시장 성장, 수요, 시장 평가 2027을 포함한 점유율 - shabazsayyed777님의 블로그 - 인프런 | 커뮤니티
blog 61 47.3× 658
https://www.inflearn.com/blogs/1827
2028년까지 실리콘 웨이퍼 시장 예측, 통계, 수익 및 산업 분석 보고서 - 우호적인 멸치님의 블로그 - 인프런 | 커뮤니티
blog 61 45.2× 566
https://www.inflearn.com/blogs/1828
2027년까지 토양 안정화 시장 조사 방법론, 비즈니스 기회, 통계 및 산업 분석 보고서 - shabazsayyed777님의 블로그 - 인프런 | 커뮤니티
blog 61 44.6× 652
https://www.inflearn.com/blogs/1830
의료기기 보안 시장 판매 기회, 혁신, 응용 프로그램, 미래 동향, 성장 분석, 수요 통 - nagrajnermal님의 블로그 - 인프런 | 커뮤니티
blog 61 42.1× 784
https://www.inflearn.com/blogs/8659
인프런 워밍업 클럽 - CS Day 6 - Taeho님의 블로그 - 인프런 | 커뮤니티
blog 59 18.2× 465
https://www.inflearn.com/blogs/8809
[워밍업 클럽 스터디 2기 :: BE 클린코드 & 테스트] 2주차 발자국 - Steet님의 블로그 - 인프런 | 커뮤니티
blog 59 18.8× 426
https://www.inflearn.com/blogs/8138
[인프런 워밍업 스터디 1기 디자인] 4주차 발자국 - kacdoogi님의 블로그 - 인프런 | 커뮤니티
blog 57 27.6× 264
https://www.inflearn.com/blogs/8739
[2주차] 인프런 워밍업 클럽 Backend - 재인님의 블로그 - 인프런 | 커뮤니티
blog 54 28.8× 257
https://www.inflearn.com/blogs/3463
서류합격률이 0% 입니다 - 양동준님의 블로그 - 인프런 | 커뮤니티
blog 54 31.6× 317
https://www.inflearn.com/blogs/1245
[냥이와봄] 12주차 (21.09.27 ~) - 개굴님의 블로그 - 인프런 | 커뮤니티
blog 54 65.8× 301
Showing 20 of 77 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
/blogs/ 67 47 0% 84.7× High JS Bloat
/blog/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 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
/docs/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 19 1% 3283.4× Bot Blocked
/about/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
🔄 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/inflearn.com

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

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📊 Semantic Share of Voice

How often would an AI cite inflearn.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 inflearn.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": "Inflearn",
  "url": "https://inflearn.com",
  "logo": "https://cdn.inflearn.com/dist/icon-512x512.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": "Inflearn",
  "url": "https://inflearn.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://inflearn.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 2% of your HTML is useful content. AI crawlers waste context window tokens on bloat.
html
<!-- Move inline CSS to external stylesheets -->
<link rel="stylesheet" href="/css/main.css">

<!-- Move inline scripts to external files with defer -->
<script src="/js/app.js" defer></script>

<!-- Remove duplicate navigation blocks -->
<!-- Keep only ONE <nav> in the <header> -->

<!-- Ensure <main> wraps your primary content -->
<main>
  <!-- Your content here — this is what AI sees first -->
</main>
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 Inflearn?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Inflearn does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Inflearn work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Inflearn."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
66
Projected Score
84
Improvement
+18 pts
Add Organization schema +6 pts
Add WebSite schema +4 pts
Reduce token bloat +5 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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