arzamas.academy 53 D
🛡️ SEO 49 🤖 GEO 69 ⚡ Perf 11 🏗️ Arch 72

arzamas.academy — Global SEODiff Score 53/100

arzamas.academy
📊

With a solid 70/100 ACRI, arzamas.academy is well-positioned for AI search — better than 67% of sites in the Radar. Compared to other infrastructure sites (avg score: 57), arzamas.academy performs above the benchmark, 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. The 7.6× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. Structured data coverage is solid at 2 blocks, covering core entities — expanding to include FAQ or Breadcrumb schemas could strengthen the profile further. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

53
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (11) has the most room for improvement.
🎯 Top Fix: Add HSTS header → +2 pts
🔬 Automated SEODiff Assessment · Snapshot: Feb 28, 2026 · 📋 API
📈 ACRI Trend 4 snapshots
Feb 23 Feb 28
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than arzamas.academy?
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)49 × 0.25 = 12.2
🤖 AI Readiness / GEO (40% weight)69 × 0.40 = 27.6
⚡ Performance (20% weight)11 × 0.20 = 2.2
🏗️ Architecture & Trust (15% weight)72 × 0.15 = 10.8
Weighted sum = 12.2 + 27.6 + 2.2 + 10.8
Global SEODiff Score = 53 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
5
Structure
avg 36
44
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 7%
Rank #69177
+27 pts
Gap
AI (ACRI)
Top 33%
Score 70/100

arzamas.academy 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 arzamas.academy ranks here

Tech stackRuby on Rails
RenderingSSR
Schema coverage2 blocks
Token bloat7.6×

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

49/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

7 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

89 chars
Too short

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 → ru-ru
  • ✗ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Arzamas
  • ✓ og:description — История культуры в лекциях, подкастах и текстах
  • ✓ 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

69/100 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, plodopitomnik-sad.ru (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 →
arzamas.academy
43
Your ACRI Score
90
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. plodopitomnik-sad.ru has schema coverage of 12 blocks and uses Express. 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 5/100 — Poor
Structured Elements 5 elements (5 lists, 0 rows, 0 headers)
Total Words6388
Raw Density0.1%
💡Low structure score (5/100). Your content appears as a wall of text with few structured HTML elements. You have 5 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 ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks2 block(s) — Basic (low value for AI)

Schema Coverage Map

2/7 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.
💡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.

📐 AI Efficiency Metrics Docs

51
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability51/100 — AI models can partially extract answers from this page
Crawl CostHigh (70/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

13%
🗑️ 87%
Useful Content (74.4 KB)Bloat (489.2 KB)
Token Bloat Ratio7.6× — Normal

Multimodal Readiness

Visual Context37% Optimized for Vision
Image Alt Coverage26 / 71 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Only 37% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 86.8% · SNR: 0.15 · Signal: 19059 / Noise: 125239 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

A local LLM (mlx-community/gemma-3-4b-it-qat-4bit) analyzed the extracted content of arzamas.academy 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
Arzamas offers a curated collection of educational content – courses, articles, and audio programs – exploring history, culture, and the
Target Audience
Students, lifelong learners, history enthusiasts, and anyone seeking to expand their knowledge of cultural subjects.
Pricing Model
Subscription-based: Monthly ($2999), Annual ($399), and a separate subscription for the children's app ‘Гусьгусь’ ($1999/year).
🏆 Competitive Moat
Unique blend of high-quality educational content, expert instructors, and a diverse range of engaging formats (audio, video, text) combined with a strong community and event-based learning experiences.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
ЖурналСмотретьСпецпроектыЛикбезыПогрузиться
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Model: mlx-community/gemma-3-4b-it-qat-4bit · Analyzed: 2026-03-03 · Data extracted from the site’s main content via strict JSON prompting.

🔧 Tech Stack

FrameworkRuby on Rails
AI-Readiness Score70/100
Serveropenresty
CDN
HTTP Status200
Load Time3443 ms
Raw HTML Size563.7 KB
Visible Text Size74.4 KB

Performance & Speed

11/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

3443 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

6073
DOM nodes
564 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✓ Cache-Control header → public, no-cache
  • ✗ 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

72/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://arzamas.academy/shared/sitemap.xml.gz
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

1543
internal links
7
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 → ru-ru
  • ✓ 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 43/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for arzamas.academy
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/arzamas.academy" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=arzamas.academy" 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 53 pages · Deep-10

Homepage ACRI
43
Single-page score
+32
Subpages outperform homepage
Δ delta
Site-Wide ACRI
76
Avg across 53 pages · Range 45–85
Total Words
240009
Avg Bloat
14.1×
Page Type ACRI Token Bloat Words Status
https://arzamas.academy/courses/33
Жанна д’Арк: история мифа • Arzamas
other 85 7.2× 7005
https://arzamas.academy/courses/19
Что скрывают архивы • Arzamas
other 85 8.2× 6164
https://arzamas.academy/courses/9
Мифы Южной Америки • Arzamas
other 85 8.5× 6630
https://arzamas.academy/courses/7
Исторические подделки и подлинники • Arzamas
other 85 7.6× 6536
https://arzamas.academy/courses/29
Кто такие декабристы • Arzamas
other 85 6.3× 9478
https://arzamas.academy/courses/15
Как понимать живопись XIX века • Arzamas
other 85 9.7× 5697
https://arzamas.academy/courses/34
Мир Анны Ахматовой • Arzamas
other 85 9.2× 4959
https://arzamas.academy/courses/44
Россия глазами иностранцев • Arzamas
other 85 6.2× 9919
https://arzamas.academy/courses/13
Русская литература XX века. Сезон 1 • Arzamas
other 85 8.1× 5987
https://arzamas.academy/courses/35
Блеск и нищета Российской империи • Arzamas
other 85 8.1× 5915
https://arzamas.academy/courses/45
Как придумать свою историю • Arzamas
other 85 8.4× 5744
https://arzamas.academy/courses/17
Петербург накануне революции • Arzamas
other 85 9.4× 5415
https://arzamas.academy/courses/23
Повседневная жизнь Парижа • Arzamas
other 85 7.2× 8164
https://arzamas.academy/courses/27
Византия для начинающих • Arzamas
other 85 7.7× 7265
https://arzamas.academy/courses/36
Что такое Древняя Греция • Arzamas
other 85 5.8× 11192
https://arzamas.academy/courses/6
Антропология коммуналки • Arzamas
other 85 8.9× 5658
https://arzamas.academy/courses/28
Русское военное искусство • Arzamas
other 85 9.2× 5571
https://arzamas.academy/courses/38
Как читать русскую литературу • Arzamas
other 85 7.3× 7279
https://arzamas.academy/courses/37
Весь Шекспир • Arzamas
other 85 6.4× 9746
https://arzamas.academy/courses/31
Русская литература XX века. Сезон 4 • Arzamas
other 85 7.6× 6667
Showing 20 of 53 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
/courses/ 42 81 0% 10.2× High JS Bloat
/radio/ 2 63 0% 19.3× High JS Bloat
/about/ 2 52 0% 33.3× High JS Bloat
/themes/ 2 59 0% 23.6× High JS Bloat
/uni/ 1 46 0% 45.6× High JS Bloat
/goosegoose/ 1 59 0% 30.3× High JS Bloat
/gift/ 1 56 0% 22.8× High JS Bloat
/blog/ 1 55 0% 35.8× High JS Bloat
/mag/ 1 55 0% 34.6× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 53 pages
apps.apple.com ×53
ok.ru ×53
twitter.com ×53
play.google.com ×53
t.me ×53
youtube.com ×53
podcasts.apple.com ×53
vk.com ×53
🔄 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/arzamas.academy

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
arzamas.academy (this site) 43 70 Ruby on Rails 7.6× 2
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hyper-box-beta.apkcafe.ae 68 77 Custom / Proprietary 9.9× 1 Compare →
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📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for arzamas.academy:

Current Score
70
Projected Score
76
Improvement
+6 pts
Reduce token bloat +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