pg21.ru 59 D
🛡️ SEO 13 🤖 GEO 78 ⚡ Perf 59 🏗️ Arch 88

pg21.ru — Global SEODiff Score 59/100

pg21.ru
📊

With a solid 71/100 ACRI, pg21.ru is well-positioned for AI search — better than 70% of sites in the Radar. Compared to other saas sites (avg score: 57), pg21.ru performs above the benchmark, suggesting strong competitive positioning in AI search. The low ghost ratio (5%) confirms that what crawlers see matches what users see — a hallmark of strong SSR implementation. Token bloat registers at 8.7× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. 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.

59
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 29 snapshots
Feb 21 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 20 Content change detected
🔄 Mar 20 Content change detected
🔄 Mar 18 Content change detected
📈 Mar 16 ACRI +6 (47→53)
Does your site score higher than pg21.ru?
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)13 × 0.25 = 3.2
🤖 AI Readiness / GEO (40% weight)78 × 0.40 = 31.2
⚡ Performance (20% weight)59 × 0.20 = 11.8
🏗️ Architecture & Trust (15% weight)88 × 0.15 = 13.2
Weighted sum = 3.2 + 31.2 + 11.8 + 13.2
Global SEODiff Score = 59 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
45
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 4%
Rank #41755
+26 pts
Gap
AI (ACRI)
Top 30%
Score 71/100

pg21.ru 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 pg21.ru ranks here

Tech stackNext.js
Industrysaas
RenderingSSR
Schema coverage0 blocks
Token bloat8.7×

Fastest improvements

  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • 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

13/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

97 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

483 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 0
  • ✓ Has <h2> headings — found 23
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://pg21.ru/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → ru
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Новости Чувашии | Новости Чебоксар и Новочебоксарска
  • ✓ og:description — Про Город Чебоксары — главные и самые свежие новости Чебоксар и республики Чувашия. Происшествия, аварии, бизнес, политика, спорт, фоторепортажи и онлайн трансляции — всё что важно и интересно знать о жизни в нашем городе. Афиша событий и мероприятий в Чебоксарах
  • ✓ og:image — preview
  • ✓ twitter:card — summary
📐 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

78/100 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 saas sector, smahospital.jp (ACRI: 84) 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 →
pg21.ru
53
Your ACRI Score
84
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. smahospital.jp has schema coverage of 1 blocks and uses Next.js. 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 45/100 — Fair
Structured Elements 90 elements (90 lists, 0 rows, 0 headers)
Total Words1460
Raw Density6.2%

🏷️ 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

50
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability50/100 — AI models can partially extract answers from this page
Crawl CostMedium (40/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

11%
🗑️ 89%
Useful Content (18.2 KB)Bloat (140.9 KB)
Token Bloat Ratio8.7× — Normal

Multimodal Readiness

Visual Context93% Optimized for Vision
Image Alt Coverage25 / 27 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 88.6% · SNR: 0.13 · Signal: 4659 / Noise: 36077 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 pg21.ru 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 provides news and information related to various topics in the Чувашия region, including local news, business, food, health,
Target Audience
Local residents of Чувашия, particularly those interested in regional news, local business, and lifestyle content.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Local news aggregation and information dissemination.
📊 Content Depth
3/10
⚡ Key Pain Points
• Limited SEO optimization
• Lack of structured data
• Reliance on general news aggregation
Analyzed by SEODiff AI · 2026-03-02

🔧 Tech Stack

FrameworkNext.js
AI-Readiness Score70/100
Servernginx/1.20.1
CDN
HTTP Status200
Load Time772 ms
Raw HTML Size159.1 KB
Visible Text Size18.2 KB

Performance & Speed

59/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

772 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

926
DOM nodes
159 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ 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

88/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://pg21.ru/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

106
internal links
27
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
  • ✓ 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 53/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for pg21.ru
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/pg21.ru" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=pg21.ru" 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 85 pages · Deep-10

Homepage ACRI
53
Single-page score
+4
Consistent readability
Δ delta
Site-Wide ACRI
58
Avg across 85 pages · Range 0–69
Total Words
70553
Avg Bloat
23.1×
Page Type ACRI Token Bloat Words Status
https://pg21.ru/igolchatyy-rf-lifting
Игольчатый RF-лифтинг: Эволюция безоперационного омоложения и почему это процедура №1
other 69 19.6× 1298
https://pg21.ru/muzyka-iz-niotkuda-top-sposobov-zamaskirovat-audiosistemu
Невидимый звук: 7 способов спрятать колонки и сохранить дизайн
other 69 19.7× 1211
https://pg21.ru/avtomatizaciya-magazina-roznichnoy-torgovli
Автоматизация магазина розничной торговли: какие задачи решает
other 68 13.0× 3902
https://pg21.ru/kak-dokazat-brak-v-remonte-ekspertiza
Как доказать брак в ремонте: строительная экспертиза и суд с подрядчиком
other 68 15.6× 1905
https://pg21.ru/reyting-top-10-luchshikh-sostavov-bakteriy-dlya-septikov-ekspertnoye-rukovodstvo-po-vyboru
Лучшие бактерии для септиков: Рейтинг топ-10 составов и гид по выбору
other 68 18.5× 1924
https://pg21.ru/idei-dlya-zimney-fotosessii-v-cheboksarah
Идеи для зимней фотосессии в Чебоксарах: где и как снимать
legal 68 15.0× 2159
https://pg21.ru/luchshie-onlayn-kursy-1s-i-buhgaltera-dlya-uspeshnoy-karery-v-finansah
Лучшие онлайн курсы 1С и бухгалтера для успешной карьеры в финансах
other 68 19.0× 1377
https://pg21.ru/kraska-dlya-volos-kak-vybrat-idealniy-ottenok-i-dobitsya-khoroshego-rezultata
Краска для волос: как выбрать идеальный оттенок и добиться хорошего результата
other 64 23.4× 873
https://pg21.ru/gazoblok-sovremennyye-tekhnologii-v-stroitelstve
Газоблок: современные технологии в строительстве
other 64 25.7× 777
https://pg21.ru/vkhodnyye-metallicheskiye-dveri-v-kvartiru-zaschita-stil-i-komfort
Входные металлические двери в квартиру: защита, стиль и комфорт
other 64 25.3× 792
https://pg21.ru/kak-vybrat-kurinyye-okorochka-sovety-po-kachestvu-i-prigotovleniyu
Как выбрать куриные окорочка: советы по качеству и приготовлению
other 64 23.0× 894
https://pg21.ru/dostavka-tovarov-iz-kitaya-v-rossiyu-klyuchevyye-aspekty-i-sovety-dlya-biznesa
Доставка товаров из Китая в Россию: ключевые аспекты и советы для бизнеса
other 64 24.3× 843
https://pg21.ru/tayskiy-massazh-polza-tekhniki-i-osobennosti-protsedury-dlya-zdorovya
Тайский массаж: польза, техники и особенности процедуры для здоровья
other 64 23.5× 897
https://pg21.ru/vnedreniye-i-nastroyka-bitrix24-klyuchevyye-aspekty-i-etapy
Внедрение и настройка Bitrix24: ключевые аспекты и этапы
other 64 24.5× 840
https://pg21.ru/kak-pokupat-kachestvennye-produkty-s-maksimalnoy-vygodoy
Как покупать качественные продукты с максимальной выгодой
other 64 23.5× 864
https://pg21.ru/lite-tsam-pod-davleniyem-sovremennyye-tekhnologii-dlya-vysokokachestvennoy-produktsii
Литье ЦАМ под давлением: современные технологии для высококачественной продукции
other 64 26.2× 767
https://pg21.ru/zakaz-mikroavtobusa-na-chas-gibkoye-resheniye-dlya-lyubykh-zadach
Заказ микроавтобуса на час: гибкое решение для любых задач
other 64 27.9× 706
https://pg21.ru/klimaticheskoye-oborudovaniye-dlya-otopleniya-sovremennyye-resheniya-dlya-komfortnogo-doma
Климатическое оборудование для отопления: современные решения для комфортного дома
other 64 25.3× 811
https://pg21.ru/kursy-po-nutritsiologii-kak-vybrat-i-chemu-nauchat
Курсы по нутрициологии: как выбрать и чему научат
other 64 27.5× 723
https://pg21.ru/kragi-vachegi-nadezhnaya-zashchita-dlya-professionalov
Краги – зачем нужны и где используются
other 64 28.6× 672
Showing 20 of 85 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
/ringtony-tik-tok-samyye-populyarnyye-melodii-na-zvonok/ 1 64 0% 24.9× High JS Bloat
/products/ 1 0 0% 0.0× Low AI Readiness
/vkhodnyye-metallicheskiye-dveri-v-kvartiru-zaschita-stil-i-komfort/ 1 64 0% 25.3× High JS Bloat
/lite-tsam-pod-davleniyem-sovremennyye-tekhnologii-dlya-vysokokachestvennoy-produktsii/ 1 64 0% 26.2× High JS Bloat
/situaciya-v-it-sektore-chuvashii/ 1 64 0% 28.2× High JS Bloat
/gryzhi-poyasnichno-kresttsovogo-otdela-prichiny-simptomy-i-metody-lecheniya/ 1 64 0% 25.6× High JS Bloat
/banki-i-upakovka-dlya-biznesa-kak-steklo-pomogayet-prodavat/ 1 64 0% 26.2× High JS Bloat
/vnedreniye-i-nastroyka-bitrix24-klyuchevyye-aspekty-i-etapy/ 1 64 0% 24.5× High JS Bloat
/zimnyaya-rezina-viatti-usloviya-ekspluatacii/ 1 64 0% 26.1× High JS Bloat
/kak-pokupat-kachestvennye-produkty-s-maksimalnoy-vygodoy/ 1 64 0% 23.5× High JS Bloat
/vybor-elektrooborudovaniya-klyuchevyye-aspekty-dlya-uspeshnoy-pokupki/ 1 64 0% 25.4× High JS Bloat
/dostavka-tsvetov-iskusstvo-peredachi-emotsiy-i-zaboty-cherez-zhivyye-kompozitsii/ 1 64 0% 24.4× High JS Bloat
/chto-vliyaet-na-stoimost-lazernoy-korrekcii-razbiraem-po-punktam/ 1 64 0% 25.6× High JS Bloat
/blog/ 1 0 0% 0.0× Low AI Readiness
/mekhanika-peremescheniya-kak-evolyutsiya-prosteyshey-telezhki-transformirovala-logistiku/ 1 64 0% 24.7× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 85 pages
max.ru ×77
liveinternet.ru ×77
t.me ×77
metrika.yandex.ru ×77
drive.google.com ×77
youtvnews.com ×77
ok.ru ×77
vk.com ×77
🔄 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/pg21.ru

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

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Domains with a similar tech stack, industry, and AI readiness profile to pg21.ru. Compare side-by-side.

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pg21.ru (this site) 53 71 Next.js 8.7× 0
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📊 Semantic Share of Voice

How often would an AI cite pg21.ru 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 pg21.ru. 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": "Pg21",
  "url": "https://pg21.ru",
  "logo": "https://pg21.ru/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": "Pg21",
  "url": "https://pg21.ru",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://pg21.ru/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 Pg21?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Pg21 does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Pg21 work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Pg21."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for pg21.ru:

Current Score
71
Projected Score
87
Improvement
+16 pts
Add Organization schema +6 pts
Add WebSite schema +4 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
🔍 Found indexing issues?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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