ahaonline.cz 58 D
🛡️ SEO 39 🤖 GEO 76 ⚡ Perf 27 🏗️ Arch 83

ahaonline.cz — Global SEODiff Score 58/100

ahaonline.cz
📊

ahaonline.cz achieves a 66/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Compared to other infrastructure sites (avg score: 57), ahaonline.cz performs above the benchmark, suggesting strong competitive positioning in AI search. The rendering approach is hybrid, with a moderate ghost ratio of 15% — most content is accessible without JS, though some elements are client-rendered. The 6.8× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. The complete absence of JSON-LD schema is a missed opportunity: even basic Organization markup would improve how AI crawlers understand this domain. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

58
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (27) has the most room for improvement.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Feb 27, 2026 · 📋 API
📈 ACRI Trend 16 snapshots
Feb 22 Feb 27
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than ahaonline.cz?
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)39 × 0.25 = 9.8
🤖 AI Readiness / GEO (40% weight)76 × 0.40 = 30.4
⚡ Performance (20% weight)27 × 0.20 = 5.4
🏗️ Architecture & Trust (15% weight)83 × 0.15 = 12.4
Weighted sum = 9.8 + 30.4 + 5.4 + 12.4
Global SEODiff Score = 58 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
94
Rendering
avg 93
35
Structure
avg 36
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 7%
Rank #66059
+37 pts
Gap
AI (ACRI)
Top 43%
Score 66/100

ahaonline.cz 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 ahaonline.cz ranks here

Tech stackCustom / Proprietary
RenderingHybrid
Schema coverage0 blocks
Token bloat6.8×

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

39/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

73 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

179 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 26
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✗ Canonical tag present
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → cs
  • ✗ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Aha - online magazín plný žhavých drbů ze showbyznysu - AHA.cz
  • ✓ og:description — Ahaonline.cz je váš bulvární portál, který nabízí velké množství aktuálních zpráv ze showbyznysu. Naleznete v něm zajímavosti a senzace z domova i ze zahraničí.
  • ✓ 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

76/100 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 →
ahaonline.cz
48
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 15%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type Hybrid

📊 Structure & Information Density Docs

Structure Grade 35/100 — Low
Structured Elements 70 elements (70 lists, 0 rows, 0 headers)
Total Words1955
Raw Density3.6%
💡Low structure score (35/100). Your content appears as a wall of text with few structured HTML elements. You have 70 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 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

49
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability49/100 — AI models can partially extract answers from this page
Crawl CostMedium (50/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

14%
🗑️ 86%
Useful Content (54.7 KB)Bloat (319.9 KB)
Token Bloat Ratio6.8× — Normal

Multimodal Readiness

Visual Context82% Optimized for Vision
Image Alt Coverage74 / 90 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: 85.4% · SNR: 0.17 · Signal: 14012 / Noise: 81884 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…

🔧 Tech Stack

AI-Readiness Score50/100
Servernginx
CDN
HTTP Status200
Load Time2133 ms
Raw HTML Size374.6 KB
Visible Text Size54.7 KB

Performance & Speed

27/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

2133 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

2101
DOM nodes
375 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

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

🔬 Tracker Tax

1
tracker scripts
1
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
doubleclick.net
📐 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

83/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.ahaonline.cz/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

270
internal links
264
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 → cs
  • ✓ 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 48/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for ahaonline.cz
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/ahaonline.cz" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=ahaonline.cz" 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 42 pages · Deep-10

Homepage ACRI
48
Single-page score
+17
Subpages outperform homepage
Δ delta
Site-Wide ACRI
65
Avg across 42 pages · Range 64–67
Topical Cohesion
10%
Topical Drift
TF-IDF cosine similarity
Total Words
41225
Avg Bloat
53.0×
Page Type ACRI Token Bloat Words Status
https://www.ahaonline.cz/clanek/aha-pro-zeny-volny-cas/231864/egypt-nil-jako-cesta-casem.html
Egypt: Nil jako cesta časem | Ahaprozeny.cz
other 67 49.3× 793
https://www.ahaonline.cz/clanek/musite-vedet/232093/pojisteni-muze-byt-nutnost-i-zbytecnost-co-a-proc-si-pojistit.html
Pojištění může být nutnost i zbytečnost: Co a proč si pojistit? | Ahaonline.cz
other 67 23.2× 1944
https://www.ahaonline.cz/clanek/laska-a-sex/232074/je-sex-na-prvnim-rande-tabu.html
Je sex na prvním rande tabu? | Ahaonline.cz
other 67 49.2× 815
https://www.ahaonline.cz/clanek/laska-a-sex/232073/znamena-to-ze-jsem-spatna-v-sexu.html
Znamená to, že jsem špatná v sexu?! | Ahaonline.cz
other 67 48.7× 827
https://www.ahaonline.cz/clanek/musite-vedet/232070/cinan-je-sef-za-vsechny-prachy-zamestnancum-dal-pul-miliardy.html
Číňan je šéf za všechny prachy! Zaměstnancům dal půl miliardy | Ahaonline.cz
other 67 47.8× 903
https://www.ahaonline.cz/clanek/aha-pro-zeny-trendy-a-styl/231823/denimove-vyhlidky.html
Denimové vyhlídky... | Ahaprozeny.cz
other 67 58.1× 672
https://www.ahaonline.cz/clanek/musite-vedet/232069/matka-od-rodiny-eva-50-z-chebske-benzinky-touzi-vydat-svou-knihu-pohadek.html
Matka od rodiny Eva (50) z chebské benzinky: Touží vydat svou knihu pohádek! | Ahaonline.cz
other 67 47.7× 963
https://www.ahaonline.cz/clanek/musite-vedet/232067/rodice-vypovidali-u-soudu-deti-znasilnoval-stryc-a-synovec.html
Rodiče vypovídali u soudu... Děti znásilňoval strýc a synovec?! | Ahaonline.cz
other 67 50.2× 849
https://www.ahaonline.cz/clanek/aha-pro-zeny-zdravi-a-relax/231890/vice-kysliku-v-tele-mene-nemoci-lepsi-kondice.html
Více kyslíku v těle = méně nemocí, lepší kondice! | Ahaprozeny.cz
other 67 38.3× 1034
https://www.ahaonline.cz/clanek/zhave-drby/232086/soukup-odhodil-i-posledni-zabrany-agata-ma-strach.html
Soukup odhodil i poslední zábrany: Agáta má strach | Ahaonline.cz
other 67 43.6× 1360
https://www.ahaonline.cz/clanek/musite-vedet/232091/krkavci-napadaji-zvirata-a-klovou-oci-zaziva.html
Krkavci napadají zvířata a... Klovou oči zaživa | Ahaonline.cz
other 67 56.5× 740
https://www.ahaonline.cz/clanek/musite-vedet/232090/zazvor-je-vic-nez-jen-prisada-do-caje-nenapadny-koren-plny-sily.html
Zázvor je víc než jen přísada do čaje: Nenápadný kořen plný síly | Ahaonline.cz
other 67 45.7× 939
https://www.ahaonline.cz/clanek/zhave-drby/232080/vrazedna-detska-nemoc-je-zpet-mnoho-mrtvych.html
Vražedná dětská nemoc je zpět: Mnoho mrtvých | Ahaonline.cz
other 67 35.3× 1293
https://www.ahaonline.cz/clanek/zhave-drby/232052/marsalek-o-roli-porotce-mame-to-ve-scenari.html
Maršálek o roli porotce: Máme to ve scénáři... | Ahaonline.cz
other 67 34.5× 1677
https://www.ahaonline.cz/clanek/musite-vedet/232032/liberecti-experti-vylepsuji-svetovy-unikat-moc-jako-palivo.html
Liberečtí experti vylepšují světový unikát: Moč jako palivo! | Ahaonline.cz
other 67 42.1× 1022
https://www.ahaonline.cz/clanek/aha-pro-zeny-zdravi-a-relax/231889/oxygenoterapie-zlepsuje-kvalitu-zivota-navic-muze-probihat-i-doma.html
Oxygenoterapie zlepšuje kvalitu života, navíc může probíhat i doma... | Ahaprozeny.cz
docs 67 26.5× 1529
https://www.ahaonline.cz/clanek/aha-pro-zeny-trendy-a-styl/231822/kdyz-modra-sazi-na-zenskost.html
Když »modrá« sází na ženskost... | Ahaprozeny.cz
other 67 57.9× 687
https://www.ahaonline.cz/clanek/aha-pro-zeny-volny-cas/231863/tenerife-ostrov-ktery-se-prizpusobi.html
Tenerife: Ostrov, který se přizpůsobí... | Ahaprozeny.cz
other 67 48.9× 801
https://www.ahaonline.cz/clanek/aha-pro-zeny-trendy-a-styl/231825/bundy-z-denimu.html
Bundy z denimu... | Ahaprozeny.cz
other 67 58.6× 665
https://www.ahaonline.cz/clanek/aha-pro-zeny-trendy-a-styl/231801/denim-vecna-klasika.html
Denim - Věčná klasika... | Ahaprozeny.cz
other 67 58.8× 689
Showing 20 of 42 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
/clanek/ 42 65 0% 53.0× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 42 pages
pigy.cz ×42
zbozi.auto.cz ×42
tlapky.blesk.cz ×42
blesk.cz ×42
ulovauto.cz ×42
reflex.cz ×42
e15.cz ×42
maminka.cz ×42
🔄 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/ahaonline.cz

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
ahaonline.cz (this site) 48 66 Custom / Proprietary 6.8× 0
seger.es.gov.br 73 80 Custom / Proprietary 5.1× 0 Compare →
beau-coup.com 73 80 Custom / Proprietary 5.9× 1 Compare →
money-link.com.tw 73 80 Custom / Proprietary 3.1× 0 Compare →
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📊 Semantic Share of Voice

How often would an AI cite ahaonline.cz 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 ahaonline.cz. 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": "Ahaonline",
  "url": "https://ahaonline.cz",
  "logo": "https://img2.cncenter.cz/favicon/aha/apple-touch-icon.png?v=1",
  "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": "Ahaonline",
  "url": "https://ahaonline.cz",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://ahaonline.cz/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 Ahaonline?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Ahaonline does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Ahaonline work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Ahaonline."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for ahaonline.cz:

Current Score
66
Projected Score
82
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