checkmk.com 74 B
🛡️ SEO 58 🤖 GEO 81 ⚡ Perf 59 🏗️ Arch 100

checkmk.com — Global SEODiff Score 74/100

checkmk.com
📊

checkmk.com achieves a 75/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Compared to other developer sites (avg score: 57), checkmk.com performs above the benchmark, 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. Token bloat registers at 6.1× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. Only 1 schema block is present — adding Organization, WebSite, and Breadcrumb schemas would significantly improve structured data coverage. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

74
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (58) is your bottleneck.
🎯 Top Fix: Monitor weekly to catch regressions early
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than checkmk.com?
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)58 × 0.25 = 14.5
🤖 AI Readiness / GEO (40% weight)81 × 0.40 = 32.4
⚡ Performance (20% weight)59 × 0.20 = 11.8
🏗️ Architecture & Trust (15% weight)100 × 0.15 = 15.0
Weighted sum = 14.5 + 32.4 + 11.8 + 15.0
Global SEODiff Score = 74 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
46
Structure
avg 35
42
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 8%
Rank #83583
+11 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

checkmk.com shows stronger AI visibility than traditional SEO ranking. Great AI foundation to build on. ACRI measures technical crawler readiness. Read the methodology →

Why checkmk.com ranks here

Tech stackCustom / Proprietary
Industrydeveloper
RenderingSSR
Schema coverage1 blocks
Token bloat6.1×

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

58/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

52 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

142 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 8
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://checkmk.com/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en
  • ✅ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Infrastructure & Application Monitoring with Checkmk
  • ✓ og:description — Checkmk is a leading tool for Infrastructure and Application Monitoring. Simple configuration, scalable, flexible. Open Source and Enterprise.
  • ✓ 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

81/100 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 →
checkmk.com
58
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 46/100 — Fair
Structured Elements 85 elements (85 lists, 0 rows, 0 headers)
Total Words1340
Raw Density6.3%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ✅ Present
Total Schema Blocks1 block(s) — Basic (low value for AI)

Schema Coverage Map

2/7 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.
💡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

65
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability65/100 — AI models can partially 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

16%
🗑️ 84%
Useful Content (24.6 KB)Bloat (126.8 KB)
Token Bloat Ratio6.1× — Normal

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage25 / 25 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: 83.7% · SNR: 0.19 · Signal: 6309 / Noise: 32455 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 checkmk.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
Checkmk provides a SaaS platform for monitoring IT infrastructure, offering a comprehensive solution for managing and visualizing server performance and
Target Audience
IT operations managers, system administrators, DevOps engineers, managed service providers, and MSPs.
Pricing Model
Subscription-based, with tiered pricing based on the number of monitored services. Offers a ‘Managed Services Use’ license for third-party monitoring and a ‘Group Use’ license for multi-entity monitoring.
🔗 Integration Partners
Grafana
🏆 Competitive Moat
AI-powered sprint planning and resource optimization, combined with a robust monitoring platform and flexible licensing options for various use cases.
📊 Content Depth
7/10
🔄 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 · 2026-03-04

🔧 Tech Stack

AI-Readiness Score50/100
ServerFollow the white rabbit
CDN
HTTP Status200
Load Time715 ms
Raw HTML Size151.4 KB
Visible Text Size24.6 KB

Performance & Speed

59/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

715 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

905
DOM nodes
151 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=86400, s-maxage=86400
  • ✗ 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://checkmk.com/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

110
internal links
9
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 → en
  • ✓ 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 58/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for checkmk.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/checkmk.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=checkmk.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 45 pages · Deep-10

Homepage ACRI
58
Single-page score
+6
Consistent readability
Δ delta
Site-Wide ACRI
64
Avg across 45 pages · Range 0–90
Topical Cohesion
14%
Topical Drift
TF-IDF cosine similarity
Total Words
81492
Avg Bloat
19.8×
Page Type ACRI Token Bloat Words Status
https://checkmk.com/guides/what-is-snmp
What is SNMP and how to use it for monitoring
pricing 90 6.7× 4305 💰 Pricing
https://checkmk.com/guides/network-monitoring
Ultimate network monitoring guide: Best practices & strategies
pricing 90 5.5× 5516 💰 Pricing
https://checkmk.com/guides/switch-monitoring
Checking your network’s backbone with switch monitoring
pricing 90 9.5× 2597 💰 Pricing
https://checkmk.com/faq
Frequently Asked Questions :: Checkmk
pricing 90 9.7× 2686 💰 Pricing
https://checkmk.com/blog/network-monitoring-four-rules-to-rule-them-all
Monitoring your network: Four rules to rule them all | Checkmk
pricing 85 8.7× 2948 💰 Pricing
https://checkmk.com/integrations
Check Plug-Ins Catalog
pricing 85 8.3× 11535 💰 Pricing
https://checkmk.com/guides/virtual-server-monitoring
The Complete Guide to Virtual Server Monitoring | Checkmk
pricing 80 10.6× 2592 💰 Pricing
https://checkmk.com/guides/windows-server-monitoring
How to make Windows server monitoring work for your company
pricing 80 13.9× 1682 💰 Pricing
https://checkmk.com/guides/nagios-alternative
Why you should replace Nagios with a modern monitoring tool
pricing 80 10.7× 2378 💰 Pricing
https://checkmk.com/guides/wlan-monitoring
Monitoring the health of your WLAN environment
pricing 80 12.3× 1859 💰 Pricing
https://checkmk.com/guides/linux-server-monitoring
Your guide to superior linux server monitoring | Checkmk
pricing 80 13.4× 2029 💰 Pricing
https://checkmk.com/blog/snmp-a-necessary-evil
SNMP: A Necessary Evil | Checkmk
pricing 75 12.6× 1890 💰 Pricing
https://checkmk.com/guides/server-monitoring
The Ultimate Guide to Reliable Server Monitoring
pricing 75 10.6× 2335 💰 Pricing
https://checkmk.com/blog/vpn-monitoring
VPN monitoring: a problem-free connection to the home office
pricing 75 11.3× 2129 💰 Pricing
https://checkmk.com/blog/building-custom-dashboards-for-vsphere-monitoring
Building custom dashboards for vSphere monitoring | Checkmk
pricing 75 12.5× 2033 💰 Pricing
https://checkmk.com/blog/checkmk-linux-server-monitoring-plug-ins
Seven check plug-ins for Linux server monitoring | Checkmk
pricing 75 14.0× 1796 💰 Pricing
https://checkmk.com/blog/checkmk-conference-6-an-insight-into-the-development-of-checkmk
Checkmk Conference #6: An insight into the development | Checkmk
pricing 75 13.5× 1743 💰 Pricing
https://checkmk.com/blog/agentless-monitoring
Agentless monitoring - it's not what you think
pricing 75 11.4× 2136 💰 Pricing
https://checkmk.com/blog/swap-monitoring
Linux Swap Monitoring: Top Insights from Checkmk | Checkmk
pricing 75 12.7× 1938 💰 Pricing
https://checkmk.com/it/pricing
Checkmk – Listino prezzi e opzioni d’acquisto
pricing 72 29.7× 2032 💰 Pricing
Showing 20 of 45 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
/blog/ 25 68 0% 22.0× High JS Bloat
/guides/ 10 82 0% 11.0× High JS Bloat
/it/ 1 72 0% 29.7× High JS Bloat
/about/ 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
/faq/ 1 90 0% 9.7× High JS Bloat
/integrations/ 1 85 0% 8.3× High JS Bloat
/pricing/ 1 72 0% 32.4× High JS Bloat
/contact/ 1 41 1% 149.7× Bot Blocked
/products/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 45 pages
conference.checkmk.com ×40
exchange.checkmk.com ×40
github.com ×39
chat.checkmk.com ×39
admin.checkmk.cloud ×39
ideas.checkmk.com ×39
hgs.white-sparrow.net ×39
forum.checkmk.com ×39
🔄 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/checkmk.com

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

🔗 Similar developer Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
checkmk.com (this site) 58 75 Custom / Proprietary 6.1× 1
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nieuwnieuw.com 82 86 Custom / Proprietary 2.5× 2 Compare →
veiligheids-sloten.nl 82 86 Custom / Proprietary 2.9× 3 Compare →
ivymoda.com 83 87 Custom / Proprietary 2.2× 3 Compare →
narva.com.au 82 94 Custom / Proprietary 5.7× 7 Compare →
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📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

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

Current Score
75
Projected Score
91
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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