seclists.org 67 C
🛡️ SEO 57 🤖 GEO 72 ⚡ Perf 58 🏗️ Arch 79

seclists.org — Global SEODiff Score 67/100

seclists.org
📊

With a 59/100 ACRI, seclists.org has a moderate AI visibility profile — functional but not yet optimized for AI crawlers. Compared to other education sites (avg score: 57), seclists.org 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 token bloat ratio sits at a lean 1.7×, meaning the ratio of code to visible content is efficient — crawlers spend their token budget on actual information. Minimal structured data (1 block) limits the site's ability to communicate entity relationships to AI systems. Some AI crawlers are permitted while others are blocked — a mixed robots.txt policy that limits visibility in certain AI ecosystems.

67
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (57) is your bottleneck.
🎯 Top Fix: Add HSTS header → +2 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 16, 2026 · 📋 API
📈 ACRI Trend 6 snapshots
Feb 23 Mar 16
🔔 Recent AI Indexing Activity
🔄 Mar 16 Content change detected
Does your site score higher than seclists.org?
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)57 × 0.25 = 14.2
🤖 AI Readiness / GEO (40% weight)72 × 0.40 = 28.8
⚡ Performance (20% weight)58 × 0.20 = 11.6
🏗️ Architecture & Trust (15% weight)79 × 0.15 = 11.8
Weighted sum = 14.2 + 28.8 + 11.6 + 11.8
Global SEODiff Score = 67 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
80
Bot Access
avg 92
99
Rendering
avg 93
22
Structure
avg 35
2
Schema
avg 9
55
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 4%
Rank #41969
+51 pts
Gap
AI (ACRI)
Top 55%
Score 59/100

seclists.org 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 seclists.org ranks here

Tech stackExpress
Industryeducation
RenderingSSR
Schema coverage1 blocks
Token bloat1.7×

Fastest improvements

  • You’re already in decent shape — the next moat is monitoring drift over time.
  • 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

57/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

42 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

187 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 11
  • ✓ <h2> not before <h1>

🔍 Indexability

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

🌐 Social / OpenGraph

  • ✗ og:title
  • ✗ og:description
  • ✗ og:image
  • ✗ 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

72/100 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 education sector, educationdirectory.com.au (ACRI: 86) 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 →
seclists.org
49
Your ACRI Score
86
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. educationdirectory.com.au has schema coverage of 4 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)
Blocked
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 124 elements (124 lists, 0 rows, 0 headers)
Total Words8592
Raw Density1.4%
💡Low structure score (22/100). Your content appears as a wall of text with few structured HTML elements. You have 124 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

1/7 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.

📐 AI Efficiency Metrics Docs

52
AI Extractability
Low
Crawl Cost
Low
Blocklist Risk
Extractability52/100 — AI models can partially extract answers from this page
Crawl CostLow (30/100) — efficient for AI crawlers to process
Blocklist RiskLow — 1 of 5 AI crawlers blocked

Token Bloat Research

58%
🗑️ 42%
Useful Content (63.5 KB)Bloat (46.7 KB)
Token Bloat Ratio1.7× — Lean

Multimodal Readiness

Visual Context93% Optimized for Vision
Image Alt Coverage113 / 121 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

82 Entropy
Good Token Bloat: Low
Noise Ratio: 42.4% · SNR: 1.36 · Signal: 16249 / Noise: 11956 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 seclists.org 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 a comprehensive archive of security mailing lists, including vulnerability disclosures and technical discussions related to network security tools like Nmap and Npcap.
Target Audience
Security researchers, penetration testers, network administrators, developers, and anyone involved in network security analysis and vulnerability research.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Extensive archive of security mailing lists and vulnerability disclosures, providing a unique and valuable resource for security professionals.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
RSS feeds
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-02

🔧 Tech Stack

FrameworkExpress
AI-Readiness Score55/100
ServerApache/2.4.6 (CentOS)
CDN
HTTP Status200
Load Time804 ms
Raw HTML Size110.2 KB
Visible Text Size63.5 KB

Performance & Speed

58/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

804 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

2472
DOM nodes
110 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✗ 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

79/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://seclists.org/seclists_index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

254
internal links
139
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 49/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for seclists.org
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/seclists.org" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=seclists.org" 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 74 pages · Deep-10

Homepage ACRI
49
Single-page score
+14
Subpages outperform homepage
Δ delta
Site-Wide ACRI
64
Avg across 74 pages · Range 29–90
Topical Cohesion
27%
Topical Drift
TF-IDF cosine similarity
Total Words
112569
Avg Bloat
15.6×
Page Type ACRI Token Bloat Words Status
https://seclists.org/pricing
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/about
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/features
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/products
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/docs
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/blog
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/case-studies
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/contact
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/integrations
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/faq
SecLists.Org Security Mailing List Archive
pricing 90 2.6× 8459 💰 Pricing
https://seclists.org/pen-test/2000/Aug/110
Penetration Testing: Re: [PEN-TEST] Home-Banking PEN-TESTING
other 82 4.7× 596
https://seclists.org/pen-test/2000/Aug/120
Penetration Testing: Re: [PEN-TEST] SV: [PEN-TEST] Home-Banking PEN-TESTING
other 82 4.1× 679
https://seclists.org/pen-test/2000/Aug/121
Penetration Testing: [PEN-TEST] E-Commerce Merchant Penetration Observations
other 82 3.5× 855
https://seclists.org/pen-test/2000/Aug/123
Penetration Testing: Re: [PEN-TEST] Proxy Penetrated
other 82 4.7× 589
https://seclists.org/pen-test/2000/Aug/
Penetration Testing: by thread
other 82 3.1× 2378
https://seclists.org/dailydave/
Daily Dave Mailing List
other 82 4.3× 916
https://seclists.org/dataloss/
BreachExchange Mailing List
other 82 4.1× 1190
https://seclists.org/pen-test/2000/Aug/113
Penetration Testing: Re: [PEN-TEST] Two cents on Phys-Testing
other 82 4.7× 556
https://seclists.org/nanog/
NANOG Mailing List
pricing 82 4.5× 1730 💰 Pricing
https://seclists.org/oss-sec/
Open Source Security Mailing List
other 82 4.2× 1091
Showing 20 of 74 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
/pen-test/ 35 66 0% 9.1× High JS Bloat
/pauldotcom/ 1 39 0% 22.5× High JS Bloat
/bugtraq/ 1 54 0% 12.2× High JS Bloat
/faq/ 1 90 0% 2.6× Healthy
/contact/ 1 90 0% 2.6× Healthy
/dailydave/ 1 82 0% 4.3× Healthy
/fulldisclosure/ 1 77 0% 5.4× High JS Bloat
/images/ 1 57 0% 16.4× High JS Bloat
/funsec/ 1 44 0% 18.1× High JS Bloat
/microsoft/ 1 44 0% 16.4× High JS Bloat
/products/ 1 90 0% 2.6× Healthy
/cert/ 1 67 0% 6.9× High JS Bloat
/nmap-announce/ 1 67 0% 7.4× High JS Bloat
/firewall-wizards/ 1 54 0% 13.9× High JS Bloat
/interesting-people/ 1 54 0% 14.2× High JS Bloat
🔄 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/seclists.org

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 seclists.org. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
seclists.org (this site) 49 59 Express 1.7× 1
hcc.edu 74 79 Express 2.5× 0 Compare →
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📊 Semantic Share of Voice

How often would an AI cite seclists.org 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 seclists.org. 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": "Seclists",
  "url": "https://seclists.org",
  "logo": "https://seclists.org/shared/images/tiny-eyeicon.png",
  "sameAs": []
}
</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 Seclists?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Seclists does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Seclists work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Seclists."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for seclists.org:

Current Score
59
Projected Score
68
Improvement
+9 pts
Add Organization schema +6 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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