longfonds.nl 70 B
🛡️ SEO 45 🤖 GEO 80 ⚡ Perf 74 🏗️ Arch 80

longfonds.nl — Global SEODiff Score 70/100

longfonds.nl
📊

The AI-Readiness profile for longfonds.nl is strong: an ACRI of 73/100 places it ahead of 75% of domains in the index. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. Token bloat registers at 5.1× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. No structured data was detected, which means AI systems must infer all entities and relationships from raw HTML alone. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

70
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (45) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)45 × 0.25 = 11.2
🤖 AI Readiness / GEO (40% weight)80 × 0.40 = 32.0
⚡ Performance (20% weight)74 × 0.20 = 14.8
🏗️ Architecture & Trust (15% weight)80 × 0.15 = 12.0
Weighted sum = 11.2 + 32.0 + 14.8 + 12.0
Global SEODiff Score = 70 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
53
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 24%
Rank #236759
Aligned
Gap
AI (ACRI)
Top 25%
Score 73/100

longfonds.nl has balanced Google and AI visibility — both rank roughly in the same tier. ACRI measures technical crawler readiness. Read the methodology →

Why longfonds.nl ranks here

Tech stackDrupal
Industry
RenderingSSR
Schema coverage0 blocks
Token bloat5.1×

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

45/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

47 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

249 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 4
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.longfonds.nl/node/275
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → nl
  • ➖ 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

80/100 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.

🚨

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 53/100 — Fair
Structured Elements 65 elements (65 lists, 0 rows, 0 headers)
Total Words771
Raw Density8.4%

🏷️ 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

61
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability61/100 — 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

19%
🗑️ 81%
Useful Content (13.4 KB)Bloat (54.3 KB)
Token Bloat Ratio5.1× — Normal

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage14 / 14 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: 80.2% · SNR: 0.25 · Signal: 3431 / Noise: 13913 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 longfonds.nl 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
Longfonds is a Dutch non-profit organization focused on supporting individuals affected by long-term illnesses and promoting research into these conditions.
Target Audience
Individuals with long-term illnesses and their families, potential donors, volunteers, and healthcare professionals seeking advice.
Pricing Model
Donations via bank transfer (various IBANs), QR code donations, and potential for recurring donations. No explicit pricing information is provided.
🛡️ Compliance Standards
ANBI
🏆 Competitive Moat
Strong brand reputation and established presence within the Dutch long-term illness community, combined with a user-friendly fundraising platform.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Action platform URLDonation URLsContact information URLs
⚡ Key Pain Points
• Limited SEO optimization of contact pages
• Lack of clear call to action for specific services (e.g., advice)
• Reliance on manual processes for donation handling
Analyzed by SEODiff AI · 2026-03-11

🔧 Tech Stack

FrameworkDrupal
AI-Readiness Score70/100
Servernginx
CDN
HTTP Status200
Load Time695 ms
Raw HTML Size67.8 KB
Visible Text Size13.4 KB

Performance & Speed

74/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

695 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

560
DOM nodes
68 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=3600, public
  • ✗ 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

80/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✗ Sitemap declared in robots.txt
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

71
internal links
10
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 → nl
  • ✓ 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 56/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

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

Homepage ACRI
56
Single-page score
-49
Severe hidden bloat
Δ delta
Site-Wide ACRI
8
Avg across 10 pages · Range 0–75
🔍
Hidden Bloat Detected

Homepage scores 56, but internal pages average only 8 — a -49-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
826
Avg Bloat
1.2×
Page Type ACRI Token Bloat Words Status
https://longfonds.nl/contact
Contact | Longfonds
support 75 11.6× 826
https://longfonds.nl/pricing pricing 0 0.0× 0
https://longfonds.nl/about about 0 0.0× 0
https://longfonds.nl/features product 0 0.0× 0
https://longfonds.nl/products product 0 0.0× 0
https://longfonds.nl/blog blog 0 0.0× 0
https://longfonds.nl/docs docs 0 0.0× 0
https://longfonds.nl/case-studies social-proof 0 0.0× 0
https://longfonds.nl/integrations integrations 0 0.0× 0
https://longfonds.nl/faq support 0 0.0× 0
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/features/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 75 0% 11.6× High JS Bloat
/case-studies/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 10 pages
postcovidnl.nl ×1
instagram.com ×1
research.longfonds.nl ×1
voorlongfonds.nl ×1
nl-nl.facebook.com ×1
youtube.com ×1
twitter.com ×1
longforum.nl ×1
🔄 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/longfonds.nl

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

🔗 Similar Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
longfonds.nl (this site) 56 73 Drupal 5.1× 0
dongailbo.co.kr 66 75 Custom / Proprietary 5.0× 0 Compare →
honichi.com 66 82 Ruby on Rails 5.2× 0 Compare →
clackamas.edu 66 74 Custom / Proprietary 4.0× 0 Compare →
monipla.jp 66 79 Custom / Proprietary 3.9× 0 Compare →
dublinchamber.org 66 80 Custom / Proprietary 3.8× 0 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for longfonds.nl:

Current Score
73
Projected Score
89
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
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