stack.storage 70 B
🛡️ SEO 75 🤖 GEO 71 ⚡ Perf 52 🏗️ Arch 80

stack.storage — Global SEODiff Score 70/100

stack.storage
📊

Registering an exceptional 88/100 on the AI-Crawler Reality Index, stack.storage sits in the highest tier of AI extractability among indexed domains. In the infrastructure sector, stack.storage outperforms the average (57), suggesting strong competitive positioning in AI search. Server-side rendering keeps the ghost ratio near zero, giving AI systems direct access to all visible content. Heavy markup overhead (23.9× bloat) forces AI systems to wade through excess code before finding useful information. The site includes 3 schema blocks, providing adequate structured data for basic entity recognition. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

70
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Performance (52) is your bottleneck.
🎯 Top Fix: Reduce token bloat (24×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Feb 26, 2026 · 📋 API
Does your site score higher than stack.storage?
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)75 × 0.25 = 18.8
🤖 AI Readiness / GEO (40% weight)71 × 0.40 = 28.4
⚡ Performance (20% weight)52 × 0.20 = 10.4
🏗️ Architecture & Trust (15% weight)80 × 0.15 = 12.0
Weighted sum = 18.8 + 28.4 + 10.4 + 12.0
Global SEODiff Score = 70 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
97
Rendering
avg 93
78
Structure
avg 36
86
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 5%
Rank #47294
Aligned
Gap
AI (ACRI)
Top 1%
Score 88/100

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

Why stack.storage ranks here

Tech stackCustom / Proprietary
RenderingHybrid
Schema coverage3 blocks
Token bloat23.9×

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

75/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

51 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

153 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 7
  • ✓ <h2> not before <h1>

🔍 Indexability

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

🌐 Social / OpenGraph

  • ✗ og:title
  • ✓ og:description — Opslag voor elk idee ✓ STACK is de online cloudopslag voor het bewaren, synchroniseren en delen van al je bestanden ✓ Veilig en gebruiksvriendelijk.
  • ✓ 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

71/100 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 →
stack.storage
70
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 10%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type Hybrid

📊 Structure & Information Density Docs

Structure Grade 78/100 — Good
Structured Elements 257 elements (236 lists, 8 rows, 13 headers)
Total Words1423
Raw Density18.1%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ✅ Present
Total Schema Blocks3 blocks

Schema Coverage Map

4/7 schema types detected
✅ Organization
✅ Product/Service
❌ Breadcrumb
✅ FAQ
❌ Article
❌ WebSite
💡BreadcrumbList schema missing. AI cannot understand your site hierarchy or how pages relate to each other.
💡WebSite schema missing. Add WebSite + SearchAction so Google can generate a Sitelinks Search Box for your brand in AI results.

📐 AI Efficiency Metrics Docs

73
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability73/100 — AI models can easily extract answers from this page
Crawl CostMedium (60/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

4%
🗑️ 96%
Useful Content (16.0 KB)Bloat (364.8 KB)
Token Bloat Ratio23.9× — Heavy

Multimodal Readiness

Visual ContextNo images detected
Image Alt Coverage0 / 0 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 380.7 KB, but only 16.0 KB is text. 4% useful / 96% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (23.9×) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 95.8% · SNR: 0.04 · Signal: 4083 / Noise: 93378 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

A local LLM (mlx-community/gemma-3-4b-it-qat-4bit) analyzed the extracted content of stack.storage 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
STACK provides an online cloud storage solution for users to securely store their files, photos, and videos, accessible via web
Target Audience
Individuals, small businesses, and users seeking secure online storage and file sharing solutions.
Pricing Model
Tiered pricing, starting with an introductory rate of €8.99 per month for 1000GB, with options for upgrades to larger storage capacities (e.g., €69.99/month for 10000GB).
🔗 Integration Partners
Synology NAS
🏆 Competitive Moat
European-based infrastructure, in-house development and support, and a commitment to open-source software, offering a secure and reliable alternative to US-based providers.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Comparison pages (vs. Dropbox, Google Drive, iCloud, OneDrive)Knowledge Base articles (FAQ, installation guides, troubleshooting)
⚡ Key Pain Points
• Lack of data analysis by competitors
• Limited integration options compared to competitors
• Need to manually expand storage
Model: mlx-community/gemma-3-4b-it-qat-4bit · Analyzed: 2026-03-02 · Data extracted from the site’s main content via strict JSON prompting.

🔧 Tech Stack

AI-Readiness Score50/100
Servernginx
CDN
HTTP Status200
Load Time951 ms
Raw HTML Size380.7 KB
Visible Text Size16.0 KB

Performance & Speed

52/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

951 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1790
DOM nodes
381 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✓ Cache-Control header → no-cache, private
  • ✗ 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

164
internal links
21
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 70/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for stack.storage
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/stack.storage" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=stack.storage" 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 21 pages · Deep-10

Homepage ACRI
70
Single-page score
-1
Consistent readability
Δ delta
Site-Wide ACRI
69
Avg across 21 pages · Range 69–69
Total Words
19089
Avg Bloat
85.9×
RAG Fractures [?]
21
⚠️
21 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 21 pages will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://stack.storage/api
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/pricing
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/guides
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/help
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 86.7× 909 ⚠️ RAG Fracture
https://stack.storage/about
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/resources
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/solutions
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/products
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/features
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/blog
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/docs
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/demo
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/get-started
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/case-studies
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/support
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/integrations
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/faq
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/contact
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/trust
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 85.8× 909 ⚠️ RAG Fracture
https://stack.storage/security
Jouw online Cloudopslag met STACK. Own it / TransIP
pricing 69 86.7× 909 ⚠️ RAG Fracture
Showing 20 of 21 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
/case-studies/ 1 69 0% 85.8× High JS Bloat
/faq/ 1 69 0% 85.8× High JS Bloat
/resources/ 1 69 0% 85.8× High JS Bloat
/demo/ 1 69 0% 85.8× High JS Bloat
/get-started/ 1 69 0% 85.8× High JS Bloat
/security/ 1 69 0% 86.7× High JS Bloat
/about/ 1 69 0% 85.8× High JS Bloat
/api/ 1 69 0% 85.8× High JS Bloat
/support/ 1 69 0% 85.8× High JS Bloat
/docs/ 1 69 0% 85.8× High JS Bloat
/products/ 1 69 0% 85.8× High JS Bloat
/integrations/ 1 69 0% 85.8× High JS Bloat
/features/ 1 69 0% 85.8× High JS Bloat
/contact/ 1 69 0% 85.8× High JS Bloat
/guides/ 1 69 0% 85.8× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 21 pages
cdn.transip.net ×21
youtube.com ×21
twitter.com ×21
transip.nl ×21
facebook.com ×21
linkedin.com ×21
nlcareers.team.blue ×21
🔄 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/stack.storage

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
stack.storage (this site) 70 88 Custom / Proprietary 23.9× 3
pubsandclubs.com.au 86 87 Custom / Proprietary 4.9× 4 Compare →
kondela.hu 86 93 Custom / Proprietary 3.1× 4 Compare →
safescan.com 86 87 Custom / Proprietary 1.9× 5 Compare →
kruizinga.nl 87 93 Custom / Proprietary 3.0× 5 Compare →
violinsetc.com 89 86 Custom / Proprietary 2.2× 1 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite stack.storage 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 stack.storage. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

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": "Storage",
  "url": "https://stack.storage",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://stack.storage/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 4% of your HTML is useful content. AI crawlers waste context window tokens on bloat.
html
<!-- Move inline CSS to external stylesheets -->
<link rel="stylesheet" href="/css/main.css">

<!-- Move inline scripts to external files with defer -->
<script src="/js/app.js" defer></script>

<!-- Remove duplicate navigation blocks -->
<!-- Keep only ONE <nav> in the <header> -->

<!-- Ensure <main> wraps your primary content -->
<main>
  <!-- Your content here — this is what AI sees first -->
</main>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for stack.storage:

Current Score
88
Projected Score
97
Improvement
+9 pts
Add WebSite schema +4 pts
Reduce token bloat +5 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