luminpdf.com 62 C
🛡️ SEO 50 🤖 GEO 63 ⚡ Perf 59 🏗️ Arch 86

luminpdf.com — Global SEODiff Score 62/100

luminpdf.com
📊

luminpdf.com achieves a 75/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Compared to other infrastructure sites (avg score: 57), luminpdf.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. Heavy markup overhead (46.7× bloat) forces AI systems to wade through excess code before finding useful information. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

62
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (50) is your bottleneck.
🎯 Top Fix: Reduce token bloat (47×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 20, 2026 · 📋 API
📈 ACRI Trend 6 snapshots
Feb 23 Mar 20
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than luminpdf.com?
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)50 × 0.25 = 12.5
🤖 AI Readiness / GEO (40% weight)63 × 0.40 = 25.2
⚡ Performance (20% weight)59 × 0.20 = 11.8
🏗️ Architecture & Trust (15% weight)86 × 0.15 = 12.9
Weighted sum = 12.5 + 25.2 + 11.8 + 12.9
Global SEODiff Score = 62 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
65
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 5%
Rank #54079
+14 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

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

Why luminpdf.com ranks here

Tech stackNext.js
RenderingSSR
Schema coverage0 blocks
Token bloat46.7×

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

50/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

59 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

157 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 5
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✗ Canonical tag present
  • ✓ 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 — Lumin | Intelligent Document Workflow Management
  • ✓ og:description — Automate agreements from draft to signature through one secure platform.
  • ✗ og:image
  • ✓ 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

63/100 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 →
luminpdf.com
52
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 5%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 65/100 — Good
Structured Elements 91 elements (91 lists, 0 rows, 0 headers)
Total Words726
Raw Density12.5%

🏷️ 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

46
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability46/100 — AI models can partially extract answers from this page
Crawl CostHigh (75/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

2%
🗑️ 98%
Useful Content (4.9 KB)Bloat (224.8 KB)
Token Bloat Ratio46.7× — Bloated

Multimodal Readiness

Visual Context98% Optimized for Vision
Image Alt Coverage117 / 119 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 229.7 KB, but only 4.9 KB is text. 2% useful / 98% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (46.7×) 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: 97.9% · SNR: 0.02 · Signal: 1259 / Noise: 57541 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 luminpdf.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
Lumin streamlines PDF workflows by enabling editing, sending, and signing documents quickly.
Target Audience
Legal professionals, sales teams, operations managers, and anyone managing document workflows.
Pricing Model
⚠ SEMANTIC VOID
🔗 Integration Partners
Google
🏆 Competitive Moat
Fast PDF editing and signing capabilities combined with a full-loop workflow solution.
📊 Content Depth
5/10
🔄 Programmatic SEO Signals
Templates
Analyzed by SEODiff AI · 2026-03-03

🔧 Tech Stack

FrameworkNext.js
AI-Readiness Score70/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time525 ms
Raw HTML Size229.7 KB
Visible Text Size4.9 KB

Performance & Speed

59/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

525 ms
Acceptable — room for improvement

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

📦 Page Weight

1103
DOM nodes
230 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=300, s-maxage=31536000
  • ✓ CDN cache status → HIT
  • ✓ CDN detected → cloudflare

🔬 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

86/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

139
internal links
5
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 52/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for luminpdf.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/luminpdf.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=luminpdf.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 169 pages · Deep-10

Homepage ACRI
52
Single-page score
+3
Consistent readability
Δ delta
Site-Wide ACRI
55
Avg across 169 pages · Range 0–64
Topical Cohesion
7%
Topical Drift
TF-IDF cosine similarity
Total Words
161232
Avg Bloat
64.8×
RAG Fractures [?]
155
⚠️
155 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 155 pages will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://www.luminpdf.com/pricing/luminsign/v2/
LuminPDF
pricing 64 63.7× 689 ⚠️ RAG Fracture
https://www.luminpdf.com/pricing/lumin/
Lumin Workspace Plans & Pricing | Lumin
pricing 64 48.6× 1168 ⚠️ RAG Fracture
https://www.luminpdf.com/pricing/luminsign/
Lumin Sign Plans & Pricing
pricing 64 64.1× 694 ⚠️ RAG Fracture
https://www.luminpdf.com/pricing/lumin/v2/
LuminPDF
pricing 64 46.9× 1230 ⚠️ RAG Fracture
https://www.luminpdf.com/pricing/luminsign/v3/
LuminPDF
pricing 64 63.7× 689 ⚠️ RAG Fracture
https://www.luminpdf.com/pricing/lumin/v3/
LuminPDF
pricing 64 48.3× 1172 ⚠️ RAG Fracture
https://luminpdf.com/pricing
Lumin Workspace Plans & Pricing | Lumin
pricing 64 48.6× 1168 ⚠️ RAG Fracture
https://www.luminpdf.com/es/blog/
Blog | Lumin | LuminPDF
pricing 64 50.9× 1015 ⚠️ RAG Fracture
https://www.luminpdf.com/blog/
Blog | Lumin | LuminPDF
pricing 64 56.5× 900 ⚠️ RAG Fracture
https://www.luminpdf.com/pt/blog/
Blog | Lumin | LuminPDF
pricing 64 49.3× 1050 ⚠️ RAG Fracture
https://www.luminpdf.com/fr/blog/
Blog | Lumin | LuminPDF
pricing 64 50.7× 1020 ⚠️ RAG Fracture
https://www.luminpdf.com/guide/get-started/lumin-plans/
Lumin plans | Lumin PDF Editor | LuminPDF
pricing 64 66.3× 658 ⚠️ RAG Fracture
https://www.luminpdf.com/vi/blog/cach-chuyen-jpg-sang-excel/
Cách chuyển JPG thành Excel chỉ với 2 bước đơn giản | Lumin | Lumin | LuminPDF
pricing 61 54.7× 1146 ⚠️ RAG Fracture
https://www.luminpdf.com/pt/blog/como-virar-uma-pagina-pdf/
Como Virar uma Página de PDF: Gire Páginas em Segundos | Lumin | Lumin | LuminPDF
pricing 61 64.3× 1028 ⚠️ RAG Fracture
https://www.luminpdf.com/fr/blog/quest-ce-que-le-formulaire-fiscal-w-2/
Qu'est-ce qu'un formulaire W-2 ? Guide pour les employés américains | Lumin | Lumin | LuminPDF
pricing 61 49.8× 1340 ⚠️ RAG Fracture
https://www.luminpdf.com/blog/how-to-flip-a-pdf-page/
How to Flip a PDF Page: Rotate Pages in Seconds | Lumin | Lumin | LuminPDF
pricing 61 70.5× 911 ⚠️ RAG Fracture
https://www.luminpdf.com/blog/copy-text-from-pdf/
How to Copy Text From a PDF | Lumin | Lumin | LuminPDF
pricing 61 76.1× 829 ⚠️ RAG Fracture
https://www.luminpdf.com/blog/how-to-fill-w9/
How to Fill Out a W-9 Form | Lumin | Lumin | LuminPDF
pricing 61 55.3× 1172 ⚠️ RAG Fracture
https://www.luminpdf.com/blog/how-to-fill-out-a-w-7-form/
How to Fill Out a W-7 Online – Free and Easy | Lumin | Lumin | LuminPDF
pricing 61 51.2× 1272 ⚠️ RAG Fracture
https://www.luminpdf.com/fr/blog/copier-du-texte-depuis-un-pdf/
Comment copier du texte depuis un PDF | Lumin | Lumin | LuminPDF
pricing 61 66.9× 970 ⚠️ RAG Fracture
Showing 20 of 100 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/ 34 61 1% 70.5× Bot Blocked
/vi/ 26 61 1% 49.6× Bot Blocked
/pt/ 26 61 1% 60.5× Bot Blocked
/es/ 25 61 1% 60.6× Bot Blocked
/fr/ 21 61 1% 55.5× Bot Blocked
/guide/ 15 53 0% 161.2× High JS Bloat
/pricing/ 7 64 0% 54.8× High JS Bloat
/help/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
/trust/ 1 0 0% 0.0× Low AI Readiness
/guides/ 1 0 0% 0.0× Low AI Readiness
/solutions/ 1 51 1% 216.3× Bot Blocked
/get-started/ 1 0 0% 0.0× Low AI Readiness
/careers/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 169 pages
status.luminpdf.com ×155
linkedin.com ×155
account.luminpdf.com ×155
tiktok.com ×155
instagram.com ×155
facebook.com ×155
youtube.com ×155
twitter.com ×128
🔄 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/luminpdf.com

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
luminpdf.com (this site) 52 75 Next.js 46.7× 0
osewaya.jp 77 88 Next.js 5.9× 2 Compare →
sylvane.com 77 88 Next.js 6.7× 2 Compare →
justcalendars.com.au 77 86 Next.js 8.6× 4 Compare →
stil-ambiente.de 77 84 Next.js 5.6× 5 Compare →
bikeathletic.com 77 97 Next.js 21.0× 21 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite luminpdf.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 luminpdf.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": "Luminpdf",
  "url": "https://luminpdf.com",
  "logo": "https://luminpdf.com/favicon/favicon.png?v=0.1",
  "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": "Luminpdf",
  "url": "https://luminpdf.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://luminpdf.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 2% 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>
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 Luminpdf?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Luminpdf does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Luminpdf work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Luminpdf."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
75
Projected Score
93
Improvement
+18 pts
Add Organization schema +6 pts
Add WebSite schema +4 pts
Reduce token bloat +5 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.
Free Deep Audit → GSC Error Guide →