pdfresizer.com 76 B
🛡️ SEO 58 🤖 GEO 80 ⚡ Perf 80 🏗️ Arch 93

pdfresizer.com — Global SEODiff Score 76/100

pdfresizer.com
📊

With a solid 76/100 ACRI, pdfresizer.com is well-positioned for AI search — better than 83% of sites in the Radar. Compared to other infrastructure sites (avg score: 57), pdfresizer.com 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. With a 3.1× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. Only 1 schema block is present — adding Organization, WebSite, and Breadcrumb schemas would significantly improve structured data coverage. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

76
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 15, 2026 · 📋 API
📈 ACRI Trend 4 snapshots
Feb 23 Mar 15
🔔 Recent AI Indexing Activity
📈 Mar 6 ACRI +2 (54→56)
Does your site score higher than pdfresizer.com?
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)58 × 0.25 = 14.5
🤖 AI Readiness / GEO (40% weight)80 × 0.40 = 32.0
⚡ Performance (20% weight)80 × 0.20 = 16.0
🏗️ Architecture & Trust (15% weight)93 × 0.15 = 13.9
Weighted sum = 14.5 + 32.0 + 16.0 + 13.9
Global SEODiff Score = 76 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
39
Structure
avg 35
42
Schema
avg 9
75
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 5%
Rank #51827
+12 pts
Gap
AI (ACRI)
Top 17%
Score 76/100

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

Why pdfresizer.com ranks here

Tech stackCloudflare Pages
RenderingSSR
Schema coverage1 blocks
Token bloat3.1×

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

58/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

64 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

122 chars
Good length

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

🌐 Social / OpenGraph

  • ✓ og:title — PDF tools - resize, crop, merge, split, convert PDF files online
  • ✓ og:description — PDF Resizer offers free online tools to resize, crop, rotate, split, merge, optimize, and convert PDFs quickly and easily.
  • ✓ 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

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.

🔗

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 →
pdfresizer.com
56
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 39/100 — Low
Structured Elements 35 elements (35 lists, 0 rows, 0 headers)
Total Words786
Raw Density4.4%
💡Low structure score (39/100). Your content appears as a wall of text with few structured HTML elements. You have 35 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 ✅ 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

67
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability67/100 — AI models can partially extract answers from this page
Crawl CostLow (10/100) — efficient for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

32%
🗑️ 68%
Useful Content (5.0 KB)Bloat (10.4 KB)
Token Bloat Ratio3.1× — Lean

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

🔥 Structural Entropy Check Research

48 Entropy
Fair Token Bloat: Medium
Noise Ratio: 67.6% · SNR: 0.48 · Signal: 1276 / Noise: 2660 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 pdfresizer.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
PDFResizer offers a suite of free online tools for PDF file manipulation.
Target Audience
Students, professionals, and PDF users
Pricing Model
Free to use with no registration or limits
🏆 Competitive Moat
Fast, reliable, and secure PDF processing with a user-friendly interface.
📊 Content Depth
3/10
Analyzed by SEODiff AI · 2026-03-03

🔧 Tech Stack

AI-Readiness Score75/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time518 ms
Raw HTML Size15.4 KB
Visible Text Size5.0 KB

Performance & Speed

80/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

518 ms
Acceptable — room for improvement

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

📦 Page Weight

239
DOM nodes
15 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=86400, public
  • ✓ 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

93/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://pdfresizer.com/sitemap.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

59
internal links
0
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 56/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for pdfresizer.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/pdfresizer.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=pdfresizer.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 55 pages · Deep-10

Homepage ACRI
56
Single-page score
-2
Consistent readability
Δ delta
Site-Wide ACRI
54
Avg across 55 pages · Range 0–82
Topical Cohesion
23%
Topical Drift
TF-IDF cosine similarity
Total Words
12308
Avg Bloat
8.2×
Page Type ACRI Token Bloat Words Status
https://pdfresizer.com/resize
Resize PDF Online Free - Change PDF Size & Resolution
other 82 5.0× 619
https://pdfresizer.com/about
About pdfresizer.com
about 75 8.3× 250
https://pdfresizer.com/archive/3
PDF resizer - site news and updates archive
other 75 5.8× 384
https://pdfresizer.com/black-and-white
Convert PDF to Black and White (Grayscale) Online Free
other 75 6.9× 374
https://pdfresizer.com/archive/2
PDF resizer - site news and updates archive
other 75 6.4× 354
https://pdfresizer.com/docx-to-pdf
Convert DOCX to PDF
docs 72 9.6× 248
https://pdfresizer.com/optimize
Compress PDF Online Free - Reduce PDF File Size
other 72 5.9× 489
https://pdfresizer.com/delete-pages
Delete Pages from PDF Online Free - Remove PDF Pages
other 72 8.2× 295
https://pdfresizer.com/pdf-to-xlsx
Convert PDF to Excel
other 72 9.8× 243
https://pdfresizer.com/add-page-numbers
Add page numbers to PDF
other 72 7.8× 317
https://pdfresizer.com/remove-password
Remove Password from PDF Online Free - Unlock PDF
other 72 8.2× 306
https://pdfresizer.com/multipage
PDF N-up tool - multiple pages per sheet
other 72 6.9× 358
https://pdfresizer.com/azw3-to-epub
Convert AZW3 to ePub - pdfresizer.com
other 72 9.8× 241
https://pdfresizer.com/merge
Merge PDF Files Online for Free - Combine Multiple PDFs
other 72 6.4× 447
https://pdfresizer.com/rotate
Rotate PDF Online Free - Flip PDF Pages
other 72 6.8× 397
https://pdfresizer.com/repair
Repair PDF Online Free - Fix Corrupted PDF Files
other 72 7.5× 317
https://pdfresizer.com/reorder-pages
Reorder PDF Pages Online Free - Rearrange PDF
ecommerce 72 8.3× 291
https://pdfresizer.com/split
Split PDF Online Free - Extract Pages from PDF
other 72 7.3× 369
https://pdfresizer.com/pdf-to-jpg
PDF to JPG free online converter
other 72 9.7× 239
https://pdfresizer.com/password-protect
Password Protect PDF Online Free - Encrypt PDF Files
other 72 8.2× 300
Showing 20 of 55 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
/archive/ 2 75 0% 6.1× High JS Bloat
/mobi-to-epub/ 1 62 0% 10.8× High JS Bloat
/cbr-to-pdf/ 1 62 0% 10.1× High JS Bloat
/convert/ 1 52 0% 15.6× High JS Bloat
/png-to-pdf/ 1 52 0% 12.2× High JS Bloat
/resize/ 1 82 0% 5.0× High JS Bloat
/delete-pages/ 1 72 0% 8.2× High JS Bloat
/remove-password/ 1 72 0% 8.2× High JS Bloat
/repair/ 1 72 0% 7.5× High JS Bloat
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/azw3-to-epub/ 1 72 0% 9.8× High JS Bloat
/epub-to-pdf/ 1 62 0% 10.3× High JS Bloat
/blog/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
🔄 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/pdfresizer.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 pdfresizer.com. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
pdfresizer.com (this site) 56 76 Cloudflare Pages 3.1× 1
manhuaplus.top 81 87 Cloudflare Pages 1.8× 1 Compare →
tellter.com 81 90 WordPress 4.6× 1 Compare →
nordicwelfare.org 81 90 WordPress 4.8× 1 Compare →
platinumshop.hu 81 87 Express 2.8× 2 Compare →
drifthq.com 81 88 Next.js 3.8× 2 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite pdfresizer.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 pdfresizer.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": "Pdfresizer",
  "url": "https://pdfresizer.com",
  "logo": "https://pdfresizer.com/favicon-96x96.png",
  "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": "Pdfresizer",
  "url": "https://pdfresizer.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://pdfresizer.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 Pdfresizer?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Pdfresizer does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Pdfresizer work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Pdfresizer."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
76
Projected Score
89
Improvement
+13 pts
Add Organization schema +6 pts
Add WebSite schema +4 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?
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