virtualsheetmusic.com 73 B
🛡️ SEO 47 🤖 GEO 88 ⚡ Perf 58 🏗️ Arch 93

virtualsheetmusic.com — Global SEODiff Score 73/100

virtualsheetmusic.com
📊

virtualsheetmusic.com shows strong AI visibility with an ACRI of 80/100, outperforming 94% of indexed domains. Within the infrastructure vertical, this places virtualsheetmusic.com above the industry average of 58 —, 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. Token bloat registers at 6.2× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. 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.

73
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (47) is your bottleneck.
🎯 Top Fix: Monitor weekly to catch regressions early
🔬 Automated SEODiff Assessment · Snapshot: Feb 28, 2026 · 📋 API
📈 ACRI Trend 4 snapshots
Feb 23 Feb 28
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)47 × 0.25 = 11.8
🤖 AI Readiness / GEO (40% weight)88 × 0.40 = 35.2
⚡ Performance (20% weight)58 × 0.20 = 11.6
🏗️ Architecture & Trust (15% weight)93 × 0.15 = 13.9
Weighted sum = 11.8 + 35.2 + 11.6 + 13.9
Global SEODiff Score = 73 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
98
Structure
avg 36
2
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 9%
Rank #86304
Aligned
Gap
AI (ACRI)
Top 6%
Score 80/100

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

Why virtualsheetmusic.com ranks here

Tech stackCustom / Proprietary
RenderingSSR
Schema coverage1 blocks
Token bloat6.2×

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

47/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

66 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

191 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 8
  • ✓ Has <h2> headings — found 8
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.virtualsheetmusic.com/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en
  • ✗ Hreflang tags
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — Virtual Sheet Music® | Classical Sheet Music Downloads® and more
  • ✗ og:description
  • ✓ 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

88/100 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 →
virtualsheetmusic.com
75
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 98/100 — Excellent
Structured Elements 354 elements (336 lists, 15 rows, 3 headers)
Total Words1234
Raw Density28.7%

🏷️ 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

71
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability71/100 — AI models can easily 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

16%
🗑️ 84%
Useful Content (18.7 KB)Bloat (98.0 KB)
Token Bloat Ratio6.2× — Normal

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage64 / 64 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: 84.0% · SNR: 0.19 · Signal: 4792 / Noise: 25095 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/Qwen2.5-7B-Instruct-4bit) analyzed the extracted content of virtualsheetmusic.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
Download high-quality sheet music, MIDI and MP3 files
Target Audience
Musicians and music enthusiasts
Pricing Model
Membership and exclusive features
Model: mlx-community/Qwen2.5-7B-Instruct-4bit · Analyzed: 2026-02-26 · Data extracted from the site’s main content via strict JSON prompting.

🔧 Tech Stack

AI-Readiness Score50/100
ServerApache
CDN
HTTP Status200
Load Time649 ms
Raw HTML Size116.7 KB
Visible Text Size18.7 KB

Performance & Speed

58/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

649 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1545
DOM nodes
117 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → no-store, no-cache, must-revalidate
  • ✗ 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

93/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.virtualsheetmusic.com/sitemap_index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

305
internal links
14
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 75/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for virtualsheetmusic.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/virtualsheetmusic.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=virtualsheetmusic.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 1002 pages · Deep-10

Homepage ACRI
75
Single-page score
+2
Consistent readability
Δ delta
Site-Wide ACRI
78
Avg across 1002 pages · Range 67–90
Topical Cohesion
7%
Topical Drift
TF-IDF cosine similarity
Total Words
2008288
Avg Bloat
16.1×
RAG Fractures [?]
1002
⚠️
1002 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 1002 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.virtualsheetmusic.com/score/WeddingWQuartet.html
Wedding Sheet Music for wind quartet (1) (PDF-interactive)
pricing 90 9.9× 3779 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/WeddingWQuintetALL.html
Wedding Sheet Music for wind quintet (PDF-interactive)
pricing 90 8.5× 4695 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/WeddingSQuartetALL.html
Wedding Sheet Music for string quartet (PDF-interactive)
pricing 90 9.7× 4149 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/HalloweenBQuartetALL.html
Halloween Sheet Music for brass quartet (PDF-interactive)
pricing 90 8.8× 4467 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/HalloweenSaxQuartetALL.html
Halloween Sheet Music for saxophone quartet (PDF-interactive)
pricing 90 8.9× 4424 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/EasterStringsALL.html
Easter Collection - Easter Hymns and Tunes sheet music for string quartet
pricing 90 8.9× 4455 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/PatrioticBrassQuartetALL.html
Patriotic Sheet Music and Songs for brass quartet, USA Tunes and Songs
pricing 90 8.0× 5221 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/ChristmasFlGu.html
Easy+ Flute and Guitar Duets Sheet Music Songs (PDF)
pricing 90 8.4× 4527 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/Duets38TwoVcALL.html
Little Duets Op.38, COMPLETE sheet music for two cellos (PDF)
pricing 90 9.4× 4154 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/ChristmasVariationsWQALL.html
Advanced Christmas Wind Quartet Sheet Music Carols (PDF)
pricing 90 7.9× 5203 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/Christmas2VlaPfALL.html
Easy Christmas Duets for Two Violas and Piano, Sheet Music (PDF)
pricing 90 8.2× 5796 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/PatrickCollectionBQALL.html
Saint Patrick's Day Collection, Irish Tunes and Songs sheet music for brass quintet
pricing 90 8.1× 4984 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/PatrioticBrassQuintetALL.html
Patriotic Sheet Music and Songs for brass quintet, USA Tunes and Songs
pricing 90 7.1× 6132 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/ThanksgivingSQuartetALL.html
Thanksgiving Collection sheet music for string quartet (PDF)
pricing 90 9.0× 4320 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/HanukkahWQuartetALL.html
Hanukkah Wind Quartet Sheet Music, Jewish Chanukah Songs (PDF)
pricing 90 8.4× 4816 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/PatrickCollectionBrassALL.html
Saint Patrick's Day Collection, Irish Tunes and Songs sheet music for brass quartet
pricing 90 8.9× 4294 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/ChristmasWindQ.html
Easy+ Christmas Wind Quintet Sheet Music Carols (PDF)
pricing 90 6.3× 7026 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/ValentineSaxQuartetALL.html
Valentine Sheet Music for saxophone quartet (PDF-interactive)
pricing 90 9.2× 4264 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/Duets38VlaALL.html
Little Duets Op.38, 12 - COMPLETE sheet music for two violas
pricing 90 8.8× 4701 ⚠️ RAG Fracture
https://www.virtualsheetmusic.com/score/ThanksgivingWTrioALL.html
Thanksgiving Collection sheet music for wind trio (PDF)
pricing 90 9.8× 3732 ⚠️ 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
/score/ 465 79 0% 15.2× High JS Bloat
/video/ 33 79 0% 13.0× High JS Bloat
/blog/ 1 85 0% 9.1× High JS Bloat
/experts/ 1 80 0% 10.4× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 1002 pages
facebook.com ×1002
amazon.com ×1002
affiliates.virtualsheetmusic.com ×1002
youtube.com ×1002
instagram.com ×1002
x.com ×1002
play.google.com ×1002
pinterest.com ×1002
🔄 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/virtualsheetmusic.com

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 virtualsheetmusic.com. Compare side-by-side.

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🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to virtualsheetmusic.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": "Virtualsheetmusic",
  "url": "https://virtualsheetmusic.com",
  "logo": "https://virtualsheetmusic.com/favicon.ico",
  "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 Virtualsheetmusic?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Virtualsheetmusic does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Virtualsheetmusic work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Virtualsheetmusic."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
80
Projected Score
92
Improvement
+12 pts
Add Organization schema +6 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