lacountylibrary.org 54 D
🛡️ SEO 27 🤖 GEO 69 ⚡ Perf 47 🏗️ Arch 69

lacountylibrary.org — Global SEODiff Score 54/100

lacountylibrary.org
📊

With a solid 72/100 ACRI, lacountylibrary.org is well-positioned for AI search — better than 73% of sites in the Radar. In the infrastructure sector, lacountylibrary.org outperforms the average (57), suggesting strong competitive positioning in AI search. The low ghost ratio (0%) confirms that what crawlers see matches what users see — a hallmark of strong SSR implementation. The 11.7× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. 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.

54
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Traditional SEO (27) has the most room for improvement.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 8 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 13 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)27 × 0.25 = 6.8
🤖 AI Readiness / GEO (40% weight)69 × 0.40 = 27.6
⚡ Performance (20% weight)47 × 0.20 = 9.4
🏗️ Architecture & Trust (15% weight)69 × 0.15 = 10.3
Weighted sum = 6.8 + 27.6 + 9.4 + 10.3
Global SEODiff Score = 54 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
43
Structure
avg 35
0
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 24%
Rank #239738
Aligned
Gap
AI (ACRI)
Top 27%
Score 72/100

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

Why lacountylibrary.org ranks here

Tech stackWordPress
RenderingSSR
Schema coverage0 blocks
Token bloat11.7×

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

27/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

17 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

0 chars
Missing

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 4
  • ✓ Has <h2> headings — found 14
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://lacountylibrary.org/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en-US
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — LA County Library
  • ✓ og:description — LA County Library belongs to our communities and serves as a portal to learn, grow, and succeed. Find a location near you.
  • ✓ og:image — preview
  • ✓ twitter:card — summary
📐 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

69/100 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 →
lacountylibrary.org
51
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 0%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 43/100 — Fair
Structured Elements 110 elements (110 lists, 0 rows, 0 headers)
Total Words1949
Raw Density5.6%

🏷️ 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
Medium
Crawl Cost
None
Blocklist Risk
Extractability46/100 — AI models can partially extract answers from this page
Crawl CostMedium (50/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

8%
🗑️ 92%
Useful Content (23.0 KB)Bloat (247.0 KB)
Token Bloat Ratio11.7× — Normal

Multimodal Readiness

Visual Context97% Optimized for Vision
Image Alt Coverage34 / 35 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: 91.5% · SNR: 0.09 · Signal: 5890 / Noise: 63222 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 lacountylibrary.org 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
LA County Library provides community-responsive collections, programs, and services to meet the literacy, information, personal enrichment, and entertainment needs of
Target Audience
Residents of Los Angeles County, families, students, researchers, and individuals seeking information and enrichment.
Pricing Model
Free access to library services and resources with a valid library card. Some services, such as Kindle Paperwhite rentals and laptop checkout, may have associated fees.
🔗 Integration Partners
MicrosoftCatalina PhotoShare
🏆 Competitive Moat
Extensive physical and digital resources, community engagement programs, and a strong local presence create a significant barrier to entry for competitors.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Integration directory pages (Kindle Paperwhite kiosks)Template comparison pages (Family Place Library)Collection highlights (Californiana Collection)
⚡ Key Pain Points
• Thin landing pages for features (e.g., Kindle Paperwhite)
• Lack of structured FAQ schema
Analyzed by SEODiff AI · 2026-03-11

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servernginx
CDN
HTTP Status200
Load Time1064 ms
Raw HTML Size270.0 KB
Visible Text Size23.0 KB

Performance & Speed

47/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1064 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1400
DOM nodes
270 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=600, must-revalidate
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

1
tracker scripts
1
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
googletagmanager.com
📐 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

69/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

157
internal links
28
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-US
  • ✓ 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 51/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for lacountylibrary.org
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/lacountylibrary.org" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=lacountylibrary.org" 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 9 pages · Deep-10

Homepage ACRI
51
Single-page score
-30
Severe hidden bloat
Δ delta
Site-Wide ACRI
21
Avg across 9 pages · Range 0–72
🔍
Hidden Bloat Detected

Homepage scores 51, but internal pages average only 21 — a -30-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
1%
Topical Drift
TF-IDF cosine similarity
Total Words
7194
Avg Bloat
8.0×
Page Type ACRI Token Bloat Words Status
https://lacountylibrary.org/blog
News & Announcements – LA County Library
pricing 72 24.7× 3707 💰 Pricing
https://lacountylibrary.org/about
About Us | LA County Library
pricing 59 24.5× 1637 💰 Pricing
https://lacountylibrary.org/faq
Frequently Asked Questions – LA County Library
pricing 59 23.2× 1850 💰 Pricing
https://lacountylibrary.org/pricing pricing 0 0.0× 0
https://lacountylibrary.org/features product 0 0.0× 0
https://lacountylibrary.org/products product 0 0.0× 0
https://lacountylibrary.org/docs docs 0 0.0× 0
https://lacountylibrary.org/case-studies social-proof 0 0.0× 0
https://lacountylibrary.org/integrations integrations 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
/about/ 1 59 0% 24.5× High JS Bloat
/faq/ 1 59 0% 23.2× High JS Bloat
/products/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 72 0% 24.7× High JS Bloat
/docs/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 9 pages
instagram.com ×3
catalog.lacountylibrary.org ×3
211la.org ×3
ready.lacounty.gov ×3
youtube.com ×3
twitter.com ×3
lacounty.gov ×3
lacountylibrary.overdrive.com ×3
🔄 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/lacountylibrary.org

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 lacountylibrary.org. Compare side-by-side.

Domain ACRI AI Score Tech Stack Token Bloat Schema
lacountylibrary.org (this site) 51 72 WordPress 11.7× 0
autocontrol.es 76 89 WordPress 10.2× 1 Compare →
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casinoterbaru.co.uk 76 94 WordPress 6.7× 3 Compare →
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📊 Semantic Share of Voice

How often would an AI cite lacountylibrary.org 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 lacountylibrary.org. 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": "Lacountylibrary",
  "url": "https://lacountylibrary.org",
  "logo": "https://lacountylibrary.org/wp-content/uploads/2018/02/cropped-favicon-32x32.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": "Lacountylibrary",
  "url": "https://lacountylibrary.org",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://lacountylibrary.org/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 8% 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 Lacountylibrary?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Lacountylibrary does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Lacountylibrary work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Lacountylibrary."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for lacountylibrary.org:

Current Score
72
Projected Score
90
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
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