labcorp.com 72 B
🛡️ SEO 51 🤖 GEO 85 ⚡ Perf 52 🏗️ Arch 97

labcorp.com — Global SEODiff Score 72/100

labcorp.com
📊

labcorp.com achieves a 82/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Compared to other healthcare sites (avg score: 57), labcorp.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. A tight 3.6× token bloat ratio reflects disciplined markup: minimal noise between the crawler and the content it needs. Only 1 schema block is present — adding Organization, WebSite, and Breadcrumb schemas would significantly improve structured data coverage. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

72
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (51) is your bottleneck.
🎯 Top Fix: Monitor weekly to catch regressions early
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 30 snapshots
Feb 21 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 11 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)51 × 0.25 = 12.8
🤖 AI Readiness / GEO (40% weight)85 × 0.40 = 34.0
⚡ Performance (20% weight)52 × 0.20 = 10.4
🏗️ Architecture & Trust (15% weight)97 × 0.15 = 14.5
Weighted sum = 12.8 + 34.0 + 10.4 + 14.5
Global SEODiff Score = 72 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
97
Rendering
avg 93
73
Structure
avg 35
42
Schema
avg 9
65
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 1%
Rank #13584
Aligned
Gap
AI (ACRI)
Top 4%
Score 82/100

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

Why labcorp.com ranks here

Tech stackAdobe Experience Manager
Industryhealthcare
RenderingHybrid
Schema coverage1 blocks
Token bloat3.6×

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

51/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

65 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

129 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 46
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.labcorp.com
  • ✓ 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 — Lab Diagnostics, Drug Development, Global Life Sciences
  • ✓ og:description — Labcorp helps patients, providers, organizations, and biopharma companies to guide vital healthcare decisions each and every day.
  • ✓ 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

85/100 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 healthcare sector, adwordsguide.com (ACRI: 86) 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 →
labcorp.com
68
Your ACRI Score
86
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. adwordsguide.com has schema coverage of 4 blocks and uses Custom / Proprietary. 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 73/100 — Good
Structured Elements 186 elements (186 lists, 0 rows, 0 headers)
Total Words1175
Raw Density15.8%

🏷️ Schema Health Docs

Organization Schema ✅ Present
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
💡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

77
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability77/100 — 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

27%
🗑️ 73%
Useful Content (53.0 KB)Bloat (136.3 KB)
Token Bloat Ratio3.6× — Lean

Multimodal Readiness

Visual Context86% Optimized for Vision
Image Alt Coverage18 / 21 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

35 Entropy
Poor Token Bloat: High
Noise Ratio: 72.0% · SNR: 0.39 · Signal: 13579 / Noise: 34897 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 labcorp.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
Labcorp provides diagnostic testing and drug development services to support healthcare and pharmaceutical industries, enabling advancements in patient care and clinical trials.
Target Audience
Pharmaceutical companies, healthcare providers, clinical research organizations, diagnostic laboratories
Pricing Model
Custom pricing based on services and volume; not publicly available.
🏆 Competitive Moat
Extensive experience in diagnostics and drug development, global reach, and a comprehensive service offering.
📊 Content Depth
6/10
⚡ Key Pain Points
• Lack of transparency in pricing
• Complex regulatory landscape
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

AI-Readiness Score65/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time616 ms
Raw HTML Size189.4 KB
Visible Text Size53.0 KB

Performance & Speed

52/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

616 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1809
DOM nodes
189 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=3600
  • ✓ CDN cache status → DYNAMIC
  • ✓ 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

97/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.labcorp.com/sitemap-index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

269
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 68/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for labcorp.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/labcorp.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=labcorp.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 143 pages · Deep-10

Homepage ACRI
68
Single-page score
-8
Moderate hidden bloat
Δ delta
Site-Wide ACRI
60
Avg across 143 pages · Range 0–77
Topical Cohesion
19%
Topical Drift
TF-IDF cosine similarity
Total Words
128639
Avg Bloat
70.6×
Page Type ACRI Token Bloat Words Status
https://www.labcorp.com/education-events/articles/preclinical-oncology-renovation
Biopharma Partners | Labcorp Oncology
pricing 77 8.5× 3068 💰 Pricing
https://www.labcorp.com/careers-culture/blog/meet-me-in-5/cross-organizational-team-delivers-covid-19-study-record-time
A Cross-Organizational Team Delivers a COVID-19 Study in Record Time | Labcorp
blog 77 6.9× 1366
https://www.labcorp.com/careers-culture/blog/meetmein5
Meet me in 5 | Labcorp
pricing 77 9.9× 809 💰 Pricing
https://www.labcorp.com/education-events/articles/deeper-dive-tumor-infiltrating-t-cell-immunophenotype
Biopharma Partners | Labcorp Oncology
pricing 77 8.5× 3068 💰 Pricing
https://www.labcorp.com/education-events/articles/explore-tissue-heterogeneity-through-spatial-transcriptomic-profiling
Biopharma Partners | Labcorp Oncology
pricing 77 8.5× 3068 💰 Pricing
https://www.labcorp.com/careers-cluture/blog/meet-people-advancing-accelerated-covid-19-clinical-trial
Meet the People Advancing an Accelerated COVID-19 Clinical Trial | Labcorp
pricing 77 6.9× 1335 💰 Pricing
https://www.labcorp.com/education-events/articles/unlock-3-keys-drug-discovery-success-foresight-hindsight-and-insight
Unlock the 3 keys to drug discovery success -foresight, hindsight and insight | Labcorp
pricing 75 15.7× 1810 💰 Pricing
https://www.labcorp.com/education-events/articles/mat-white-paper
White Paper: Medication-assisted treatment (MAT) overview: Value of Labcorp's drug testing paradigm including value of norbuprenorphine to buprenorphine ratio (N/B) | Labcorp
pricing 75 13.4× 2124 💰 Pricing
https://www.labcorp.com/education-events/articles/cgt-role-of-flow-cytometry-in-adoptive-cell-therapies
Cell and Gene Therapy Answers: The critical role of flow cytometry in adoptive cell therapies | Labcorp
pricing 75 12.6× 2176 💰 Pricing
https://www.labcorp.com/education-events/articles/cell-and-gene-therapy-answers-top-considerations-ocular-cell-and-gene-therapies
Cell and Gene Therapy Answers: Top considerations for ocular cell and gene therapies | Labcorp
pricing 75 11.4× 2969 💰 Pricing
https://www.labcorp.com/education-events/articles/key-considerations-advancing-true-innovation-hospitals-and-health-systems
Key considerations for advancing true innovation at hospitals and health systems | Labcorp
pricing 75 17.5× 1569 💰 Pricing
https://www.labcorp.com/education-events/articles/ask-expert-what-you-need-know-about-working-genetic-counselor
Working with a genetic counselor: What you need to know | Labcorp
pricing 75 12.8× 2134 💰 Pricing
https://www.labcorp.com/education-events/articles/patient-story-hereditary-cancer-genetic-testing-brca-mutation
From family history to preventive action: How genetic testing empowered a mother-daughter journey with breast cancer risk | Labcorp
pricing 75 15.3× 2222 💰 Pricing
https://www.labcorp.com/education-events/articles/antibody-critical-reagents-challenges-and-risks-their-lifecycle-management
Antibody Critical Reagents: Challenges and Risks in Their Lifecycle Management | Labcorp
pricing 75 19.2× 1445 💰 Pricing
https://www.labcorp.com/education-events/articles/tsca-and-us-state-legislation-navigating-your-chemical-or-agrochemical-through-federal-and-state
TSCA and US state legislation: Navigating your chemical or agrochemical through the federal and state regulatory landscape in the USA | Labcorp
pricing 75 12.6× 2236 💰 Pricing
https://www.labcorp.com/education-events/articles/overcoming-challenges-processes-characterization-assessment-and-registration-your-uvcb-europe
Overcoming challenges in the processes of characterization, assessment, and registration of your UVCB in Europe | Labcorp
pricing 75 11.6× 2489 💰 Pricing
https://www.labcorp.com/education-events/articles/patient-story-preeclampsia-recurrence
When preeclampsia strikes twice: A mother’s harrowing experience with preeclampsia recurrence | Labcorp
pricing 75 10.6× 3434 💰 Pricing
https://www.labcorp.com/education-events/articles/patient-story-postpartum-preeclampsia
When preeclampsia doesn’t end after delivery: A mother’s experience with postpartum preeclampsia | Labcorp
pricing 75 13.9× 2517 💰 Pricing
https://www.labcorp.com/education-events/articles/atn-profile-and-beyond-alzheimers-disease
ATN Profile: For and beyond Alzheimer’s disease | Labcorp
pricing 75 18.0× 1488 💰 Pricing
https://www.labcorp.com/education-events/articles/ind-enabling-programs-adoptive-cell-therapies
IND-Enabling programs for adoptive cell therapies | Labcorp
pricing 72 19.8× 1602 💰 Pricing
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
/education-events/ 129 64 0% 77.5× High JS Bloat
/careers-culture/ 2 77 0% 8.4× High JS Bloat
/features/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/disciplines/ 1 59 0% 35.7× High JS Bloat
/about/ 1 72 0% 41.8× High JS Bloat
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/careers-cluture/ 1 77 0% 6.9× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 143 pages
threads.net ×134
ir.labcorp.com ×134
linkedin.com ×134
instagram.com ×134
connect.labcorp.com ×134
youtube.com ×134
twitter.com ×134
ondemand.labcorp.com ×134
🔄 Re-Crawl & Update 📡 Track this Domain

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🔌 API Access

Pull this data programmatically. All sub-page metrics are available via our public API.

curl https://seodiff.io/api/v1/deep10/domain/labcorp.com

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

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📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

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

Current Score
82
Projected Score
89
Improvement
+7 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
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