healthline.com 39 F
🛡️ SEO 50 🤖 GEO 47 ⚡ Perf 59 🏗️ Arch 82

healthline.com — Global SEODiff Score 39/100

healthline.com
📊

healthline.com struggles with AI visibility, recording a critical ACRI of 15/100 — AI crawlers face significant hurdles extracting its content. In the healthcare sector, healthline.com underperforms relative to the average (57), indicating room for competitive improvement. Content is delivered server-side, meaning bots and AI agents can parse the full page without executing JavaScript. Heavy markup overhead (40.1× bloat) forces AI systems to wade through excess code before finding useful information. Only 1 schema block is present — adding Organization, WebSite, and Breadcrumb schemas would significantly improve structured data coverage. With limited AI bot access, the domain has reduced visibility across the ecosystem of AI-driven discovery tools.

39
F — Global SEODiff Score
Comprehensive search visibility assessment
Significant improvement opportunities. Start with AI Readiness (47).
🎯 Top Fix: Allow GPTBot + ClaudeBot in robots.txt → lift the score cap
⚠️ Crawl Blocked: Fetch failed (network timeout / connection error)
🔬 Automated SEODiff Assessment · Snapshot: Mar 15, 2026 · 📋 API
📈 ACRI Trend 5 snapshots
Mar 11 Mar 15
🔔 Recent AI Indexing Activity
📉 Mar 15 ACRI -1 (48→47)
📈 Mar 14 ACRI +1 (47→48)
🔄 Mar 14 Content change detected
📉 Mar 13 ACRI -1 (48→47)
📈 Mar 13 ACRI +1 (47→48)
Does your site score higher than healthline.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)47 × 0.40 = 18.8
⚡ Performance (20% weight)59 × 0.20 = 11.8
🏗️ Architecture & Trust (15% weight)82 × 0.15 = 12.3
Weighted sum = 12.5 + 18.8 + 11.8 + 12.3
⚠️ Fatal multiplier: All major AI bots blocked → ×0.5
Global SEODiff Score = 39 (F)
🚫
Gatekeeper Rule: Score cannot exceed 15. Both GPTBot and ClaudeBot are blocked in robots.txt. No major AI assistant can cite this site. Allow at least one major AI crawler to lift the cap. See Bot Access →
📊 ACRI Sub-Scores (AI Readiness Detail)
40
Bot Access
avg 92
99
Rendering
avg 93
60
Structure
avg 35
2
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 0.1%
Rank #855
+67 pts
Gap
AI (ACRI)
Top 67%
Score 15/100

healthline.com punches above its weight in AI — AI visibility exceeds Google ranking. This is a competitive moat worth protecting. ACRI measures technical crawler readiness. Read the methodology →

Why healthline.com ranks here

Tech stackNext.js
Industryhealthcare
RenderingSSR
Schema coverage1 blocks
Token bloat40.1×

Fastest improvements

  • Allow GPTBot in robots.txt so AI crawlers can access your pages (see Crawl Access).
  • Allow ClaudeBot (many assistants rely on it) — blocking it often correlates with “AI invisibility.”
  • 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…

⚠️ Crawl Failed: Anti-Bot Protection Detected

Fetch failed (network timeout / connection error)

The scores below may not reflect actual site quality. The crawler received a challenge page instead of real content.

🛡️

Traditional SEO

50/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

64 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

104 chars
Too short

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://www.healthline.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 — Healthline: Medical information and health advice you can trust.
  • ✓ og:description — We're committed to being your source for expert health guidance. Come to us in your pursuit of wellness.
  • ✓ 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

47/100 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 →
healthline.com
26
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)
Blocked
ClaudeBot (Anthropic)
Blocked
CCBot (Common Crawl)
Blocked
Google-Extended
Allowed
Googlebot
Allowed
💡GPTBot is blocked. To appear in ChatGPT citations, add Allow: / under User-agent: GPTBot in your robots.txt.
💡ClaudeBot is blocked. To be cited by Claude, allow ClaudeBot in robots.txt.

👻 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 60/100 — Good
Structured Elements 114 elements (114 lists, 0 rows, 0 headers)
Total Words1066
Raw Density10.7%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 block(s) — Basic (low value for AI)

Schema Coverage Map

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
High
Blocklist Risk
Extractability46/100 — AI models can partially extract answers from this page
Crawl CostHigh (75/100) — expensive for AI crawlers to process
Blocklist RiskHigh — 3 of 5 AI crawlers blocked

Token Bloat Research

2%
🗑️ 98%
Useful Content (7.4 KB)Bloat (288.3 KB)
Token Bloat Ratio40.1× — Bloated

Multimodal Readiness

Visual Context36% Optimized for Vision
Image Alt Coverage21 / 59 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 295.7 KB, but only 7.4 KB is text. 2% useful / 98% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (40.1×) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.
💡Only 36% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 97.5% · SNR: 0.03 · Signal: 1888 / Noise: 73801 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 healthline.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
Provide medical information and health advice.
Target Audience
Patients, healthcare providers
Pricing Model
Free
🏆 Competitive Moat
Expert health guidance, trusted source.
📊 Content Depth
3/10
🔄 Programmatic SEO Signals
TrendingExplore by health topicFeatured programsLatest videos
⚡ Key Pain Points
• No explicit mention of pricing model
• Limited content depth
• No integration partners mentioned
• No compliance standards listed
Analyzed by SEODiff AI · 2026-02-27

🔧 Tech Stack

FrameworkNext.js
AI-Readiness Score70/100
Server
CDN
HTTP Status200
Load Time604 ms
Raw HTML Size295.7 KB
Visible Text Size7.4 KB

Performance & Speed

59/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

604 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1321
DOM nodes
296 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=300, must-revalidate, private
  • ✗ 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
doubleclick.net
📐 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

82/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

168
internal links
19
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 is currently blocking AI crawlers. Unblock them and rescan to earn your AI-Verified badge.

AI-Verified badge for healthline.com
Unverified — crawl access is blocked
<a href="https://seodiff.io/radar/domains/healthline.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=healthline.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 16 pages · Deep-10

Homepage ACRI
26
Single-page score
-21
Severe hidden bloat
Δ delta
Site-Wide ACRI
5
Avg across 16 pages · Range 0–10
🔍
Hidden Bloat Detected

Homepage scores 26, but internal pages average only 5 — a -21-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
24
Avg Bloat
3499.3×
Page Type ACRI Token Bloat Words Status
https://www.healthline.com/health/drugs/sogroya
Error Page
pricing 10 6998.4× 3 💰 Pricing
https://www.healthline.com/health/drugs/imcivree-cost
Error Page
pricing 10 6998.7× 3 💰 Pricing
https://www.healthline.com/health/drugs/uplizna
Error Page
pricing 10 6998.0× 3 💰 Pricing
https://www.healthline.com/health/drugs/imcivree
Error Page
pricing 10 6999.1× 3 💰 Pricing
https://www.healthline.com/health/drugs/spevigo-cost
Error Page
pricing 10 6998.4× 3 💰 Pricing
https://www.healthline.com/health/drugs/tarpeyo
Error Page
pricing 10 6998.0× 3 💰 Pricing
https://www.healthline.com/health/drugs/tarpeyo-cost
Error Page
pricing 10 6999.3× 3 💰 Pricing
https://www.healthline.com/health/drugs/uplizna-cost
Error Page
pricing 10 6998.6× 3 💰 Pricing
https://healthline.com/pricing pricing 0 0.0× 0
https://healthline.com/products product 0 0.0× 0
https://healthline.com/features product 0 0.0× 0
https://healthline.com/blog blog 0 0.0× 0
https://healthline.com/docs docs 0 0.0× 0
https://healthline.com/case-studies social-proof 0 0.0× 0
https://healthline.com/faq support 0 0.0× 0
https://healthline.com/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
/health/ 8 10 1% 6998.6× Bot Blocked
/features/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 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
/blog/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 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 16 pages
medicalnewstoday.com ×8
aacihealthcare.com ×8
rvohealth.com ×8
privacyportal.onetrust.com ×8
bezzy.com ×8
greatist.com ×8
healthlinemedia.com ×8
psychcentral.com ×8
🔄 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/healthline.com

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

🔗 Similar healthcare Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
healthline.com (this site) 26 15 Next.js 40.1× 1
rankings.newsweek.com 51 15 Next.js 54.4× 1 Compare →
inorain.com 51 76 Next.js 77.2× 1 Compare →
ottobock.com 51 75 Next.js 228.1× 1 Compare →
epainassist.com 51 71 WordPress 49.3× 1 Compare →
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Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite healthline.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…

🎭

Bait & Switch Delta

A 8 PAGES

Compares your homepage rendering quality with inner pages. A high drift score means AI crawlers see a polished homepage but degraded inner content — the "bait & switch" that erodes trust.

10
Homepage ACRI
10
Inner Avg ACRI
0
ACRI Delta
80%
Homepage Ghost
80%
Inner Avg Ghost
0
Drift Score [?]
Worst Inner Pages
10 80% pricing https://www.healthline.com/health/drugs/imcivree-cost
10 80% pricing https://www.healthline.com/health/drugs/uplizna
10 80% pricing https://www.healthline.com/health/drugs/imcivree
🛡️

E-E-A-T Trust Signals

F 0/100

Trust indicators extracted from surface pages. These signals help AI systems verify your site's Experience, Expertise, Authoritativeness, and Trustworthiness.

Physical Address
Phone Number
Email Contact
About Page
Contact Page
Privacy Policy
Terms of Service
Named Leadership
🔗

Citation Profile

8 DOMAINS

Outbound citation patterns across surface-crawled pages. Sites that cite diverse, authoritative sources signal higher E-E-A-T to AI systems.

64
Total Links
8
Unique Domains
8.0
Avg/Page
12%
Diversity
greatist.com psychcentral.com bezzy.com aacihealthcare.com privacyportal.onetrust.com healthlinemedia.com rvohealth.com medicalnewstoday.com
🏘️ Outbound Neighborhood Trust Avg Trust: 0.0

AI trust scores for the domains healthline.com links to. Citing high-trust sources lifts your own credibility signal.

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to healthline.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": "Healthline",
  "url": "https://healthline.com",
  "logo": "https://images-prod.healthline.com/hlcmsresource/images/frontend-static/favicon/v1/apple-touch-icon.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": "Healthline",
  "url": "https://healthline.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://healthline.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Allow GPTBot in robots.txt
High Impact ⏱ 2 min
GPTBot is blocked — your content cannot appear in ChatGPT citations. Add this to your robots.txt:
text
User-agent: GPTBot
Allow: /

User-agent: ChatGPT-User
Allow: /
Allow ClaudeBot in robots.txt
Medium Impact ⏱ 2 min
ClaudeBot is restricted — Claude may not be able to cite your content. Many AI assistants rely on it.
text
User-agent: ClaudeBot
Allow: /

User-agent: anthropic-ai
Allow: /
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>
📈

Projected Impact

ROI EST.

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

Current Score
15
Projected Score
46
Improvement
+31 pts
Allow GPTBot +8 pts
Allow ClaudeBot +5 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.
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