hpv.vn 64 C
🛡️ SEO 45 🤖 GEO 74 ⚡ Perf 53 🏗️ Arch 83

hpv.vn — Global SEODiff Score 64/100

hpv.vn
📊

hpv.vn scores 64/100 on the AI-Readiness Index, placing it in the middle tier of indexed domains — there is clear room for improvement. While the majority of content is server-rendered, the 15% ghost ratio suggests some content remains hidden from static crawlers. The 7.0× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. The complete absence of JSON-LD schema is a missed opportunity: even basic Organization markup would improve how AI crawlers understand this domain. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

64
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (45) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 17, 2026 · 📋 API
📈 ACRI Trend 4 snapshots
Feb 23 Feb 28
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than hpv.vn?
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)45 × 0.25 = 11.2
🤖 AI Readiness / GEO (40% weight)74 × 0.40 = 29.6
⚡ Performance (20% weight)53 × 0.20 = 10.6
🏗️ Architecture & Trust (15% weight)83 × 0.15 = 12.4
Weighted sum = 11.2 + 29.6 + 10.6 + 12.4
Global SEODiff Score = 64 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
94
Rendering
avg 93
28
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 9%
Rank #86769
+39 pts
Gap
AI (ACRI)
Top 47%
Score 64/100

hpv.vn 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 hpv.vn ranks here

Tech stackCustom / Proprietary
Industry
RenderingHybrid
Schema coverage0 blocks
Token bloat7.0×

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

45/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

69 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

194 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 2
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://hpv.vn/
  • ✓ 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 — Cộng Đồng Phòng Vệ HPV - Giảm Thiểu Gánh Nặng Ung Thư
  • ✓ og:description — Cộng đồng phòng vệ HPV giúp nâng cao nhận thức về nguy cơ bệnh tật, ung thư do HPV gây ra và khuyến khích hành động phòng vệ sớm để bảo vệ sức khỏe
  • ✓ 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

74/100 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.

🚨

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 15%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type Hybrid

📊 Structure & Information Density Docs

Structure Grade 28/100 — Low
Structured Elements 37 elements (37 lists, 0 rows, 0 headers)
Total Words1630
Raw Density2.3%
💡Low structure score (28/100). Your content appears as a wall of text with few structured HTML elements. You have 37 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 ⚠️ 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
Low
Crawl Cost
None
Blocklist Risk
Extractability46/100 — AI models can partially 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

14%
🗑️ 86%
Useful Content (12.9 KB)Bloat (77.9 KB)
Token Bloat Ratio7.0× — Normal

Multimodal Readiness

Visual Context99% Optimized for Vision
Image Alt Coverage85 / 86 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: 85.7% · SNR: 0.17 · Signal: 3315 / Noise: 19942 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 hpv.vn 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
The company is launching a national public awareness campaign to combat HPV and related diseases, focusing on prevention and early
Target Audience
Women (19-45), Young adults (9-26), Healthcare professionals, Government agencies, NGOs, and the general public.
Pricing Model
Partnership-based; MSD provides funding and technology, collaborating with the Ministry of Health and other organizations for implementation.
🔗 Integration Partners
MSD
🏆 Competitive Moat
Combination of MSD's expertise in HPV vaccines and disease prevention, coupled with a comprehensive national campaign leveraging technology and partnerships, creating a strong and sustained impact.
📊 Content Depth
7/10
🔄 Programmatic SEO Signals
Campaign launch announcementPartnership agreementsEvent coverage
⚡ Key Pain Points
• High rates of HPV-related cancers in Vietnam
• Lack of awareness and preventative measures
• Need for effective and accessible public health campaigns
Analyzed by SEODiff AI · 2026-03-04

🔧 Tech Stack

AI-Readiness Score50/100
Servernginx/1.27.2
CDN
HTTP Status200
Load Time1030 ms
Raw HTML Size90.8 KB
Visible Text Size12.9 KB

Performance & Speed

53/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1030 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

855
DOM nodes
91 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✗ 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

83/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

61
internal links
11
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 45/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for hpv.vn
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/hpv.vn" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=hpv.vn" 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 53 pages · Deep-10

Homepage ACRI
45
Single-page score
+12
Subpages outperform homepage
Δ delta
Site-Wide ACRI
58
Avg across 53 pages · Range 0–77
Topical Cohesion
22%
Topical Drift
TF-IDF cosine similarity
Total Words
74581
Avg Bloat
9.9×
Page Type ACRI Token Bloat Words Status
https://hpv.vn/bo-y-te-dong-hanh-cung-msd-viet-nam-phat-dong-chien-dich-vi-mot-chien-dich-khong-ganh-nang-boi-hpv-20250417175810125.html
Bộ Y Tế & MSD Phát Động Chiến Dịch Vì Một Việt Nam Không HPV
other 77 8.2× 1989
https://hpv.vn/hpv-co-o-nam-gio-khong-20250926173144795.html
HPV Ở Nam Giới Lây Qua Những Con Đường Nào?
other 77 8.2× 2313
https://hpv.vn/tre-vi-thanh-nien-co-lay-hpv-khong-20251007143849062.html
Trẻ Vị Thành Niên Có Lây HPV Không? Xem Cách Phòng Ngừa
other 77 8.7× 2106
https://hpv.vn/hpv-o-nam-gioi-lay-qua-duong-gi-20251007143943471.html
HPV Ở Nam Giới Lây Qua Đường Gì? Nguy Cơ & Cách Phòng Ngừa
other 77 9.5× 1823
https://hpv.vn/ung-thu-phu-khoa-20251031135721523.html
5 Bệnh Ung Thư Phụ Khoa Phổ Biến & Cách Phòng Ngừa
other 77 6.9× 3298
https://hpv.vn/hpv-lay-qua-duong-gi-20250917170410522.html
HPV Lây Qua Đường Nào? Lối Sống Giúp Phòng Vệ Đúng Cách
other 77 8.8× 2007
https://hpv.vn/giao-duc-gioi-tinh-cho-tre-20250908033743348.html
Giáo Dục Giới Tính Cho Trẻ: Bảo Vệ & Phát Triển Lành Mạnh
other 77 8.4× 2246
https://hpv.vn/ung-thu-hau-mon-o-nam-20251031153124935.html
Ung thư hậu môn ở nam giới: Dấu hiệu, nguyên nhân, cách dự phòng
other 77 7.3× 2943
https://hpv.vn/dau-hieu-ung-thu-vom-hong-o-nam-20250917170315737.html
Dấu Hiệu Ung Thư Vòm Họng Ở Nam Giới Không Nên Bỏ Qua
other 77 9.5× 1836
https://hpv.vn/ung-thu-duong-vat-20250917170252982.html
Ung thư dương vật: Nguyên nhân, triệu chứng và cách phòng vệ hiệu quả
other 77 7.3× 2816
https://hpv.vn/chang-doi-day-thi-hpv-co-the-tan-cong-tre-tu-som-20250419050152554.html
Trẻ Vị Thành Niên Có Lây HPV Không? Xem Cách Phòng Ngừa
other 77 8.7× 2106
https://hpv.vn/hpv-la-gi-20250926134050789.html
HPV là gì và có nguy hiểm không? Nguyên nhân nhiễm HPV?
other 77 9.0× 1961
https://hpv.vn/dau-hieu-hpv-o-nam-20250917170505719.html
Dấu hiệu nhận biết và mức độ nguy hiểm của HPV ở nam
other 77 8.4× 2159
https://hpv.vn/ung-thu-co-tu-cung-20250905185440199.html
Ung thư cổ tử cung: Dấu hiệu, nguyên nhân và cách phòng ngừa
other 77 8.4× 2182
https://hpv.vn/hpv-nguy-hiem-nhu-the-nao-20250419045425787.html
HPV là gì và có nguy hiểm không? Nguyên nhân nhiễm HPV?
other 77 9.0× 1961
https://hpv.vn/ung-thu-co-tu-cung-co-lay-khong-20250916233526836.html
Ung Thư Cổ Tử Cung Có Lây Không? Giải Đáp & Cách Phòng Ngừa
other 77 7.9× 2328
https://hpv.vn/ngua-ung-thu-co-tu-cung-20250926173308354.html
Ngừa ung thư cổ tử cung. Cách phòng tránh ung thư cổ tử cung phụ nữ cần biết
other 77 7.6× 2206
https://hpv.vn/cach-dao-thai-hpv-cho-tre-20251021155209535.html
Thực hư cách đào thải HPV cho trẻ: Những điều ba mẹ cần biết!
other 77 7.8× 2550
https://hpv.vn/sui-mao-ga-o-nu-20251007144036812.html
Sùi mào gà ở nữ: Dấu hiệu sùi mào gà và cách dự phòng
other 77 9.6× 1958
https://hpv.vn/cac-typ-hpv-20250917170448783.html
Các týp HPV thường gặp và các týp HPV nguy cơ cao gây ung thư
other 77 9.1× 1879
Showing 20 of 53 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
/sui-mao-ga-o-nu-20251007144036812.html/ 1 77 0% 9.6× High JS Bloat
/hpv-type-11-co-nguy-hiem-khong-20250925172025145.html/ 1 77 0% 9.6× High JS Bloat
/chu-dong-du-phong-hpv-cach-bao-ve-minh-khoi-red-flag-20250219105355808.html/ 1 77 0% 9.0× High JS Bloat
/sui-mao-ga-lay-qua-duong-nao-20250926141552386.html/ 1 77 0% 7.0× High JS Bloat
/du-phong-hpv-cho-nam-tu-27-45-tuoi/ 1 67 0% 13.8× High JS Bloat
/features/ 1 0 0% 0.0× Low AI Readiness
/ung-thu-hau-mon-o-nam-20251031153124935.html/ 1 77 0% 7.3× High JS Bloat
/chang-doi-day-thi-hpv-co-the-tan-cong-tre-tu-som-20250419050152554.html/ 1 77 0% 8.7× High JS Bloat
/ung-thu-co-tu-cung-co-lay-khong-20250916233526836.html/ 1 77 0% 7.9× High JS Bloat
/ngua-ung-thu-co-tu-cung-20250926173308354.html/ 1 77 0% 7.6× High JS Bloat
/du-phong-hpv-cho-nu-tu-19-26-tuoi/ 1 67 0% 13.5× High JS Bloat
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/dau-hieu-ung-thu-vom-hong-o-nam-20250917170315737.html/ 1 77 0% 9.5× High JS Bloat
/dau-hieu-hpv-o-nam-20250917170505719.html/ 1 77 0% 8.3× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 53 pages
msdprivacy.com ×43
m.me ×43
tiemchunglongchau.com.vn ×43
msd.com ×43
cdc.gov ×19
who.int ×15
pubmed.ncbi.nlm.nih.gov ×13
facebook.com ×12
🔄 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/hpv.vn

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

🔗 Similar Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
hpv.vn (this site) 45 64 Custom / Proprietary 7.0× 0
lilimpark.jp 55 79 Custom / Proprietary 8.0× 0 Compare →
mcdougallauction.com 55 71 Custom / Proprietary 4.6× 0 Compare →
packedbag.com 55 69 Custom / Proprietary 2.7× 0 Compare →
funeral-notices.co.uk 55 70 Custom / Proprietary 11.4× 0 Compare →
logogenie.com 55 68 Custom / Proprietary 2.6× 0 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for hpv.vn:

Current Score
64
Projected Score
80
Improvement
+16 pts
Add Organization schema +6 pts
Add WebSite schema +4 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).

Is this your company?

Monitor your AI visibility score weekly and get alerted when changes happen.

Start Free →

🧭 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.
Free Deep Audit → GSC Error Guide →