tamnguyen.vn 57 D
🛡️ SEO 46 🤖 GEO 75 ⚡ Perf 16 🏗️ Arch 83

tamnguyen.vn — Global SEODiff Score 57/100

tamnguyen.vn
📊

The AI-Readiness profile for tamnguyen.vn is strong: an ACRI of 75/100 places it ahead of 81% of domains in the index. Compared to other infrastructure sites (avg score: 57), tamnguyen.vn performs above the benchmark, 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. A 7.0× bloat ratio is typical for sites in this tech tier — not wasteful, but streamlining could further boost extractability. Minimal structured data (1 block) limits the site's ability to communicate entity relationships to AI systems. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

57
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (16) has the most room for improvement.
🎯 Top Fix: Add HSTS header → +2 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 20, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 20
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than tamnguyen.vn?
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)46 × 0.25 = 11.5
🤖 AI Readiness / GEO (40% weight)75 × 0.40 = 30.0
⚡ Performance (20% weight)16 × 0.20 = 3.2
🏗️ Architecture & Trust (15% weight)83 × 0.15 = 12.4
Weighted sum = 11.5 + 30.0 + 3.2 + 12.4
Global SEODiff Score = 57 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
27
Structure
avg 35
42
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 33%
Rank #325556
-13 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

tamnguyen.vn is more visible to Google than to AI models. There's room to improve AI discoverability to match your search reputation. ACRI measures technical crawler readiness. Read the methodology →

Why tamnguyen.vn ranks here

Tech stackWordPress
RenderingSSR
Schema coverage1 blocks
Token bloat7.0×

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

46/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

66 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

197 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 0
  • ✓ Has <h2> headings — found 8
  • ✗ <h2> not before <h1>

🔍 Indexability

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

🌐 Social / OpenGraph

  • ✓ og:title — Tam Nguyên Media - Công Ty Thiết Kế Website Chuyên Nghiệp
  • ✓ og:description — 15 năm chuyên tâm nghiên cứu lĩnh vực thiết kế trang web, Marketing. Chúng tôi thấu hiểu và có giải GIẢI PHÁP TỔNG THỂ giúp website của Quý khách phát triển...
  • ✓ 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

75/100 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 →
tamnguyen.vn
57
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 27/100 — Low
Structured Elements 119 elements (119 lists, 0 rows, 0 headers)
Total Words5473
Raw Density2.2%
💡Low structure score (27/100). Your content appears as a wall of text with few structured HTML elements. You have 119 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 ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 block(s) — Basic (low value for AI)

Schema Coverage Map

3/7 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.

📐 AI Efficiency Metrics Docs

58
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability58/100 — AI models can partially extract answers from this page
Crawl CostHigh (70/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

14%
🗑️ 86%
Useful Content (74.8 KB)Bloat (446.1 KB)
Token Bloat Ratio7.0× — Normal

Multimodal Readiness

Visual Context99% Optimized for Vision
Image Alt Coverage142 / 143 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: 85.6% · SNR: 0.17 · Signal: 19158 / Noise: 114211 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 tamnguyen.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
Tam Nguyên Media provides professional website design services and digital marketing solutions to businesses across various industries, offering a comprehensive
Target Audience
Business owners, marketing managers, entrepreneurs, small to medium-sized businesses (SMBs) across industries (e.g., beauty, travel, real estate, food & beverage, automotive, etc.), and companies seeking to improve their online presence and sales.
Pricing Model
Custom pricing based on project scope and requirements; offers pre-designed website templates with varying price points (starting from $800,000 to $3,000,000).
🏆 Competitive Moat
A combination of extensive experience (15+ years), custom-designed templates optimized for SEO and advertising, and a focus on delivering a complete solution for website development and marketing.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Template comparison pagesIntegration directory pages
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-15

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
ServerLiteSpeed
CDN
HTTP Status200
Load Time3068 ms
Raw HTML Size521.0 KB
Visible Text Size74.8 KB

Performance & Speed

16/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

3068 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

4983
DOM nodes
521 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

2
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://tamnguyen.vn/sitemap_index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

537
internal links
9
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 → vi
  • ✓ 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 57/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

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

Homepage ACRI
57
Single-page score
-51
Severe hidden bloat
Δ delta
Site-Wide ACRI
7
Avg across 10 pages · Range 0–67
🔍
Hidden Bloat Detected

Homepage scores 57, but internal pages average only 7 — a -51-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
5118
Avg Bloat
2.1×
RAG Fractures [?]
1
⚠️
1 RAG-Chunking Fracture Detected

Poorly formatted tables or pricing grids on 1 page will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://tamnguyen.vn/contact
Tam Nguyên Media - Công Ty Thiết Kế Website Chuyên Nghiệp
support 67 20.8× 5118 ⚠️ RAG Fracture
https://tamnguyen.vn/pricing pricing 0 0.0× 0
https://tamnguyen.vn/about about 0 0.0× 0
https://tamnguyen.vn/features product 0 0.0× 0
https://tamnguyen.vn/products product 0 0.0× 0
https://tamnguyen.vn/docs docs 0 0.0× 0
https://tamnguyen.vn/blog blog 0 0.0× 0
https://tamnguyen.vn/case-studies social-proof 0 0.0× 0
https://tamnguyen.vn/faq support 0 0.0× 0
https://tamnguyen.vn/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
/contact/ 1 67 0% 20.9× High JS Bloat
/docs/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/blog/ 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
/pricing/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 10 pages
m.me ×1
youtube.com ×1
zalo.me ×1
twitter.com ×1
facebook.com ×1
linkedin.com ×1
pinterest.com ×1
maps.app.goo.gl ×1
🔄 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/tamnguyen.vn

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
tamnguyen.vn (this site) 57 75 WordPress 7.0× 1
gifdb.com 82 88 WordPress 2.8× 1 Compare →
sirphire.com 82 90 WordPress 3.1× 2 Compare →
hikkoshi.suumo.jp 82 88 WordPress 2.2× 4 Compare →
nationalproductreview.com.au 82 98 WordPress 5.8× 13 Compare →
mymc.jp 82 91 WordPress 4.4× 7 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite tamnguyen.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 tamnguyen.vn. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

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 Tamnguyen?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Tamnguyen does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Tamnguyen work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Tamnguyen."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
75
Projected Score
81
Improvement
+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
🔍 Found indexing issues?
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