terjin.com 50 D
🛡️ SEO 42 🤖 GEO 59 ⚡ Perf 34 🏗️ Arch 63

terjin.com — Global SEODiff Score 50/100

terjin.com
📊

Among all indexed domains, terjin.com ranks in the top echelon with an ACRI of 90, demonstrating that its content is highly visible to AI systems. The low ghost ratio (0%) confirms that what crawlers see matches what users see — a hallmark of strong SSR implementation. A 37.5× token bloat ratio means crawlers must process significantly more tokens to reach the actual content — a drag on extraction efficiency. 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.

50
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (34) has the most room for improvement.
🎯 Top Fix: Reduce token bloat (38×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 8 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
📈 Mar 21 ACRI +5 (52→57)
📈 Mar 21 ACRI +5 (52→57)
🔄 Mar 18 Content change detected
🔄 Mar 13 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)42 × 0.25 = 10.5
🤖 AI Readiness / GEO (40% weight)59 × 0.40 = 23.6
⚡ Performance (20% weight)34 × 0.20 = 6.8
🏗️ Architecture & Trust (15% weight)63 × 0.15 = 9.4
Weighted sum = 10.5 + 23.6 + 6.8 + 9.4
Global SEODiff Score = 50 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
100
Structure
avg 35
42
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 25%
Rank #251102
-24 pts
Gap
AI (ACRI)
Top 1%
Score 90/100

terjin.com ranks much higher on Google (Tranco Top 25%) than in AI search (Top 1%). This is the 'Visibility Gap' pattern — implementing the recommendations above can help close the AI gap. ACRI measures technical crawler readiness. Read the methodology →

Why terjin.com ranks here

Tech stackWordPress
Industry
RenderingSSR
Schema coverage1 blocks
Token bloat37.5×

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

42/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

15 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 0
  • ✓ Has <h2> headings — found 7
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.terjin.cn/
  • ✓ 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 — 首页
  • ✓ og:description — Previous slide Next slide Previous slide Next slide TDOA无人机侦测定位技术引领者 无源、精准、城市级规模部署。 设备产品 各类硬件产品及软件系统,共筑低空防御天网。 了解更多 解决方案 从探测发现,到准确识别、实时定位、轨迹追踪和按需处置的全流程端到端管控。 要地防护 依法依规守护要地,防范和应对无人机侵扰。 石油石化 守卫能源安全红线,防患于未“燃”。 电力设施 构筑低空屏障,守卫供电动脉畅通无阻。 民航通航 精准监测与处置,确保空域纯净。 大型活动 全时、全域、全息管控,杜绝二次伤害。 商业园区 隐形低空防护网,守护核心资产与隐私。 监狱管理 低空智能防御手段。 智慧城市 城市级低空安全新型基础设施。 高铁沿线 维护线路、道路、信号通畅。 成功案例应用 来自全球终端用户的肯定。 “九三”阅兵 特金上百台套无人机侦测防御设备,参与保障“九三”阅兵现场低空安全,圆满执行相关任务。 中国国际进口博览会 维护国家会展中心等区域低空安全,为进博会构筑坚实的低空安全防线。 合肥低空综合管理示范项目 提供TDOA、RID、无人机处置技术方案及设备,支撑低空管理“看得到、定的准、管得住”。 杭州亚运会 助力维护杭州亚运会开、闭幕式及各赛事体育场馆的低空安全保障工作。 成都大运会 部署“多源融合式TDOA网格化无人机管控系统”,保障开幕式、闭幕式,大运村及赛事场馆管控区域低空安全。 上海市浦江镇低空安全管理示范项目 数十套各类型设备,覆盖浦江镇全域,共同构筑上海首个低空经济安全管理示范项目。 “九三”阅兵 特金上百台套无人机侦测防御设备,参与保障“九三”阅兵现场低空安全,圆满执行相关任务。 中国国际进口博览会 维护国家会展中心等区域低空安全,为进博会构筑坚实的低空安全防线。 合肥低空综合管理示范项目 提供TDOA、RID、无人机处置技术方案及设备,支撑低空管理“看得到、定的准、管得住”。 杭州亚运会 助力维护杭州亚运会开、闭幕式及各赛事体育场馆的低空安全保障工作。 […]
  • ✓ 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

59/100 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 0%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 100/100 — Excellent
Structured Elements 102 elements (102 lists, 0 rows, 0 headers)
Total Words246
Raw Density41.5%

🏷️ 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.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.

📐 AI Efficiency Metrics Docs

68
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability68/100 — AI models can partially extract answers from this page
Crawl CostMedium (65/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

2%
🗑️ 98%
Useful Content (8.0 KB)Bloat (292.9 KB)
Token Bloat Ratio37.5× — Bloated

Multimodal Readiness

Visual Context0% Optimized for Vision
Image Alt Coverage0 / 10 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 301.0 KB, but only 8.0 KB is text. 2% useful / 98% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (37.5×) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.
💡Only 0% 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: 97.3% · SNR: 0.03 · Signal: 2055 / Noise: 74994 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 terjin.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
The company provides a comprehensive suite of drone detection, identification, tracking, and control solutions, leveraging a grid-based system (TDOA) for
Target Audience
Government agencies (police, public security), utilities, oil & gas, aviation, railway, military, and event organizers.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Industry leadership in TDOA technology and a 20-year track record in radio sensing and spectrum data analysis, combined with a comprehensive, grid-based system for large-scale deployment and seamless coverage.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Product page templates (侦测防御系统, 固定式侦测管控设备, 便携式侦测管控设备)Industry application page templates (公共安全, 电力设施, 石油石化)
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for individual products
Analyzed by SEODiff AI · 2026-03-12

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servernginx
CDN
HTTP Status200
Load Time5621 ms
Raw HTML Size301.0 KB
Visible Text Size8.0 KB

Performance & Speed

34/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

5621 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1146
DOM nodes
301 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=0
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 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

63/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.terjin.cn/sitemap_index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

3
internal links
139
external links
Limited internal links — consider adding contextual cross-links

🔒 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 57/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

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

Homepage ACRI
57
Single-page score
-49
Severe hidden bloat
Δ delta
Site-Wide ACRI
8
Avg across 10 pages · Range 0–42
🔍
Hidden Bloat Detected

Homepage scores 57, but internal pages average only 8 — a -49-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
8%
Topical Drift
TF-IDF cosine similarity
Total Words
358
Avg Bloat
7.3×
Page Type ACRI Token Bloat Words Status
https://terjin.com/about
上海特金-无人机管控领导者 无人机反制_反无人机_无人机反制_防御无人机_无人机防御
about 42 33.6× 191
https://terjin.com/products
上海特金-无人机管控领导者 无人机反制_反无人机_无人机反制_防御无人机_无人机防御
pricing 39 39.0× 167 💰 Pricing
https://terjin.com/pricing pricing 0 0.0× 0
https://terjin.com/features product 0 0.0× 0
https://terjin.com/docs docs 0 0.0× 0
https://terjin.com/blog blog 0 0.0× 0
https://terjin.com/case-studies social-proof 0 0.0× 0
https://terjin.com/contact support 0 0.0× 0
https://terjin.com/faq support 0 0.0× 0
https://terjin.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
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 39 0% 39.0× High JS Bloat
/features/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 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
/about/ 1 42 0% 33.6× High JS Bloat
/blog/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 10 pages
en.terjin.com ×2
🔄 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/terjin.com

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

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📊 Semantic Share of Voice

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

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

Projected Impact

ROI EST.

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

Current Score
90
Projected Score
98
Improvement
+8 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?
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