spiderum.com 47 D
🛡️ SEO 39 🤖 GEO 44 ⚡ Perf 38 🏗️ Arch 81

spiderum.com — Global SEODiff Score 47/100

spiderum.com
📊

The AI-Readiness score for spiderum.com is 57/100 — a middling result that leaves significant room to climb the Radar rankings. In the infrastructure sector, spiderum.com outperforms the average (57), suggesting strong competitive positioning in AI search. While the majority of content is server-rendered, the 30% ghost ratio suggests some content remains hidden from static crawlers. The bloated 50.0× token ratio highlights an urgent need to clean up non-content markup, scripts, and navigation clutter. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

47
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (38) has the most room for improvement.
🎯 Top Fix: Reduce token bloat (170×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 19, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 19
🔔 Recent AI Indexing Activity
🔄 Mar 19 Content change detected
Does your site score higher than spiderum.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)39 × 0.25 = 9.8
🤖 AI Readiness / GEO (40% weight)44 × 0.40 = 17.6
⚡ Performance (20% weight)38 × 0.20 = 7.6
🏗️ Architecture & Trust (15% weight)81 × 0.15 = 12.2
Weighted sum = 9.8 + 17.6 + 7.6 + 12.2
Global SEODiff Score = 47 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
84
Rendering
avg 93
11
Structure
avg 35
0
Schema
avg 9
40
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 7%
Rank #72821
+50 pts
Gap
AI (ACRI)
Top 57%
Score 57/100

spiderum.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 spiderum.com ranks here

Tech stackAngular
RenderingHybrid
Schema coverage0 blocks
Token bloat50×+

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

39/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

90 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

181 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 15
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✗ Canonical tag present
  • ✓ 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 — Spiderum | Mạng Xã Hội Chia Sẻ Quan Điểm - Kiến Thức Hàng Đầu Việt Nam
  • ✓ og:description — Nền tảng chia sẻ - thảo luận dành cho người Việt. Nơi tập trung những nội dung thú vị và hữu ích nhất do người dùng đóng góp và bình chọn.
  • ✓ 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

44/100 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 →
spiderum.com
29
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.

👻
Shadow Content Detected: 30% of your page token budget is in non-rendered regions (JavaScript-dependent content that AI crawlers may not process). Combined with 170.5x token bloat, AI models are using most of their context window on noise instead of your real content. This dramatically increases hallucination probability — models fill the gap with made-up facts.
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 30%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type Hybrid

📊 Structure & Information Density Docs

Structure Grade 11/100 — Poor
Structured Elements 2 elements (2 lists, 0 rows, 0 headers)
Total Words592
Raw Density0.3%
💡Low structure score (11/100). Your content appears as a wall of text with few structured HTML elements. You have 2 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

25
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability25/100 — AI models can barely extract answers from this page
Crawl CostHigh (95/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

1%
🗑️ 99%
Useful Content (3.8 KB)Bloat (647.5 KB)
Token Bloat Ratio50×+ — Bloated

Multimodal Readiness

Visual Context90% Optimized for Vision
Image Alt Coverage38 / 42 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 651.3 KB, but only 3.8 KB is text. 1% useful / 99% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (50×+) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 99.4% · SNR: 0.01 · Signal: 977 / Noise: 165753 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…

🔧 Tech Stack

FrameworkAngular
AI-Readiness Score40/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time2980 ms
Raw HTML Size651.3 KB
Visible Text Size3.8 KB

Performance & Speed

38/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

2980 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

712
DOM nodes
651 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✓ 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

81/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

84
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 29/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for spiderum.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/spiderum.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=spiderum.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 47 pages · Deep-10

Homepage ACRI
29
Single-page score
+26
Subpages outperform homepage
Δ delta
Site-Wide ACRI
56
Avg across 47 pages · Range 26–72
Topical Cohesion
45%
Topical Drift
TF-IDF cosine similarity
Total Words
83577
Avg Bloat
114.8×
Page Type ACRI Token Bloat Words Status
https://spiderum.com/bai-dang/AI-TRI-TUE-NHAN-TAO-DANG-DUOC-SU-DUNG-DE-THAO-TUNG-HANH-VI-CUA-CON-NGUOI-NGAY-NAY-NHU-THE-NAO-AWObvsjwRws9
AI – TRÍ TUỆ NHÂN TẠO ĐANG ĐƯỢC SỬ DỤNG ĐỂ THAO TÚNG HÀNH VI CỦA CON NGƯỜI NGÀY NAY NHƯ THẾ NÀO?
other 72 19.7× 9662
https://spiderum.com/bai-dang/8-Loi-khuyen-danh-cho-seller-moi-Ban-hang-Tren-SHOPEE-upKIStTF6NDF
8 Lời khuyên dành cho seller mới Bán hàng Trên SHOPEE
other 64 43.0× 3814
https://spiderum.com/bai-dang/The-Templars-P2-Dan-nhap-sguBzNV3bh8b
The Templars (P.2) - Dẫn nhập
pricing 64 35.9× 4210 💰 Pricing
https://spiderum.com/bai-dang/Y-NGHIA-HINH-TUONG-5-THAY-TRO-DUONG-TANG-z93
Ý NGHĨA HÌNH TƯỢNG 5 THẦY TRÒ ĐƯỜNG TĂNG
other 64 78.0× 1697
https://spiderum.com/bai-dang/Qua-ca-chua-tang-da-va-Tam-Quoc-8u8
Quả cà chua, tảng đá và Tam Quốc.
other 64 223.0× 561
https://spiderum.com/bai-dang/Gia-Vo-Va-Bat-Ngo-QBbLmPiBfsmv
Giả Vờ Và Bất Ngờ
other 64 51.5× 2928
https://spiderum.com/bai-dang/Nhap-mon-tra-tra-la-gi-kem-huong-dan-chuan-bi-bo-tra-cu-cho-nguoi-moi-bat-dau-thuong-tra-7uLyXoAOkfAx
Nhập môn trà: trà là gì? (kèm hướng dẫn chuẩn bị bộ trà cụ cho người mới bắt đầu thưởng trà)
other 64 43.6× 3688
https://spiderum.com/bai-dang/Tam-ly-cua-nhung-ke-muu-sat-nguoi-than-ruot-thit-vsjtqCH1zBLE
Tâm lý của những kẻ mưu sát người thân ruột thịt
other 64 85.3× 1743
https://spiderum.com/bai-dang/Nhung-phan-nguoi-duoi-chan-cau-Long-Bien-gi5
Những phận người dưới chân cầu Long Biên
other 64 78.8× 1699
https://spiderum.com/bai-dang/Khong-phai-luoi-bieng-luc-nao-cung-la-xau-TZcy7p4XOkf3
Không phải lười biếng lúc nào cũng là xấu!
other 64 129.2× 1094
https://spiderum.com/bai-dang/Hay-la-khai-tu-Self-help-di-pe6
Hay là khai tử Self-help đi?
support 64 54.4× 2536
https://spiderum.com/bai-dang/Ke-hoach-de-chet-P7f4Irewi3Ji
Kế hoạch để chết
other 64 104.8× 1306
https://spiderum.com/bai-dang/Natsume-Yuujinchou-Doi-dong-gioi-thieu-va-cam-nghi-an2
Natsume Yuujinchou
other 64 196.3× 640
https://spiderum.com/bai-dang/Nguoi-ta-thuong-nghi-gi-ve-nhau-trong-tinh-yeu-r4w
Giới trẻ thường nghĩ gì về nhau trong tình yêu
other 64 76.7× 1734
https://spiderum.com/bai-dang/Gui-den-anh-KhA-BanHEm-cam-on-anh-ffi
Gửi đến anh KhÁ BảnH:Em cảm ơn anh!!!
other 64 231.7× 535
https://spiderum.com/bai-dang/Su-that-ve-Judas-Ke-phan-Chua-hay-mon-do-dang-kinh-nhat-4hq
Sự thật về Judas – Kẻ phản Chúa hay môn đồ đáng kính nhất?
other 64 38.6× 3657
https://spiderum.com/bai-dang/Ra-Truong-Lam-Startup-Minh-Thay-Gi-aFrQeB4SKHB8
Ra Trường Làm Startup Mình Thấy Gì?
conversion 64 48.0× 3113
https://spiderum.com/bai-dang/Linh-tinh-giua-nhung-ngay-bat-dinh-cop
Linh tinh giữa những ngày bất định
other 64 135.9× 925
https://spiderum.com/bai-dang/TOI-CUA-NGUOI-LON-8uu
TỘI CỦA NGƯỜI LỚN
other 64 53.4× 2519
https://spiderum.com/bai-dang/Tai-sao-khong-nen-doc-sach-self-help-6jw
Căn bệnh ung thư mang tên Self-help
docs 64 58.6× 2336
Showing 20 of 47 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
/bai-dang/ 37 64 0% 101.5× High JS Bloat
/pricing/ 1 26 0% 163.9× High JS Bloat
/products/ 1 26 0% 163.9× High JS Bloat
/blog/ 1 26 0% 163.9× High JS Bloat
/case-studies/ 1 26 0% 163.9× High JS Bloat
/contact/ 1 26 0% 163.9× High JS Bloat
/integrations/ 1 26 0% 163.9× High JS Bloat
/about/ 1 26 0% 163.9× High JS Bloat
/features/ 1 26 0% 163.9× High JS Bloat
/faq/ 1 26 0% 163.9× High JS Bloat
/docs/ 1 26 0% 163.9× High JS Bloat
🔄 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/spiderum.com

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

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

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📊 Semantic Share of Voice

How often would an AI cite spiderum.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 spiderum.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": "Spiderum",
  "url": "https://spiderum.com",
  "logo": "assets/icons/manifest/144x144.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": "Spiderum",
  "url": "https://spiderum.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://spiderum.com/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 0% 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 Spiderum?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Spiderum does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Spiderum work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Spiderum."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
57
Projected Score
75
Improvement
+18 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.
Free Deep Audit → GSC Error Guide →