cnblogs.com 59 D
🛡️ SEO 33 🤖 GEO 64 ⚡ Perf 62 🏗️ Arch 88

cnblogs.com — Global SEODiff Score 59/100

cnblogs.com
📊

cnblogs.com achieves a 70/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. In the developer sector, cnblogs.com outperforms the average (57), suggesting strong competitive positioning in AI search. Server-side rendering keeps the ghost ratio near zero, giving AI systems direct access to all visible content. A tight 2.6× token bloat ratio reflects disciplined markup: minimal noise between the crawler and the content it needs. No structured data was detected, which means AI systems must infer all entities and relationships from raw HTML alone. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

59
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Traditional SEO (33) has the most room for improvement.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
⚠️ Crawl Blocked: Fetch failed (network timeout / connection error)
🔬 Automated SEODiff Assessment · Snapshot: Mar 15, 2026 · 📋 API
Does your site score higher than cnblogs.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)33 × 0.25 = 8.2
🤖 AI Readiness / GEO (40% weight)64 × 0.40 = 25.6
⚡ Performance (20% weight)62 × 0.20 = 12.4
🏗️ Architecture & Trust (15% weight)88 × 0.15 = 13.2
Weighted sum = 8.2 + 25.6 + 12.4 + 13.2
Global SEODiff Score = 59 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
49
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 0.5%
Rank #5067
+33 pts
Gap
AI (ACRI)
Top 33%
Score 70/100

cnblogs.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 cnblogs.com ranks here

Tech stackCustom / Proprietary
Industrydeveloper
RenderingSSR
Schema coverage0 blocks
Token bloat2.6×

Fastest improvements

  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • 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

33/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

36 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

315 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

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

🔍 Indexability

  • ✓ Canonical tag present → https://www.cnblogs.com
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → zh-cn
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✗ og:title
  • ✓ og:description — 专注于为开发者服务,帮助开发者用代码改变世界
  • ✓ 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

64/100 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 developer sector, hikkoshizamurai.jp (ACRI: 88) 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 →
cnblogs.com
29
Your ACRI Score
88
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. hikkoshizamurai.jp has schema coverage of 5 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)
Allowed
ClaudeBot (Anthropic)
Allowed
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed

👻 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 49/100 — Fair
Structured Elements 38 elements (38 lists, 0 rows, 0 headers)
Total Words530
Raw Density7.2%

🏷️ 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

59
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability59/100 — 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

38%
🗑️ 62%
Useful Content (30.8 KB)Bloat (48.4 KB)
Token Bloat Ratio2.6× — Lean

Multimodal Readiness

Visual Context68% Optimized for Vision
Image Alt Coverage34 / 50 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

60 Entropy
Fair Token Bloat: Medium
Noise Ratio: 61.1% · SNR: 0.64 · Signal: 7886 / Noise: 12390 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 cnblogs.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
博客园 is a community providing a knowledge-sharing platform for developers to learn and exchange technical information.
Target Audience
Developers
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Developer community focused on technical learning and exchange.
📊 Content Depth
4/10
Analyzed by SEODiff AI · 2026-02-28

🔧 Tech Stack

AI-Readiness Score50/100
Server
CDN
HTTP Status200
Load Time1113 ms
Raw HTML Size79.2 KB
Visible Text Size30.8 KB

Performance & Speed

62/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1113 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

797
DOM nodes
79 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

88/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

171
internal links
10
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 → zh-cn
  • ✓ 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 cnblogs.com
Unverified — crawl access is blocked
<a href="https://seodiff.io/radar/domains/cnblogs.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=cnblogs.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 1010 pages · Deep-10

Homepage ACRI
29
Single-page score
+21
Subpages outperform homepage
Δ delta
Site-Wide ACRI
50
Avg across 1010 pages · Range 0–82
Total Words
477461
Avg Bloat
38.8×
RAG Fractures [?]
3
⚠️
3 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 3 pages will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://www.cnblogs.com/wanson/articles/19625856
1.3常见的连续型分布 - Indian_Mysore - 博客园
blog 82 4.8× 14452
https://www.cnblogs.com/yaoyunxiao/articles/19618190
8个含因果图的多目标问题 - 姚云潇 - 博客园
blog 82 3.6× 3490
https://www.cnblogs.com/high-sky/articles/19635290
莫比乌斯反演练习归纳 - high_skyy - 博客园
blog 82 3.5× 3323
https://www.cnblogs.com/notlate-cn/articles/19612954
【MLIR】Affine 方言深入研究 - 稳住·能赢 - 博客园
pricing 82 2.8× 6585 💰 Pricing
https://www.cnblogs.com/tommyjin/articles/19627584
[2026-2-21] 题解:P10773 [NOISG 2021 Qualification] Truck - TommyJin - 博客园
blog 82 4.1× 1412
https://www.cnblogs.com/learncpp/articles/19591907
O-3 使用位运算符和位掩码进行位操作 - 游翔 - 博客园
pricing 82 5.0× 2007 💰 Pricing
https://www.cnblogs.com/zhang-kevin/articles/19625483
数列分块入门做题记录 - zhang_kevin - 博客园
blog 82 2.8× 4304
https://www.cnblogs.com/yaoyunxiao/articles/19616921
Atcoder ABC445 - 题解 - 姚云潇 - 博客园
blog 82 4.5× 1617
https://www.cnblogs.com/buwai/articles/19625388
OpenCode 调用大模型 - 不歪歪 - 博客园
pricing 82 4.9× 4168 💰 Pricing
https://www.cnblogs.com/buwai/articles/19625387
OpenCode Compaction 上下文压缩 和 清理旧工具输出 - 不歪歪 - 博客园
pricing 82 4.7× 3175 💰 Pricing
https://www.cnblogs.com/grapeking/articles/19621686
多项式基本算法 - grape_king - 博客园
blog 82 2.2× 3354
https://www.cnblogs.com/JoeyJ/articles/-/Feb2026
做题笔记 - Feb. 2026 - JoeyJiang - 博客园
blog 82 4.4× 3248
https://www.cnblogs.com/tnuxvs5t/articles/19621659
Day 5. 极值理论,Hessian矩阵,约束优化 - Tnuzy_plzro - 博客园
blog 82 3.1× 9418
https://www.cnblogs.com/buwai/articles/19625361
OpenCode 工具系统 - 不歪歪 - 博客园
pricing 82 4.4× 3305 💰 Pricing
https://www.cnblogs.com/buwai/articles/19625365
OpenCode 服务端流式响应 和 用户确认机制 - 不歪歪 - 博客园
pricing 82 4.1× 4947 💰 Pricing
https://www.cnblogs.com/tnuxvs5t/articles/19616349
Day 4. Banach不动点定理与流形局部参数化 - Tnuzy_plzro - 博客园
blog 82 3.3× 7308
https://www.cnblogs.com/pzhu1/articles/19637935
vue3源代码分析 - pzhu1(朱平) - 博客园
blog 79 4.7× 7272
https://www.cnblogs.com/learncpp/articles/19591883
6-1 运算符优先级与结合性 - 游翔 - 博客园
pricing 77 8.3× 1122 💰 Pricing
https://www.cnblogs.com/hansa/articles/19623572
Golang 内存模型与分配机制 - 就往丶 - 博客园
pricing 77 6.5× 2083 💰 Pricing
https://www.cnblogs.com/easify/articles/19630055
1. 实数和复数 - Ace233 - 博客园
blog 77 7.0× 1135
Showing 20 of 100 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
/wanson/ 103 71 0% 11.0× High JS Bloat
/learncpp/ 55 68 0% 11.7× High JS Bloat
/27online/ 19 45 0% 31.1× High JS Bloat
/buwai/ 11 76 0% 7.3× High JS Bloat
/qianchuanzhixue/ 10 42 0% 75.5× High JS Bloat
/Dominus/ 10 57 0% 16.6× High JS Bloat
/Hstry/ 10 56 0% 18.6× High JS Bloat
/baoto/ 8 57 0% 18.3× High JS Bloat
/sanshijue/ 7 42 0% 43.7× High JS Bloat
/wxg1990/ 7 68 0% 11.4× High JS Bloat
/wyjgm/ 6 51 0% 21.4× High JS Bloat
/Dh-666/ 5 55 0% 21.2× High JS Bloat
/5409zxy/ 5 53 0% 22.7× High JS Bloat
/happygrape/ 5 60 0% 15.2× High JS Bloat
/KenopsiaMind/ 4 60 0% 13.1× 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/cnblogs.com

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

🔗 Similar developer Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
cnblogs.com (this site) 29 70 Custom / Proprietary 2.6× 0
cl0secall.net 54 70 Custom / Proprietary 2.4× 0 Compare →
myget.org 54 73 Custom / Proprietary 2.7× 1 Compare →
packt-cdn.com 54 71 Custom / Proprietary 3.9× 1 Compare →
gstreamer.org 54 77 Custom / Proprietary 6.2× 0 Compare →
nightwatchjs.org 54 69 Custom / Proprietary 6.5× 0 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite cnblogs.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

D 15 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.

47
Homepage ACRI
26
Inner Avg ACRI
+21
ACRI Delta
0%
Homepage Ghost
39%
Inner Avg Ghost
52
Drift Score [?]
Worst Inner Pages
26 40% blog https://www.cnblogs.com/Xingular/articles/19623524/xingular_2026-2-18-1
26 40% product https://cnblogs.com/products
26 40% blog https://cnblogs.com/blog
🛡️

E-E-A-T Trust Signals

C 40/100

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

21 DOMAINS

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

169
Total Links
21
Unique Domains
11.3
Avg/Page
12%
Diversity
news.cnblogs.com msg.cnblogs.com q.cnblogs.com home.cnblogs.com cnblogs.vip chat2db-ai.com beian.gov.cn vip.cnblogs.com account.cnblogs.com i.cnblogs.com
🏘️ Outbound Neighborhood Trust Avg Trust: 0.1

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

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to cnblogs.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": "Cnblogs",
  "url": "https://cnblogs.com",
  "logo": "https://assets.cnblogs.com/logo_square.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": "Cnblogs",
  "url": "https://cnblogs.com",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://cnblogs.com/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 Cnblogs?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Cnblogs does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Cnblogs work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Cnblogs."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
70
Projected Score
83
Improvement
+13 pts
Add Organization schema +6 pts
Add WebSite schema +4 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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