smm.cn 59 D
🛡️ SEO 38 🤖 GEO 84 ⚡ Perf 28 🏗️ Arch 67

smm.cn — Global SEODiff Score 59/100

smm.cn
📊

With a solid 75/100 ACRI, smm.cn is well-positioned for AI search — better than 81% of sites in the Radar. Within the social vertical, this places smm.cn above the industry average of 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. With a 2.6× bloat ratio, the page delivers its content without excessive boilerplate, giving AI systems a clean extraction path. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

59
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Performance (28) has the most room for improvement.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 20, 2026 · 📋 API
📈 ACRI Trend 5 snapshots
Mar 2 Mar 20
🔔 Recent AI Indexing Activity
📈 Mar 20 ACRI +3 (64→67)
📉 Mar 18 ACRI -3 (67→64)
📈 Mar 12 ACRI +3 (64→67)
Does your site score higher than smm.cn?
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)38 × 0.25 = 9.5
🤖 AI Readiness / GEO (40% weight)84 × 0.40 = 33.6
⚡ Performance (20% weight)28 × 0.20 = 5.6
🏗️ Architecture & Trust (15% weight)67 × 0.15 = 10.0
Weighted sum = 9.5 + 33.6 + 5.6 + 10.0
Global SEODiff Score = 59 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
74
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 9%
Rank #88843
+11 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

smm.cn shows stronger AI visibility than traditional SEO ranking. Great AI foundation to build on. ACRI measures technical crawler readiness. Read the methodology →

Why smm.cn ranks here

Tech stackCustom / Proprietary
Industrysocial
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…
🛡️

Traditional SEO

38/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

71 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

267 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 19
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.smm.cn
  • ✓ 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 — 上海有色网
  • ✓ og:description — 上海有色网是知名的有色金属价格行情门户,提供最新的上海、长江等有色金属市场期货现货行情、资讯、交易、金融服务以及物流相关信息.国内有色金属现货价格的风向标,点击率居世界业内网站前列.
  • ✓ 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

84/100 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 social sector, martin-sad.ru (ACRI: 87) 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 →
smm.cn
67
Your ACRI Score
87
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. martin-sad.ru has schema coverage of 63 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 74/100 — Good
Structured Elements 373 elements (334 lists, 33 rows, 6 headers)
Total Words2245
Raw Density16.6%

🏷️ 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

67
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability67/100 — 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

38%
🗑️ 62%
Useful Content (260.7 KB)Bloat (415.8 KB)
Token Bloat Ratio2.6× — Lean

Multimodal Readiness

Visual Context86% Optimized for Vision
Image Alt Coverage192 / 223 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: 61.5% · SNR: 0.63 · Signal: 66735 / Noise: 106434 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 smm.cn 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
Shanghai You Color provides a comprehensive online platform for the global non-ferrous metal industry, offering benchmark prices, analysis, information, consulting, and trade show services.
Target Audience
Metal traders, industry analysts, mining companies, and businesses involved in the non-ferrous metal supply chain.
Pricing Model
⚠ SEMANTIC VOID
🛡️ Compliance Standards
沪ICP备09002236号沪B2-20120059沪公网安备 31011502015294号沪金信备〔2022〕3号
🏆 Competitive Moat
Comprehensive pricing data and industry analysis, combined with a large user base and established brand reputation within the Chinese metal industry.
📊 Content Depth
7/10
🔄 Programmatic SEO Signals
www.smm.cnm.smm.cn掌上有色
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-05

🔧 Tech Stack

AI-Readiness Score50/100
Server
CDN
HTTP Status200
Load Time1531 ms
Raw HTML Size676.4 KB
Visible Text Size260.7 KB

Performance & Speed

28/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1531 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

4970
DOM nodes
676 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✗ 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

67/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

  • ✗ Sitemap declared in robots.txt
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

1232
internal links
40
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 scores 67/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for smm.cn
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/smm.cn" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=smm.cn" 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 61 pages · Deep-10

Homepage ACRI
67
Single-page score
-38
Severe hidden bloat
Δ delta
Site-Wide ACRI
29
Avg across 61 pages · Range 0–67
🔍
Hidden Bloat Detected

Homepage scores 67, but internal pages average only 29 — a -38-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
8154
Avg Bloat
25.3×
Page Type ACRI Token Bloat Words Status
https://www.smm.cn/mkds/10547
拉力计用途_价格_厂家_专区_资讯-上海有色金属网
other 67 15.3× 856
https://www.smm.cn/mkds/10802
铜铸件用途_价格_厂家_专区_资讯-上海有色金属网
other 67 15.1× 873
https://www.smm.cn/mkds/10548
磁铁磁钢用途_价格_厂家_专区_资讯-上海有色金属网
other 62 26.7× 632
https://www.smm.cn/mkds/11058_info
锌锰电池用途_锌锰电池用途资讯-上海有色金属网
other 52 33.1× 231
https://www.smm.cn/mkds/10546
硬度计用途_价格_厂家_专区_资讯-上海有色金属网
other 52 24.6× 500
https://www.smm.cn/mkds/11058
锌锰电池用途_价格_厂家_专区_资讯-上海有色金属网
other 52 47.5× 282
https://www.smm.cn/mkds/10291
镍铬电阻电热合金批发_价格_厂家_专区_资讯-上海有色金属网
other 52 25.7× 410
https://www.smm.cn/mkds/11059
锌镁合金用途_价格_厂家_专区_资讯-上海有色金属网
other 52 44.0× 323
https://www.smm.cn/mkds/10803
氧化铜用途_价格_厂家_专区_资讯-上海有色金属网
other 52 35.3× 285
https://www.smm.cn/mkds/10292
高温电阻丝批发_价格_厂家_专区_资讯-上海有色金属网
other 52 27.4× 350
https://www.smm.cn/mkds/10804
纯铜排用途_价格_厂家_专区_资讯-上海有色金属网
other 52 37.7× 323
https://smm.cn/about
关于我们-上海有色网
about 42 41.9× 94
https://www.smm.cn/mkds/10802_info
铜铸件用途_铜铸件用途资讯-上海有色金属网
other 42 35.6× 153
https://www.smm.cn/mkds/11059_info
锌镁合金用途_锌镁合金用途资讯-上海有色金属网
other 42 30.7× 198
https://www.smm.cn/mkds/10803_info
氧化铜用途_氧化铜用途资讯-上海有色金属网
other 39 38.7× 100
https://www.smm.cn/mkds/10803_company
氧化铜用途厂家_氧化铜用途公司_氧化铜用途批发-上海有色金属网
about 39 47.0× 110
https://www.smm.cn/mkds/10291_info
镍铬电阻电热合金批发_镍铬电阻电热合金批发资讯-上海有色金属网
other 39 37.3× 90
https://www.smm.cn/mkds/10546_company
硬度计用途厂家_硬度计用途公司_硬度计用途批发-上海有色金属网
about 39 47.0× 110
https://www.smm.cn/mkds/10546_price
硬度计用途价格_硬度计用途多少钱_硬度计用途报价-上海有色金属网
other 39 36.8× 87
https://www.smm.cn/mkds/10546_info
硬度计用途_硬度计用途资讯-上海有色金属网
other 39 37.5× 92
Showing 20 of 61 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
/mkds/ 40 44 0% 37.5× High JS Bloat
/contact/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/get-started/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 42 0% 41.9× High JS Bloat
/features/ 1 0 0% 0.0× Low AI Readiness
/help/ 1 0 0% 0.0× Low AI Readiness
/trust/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/security/ 1 0 0% 0.0× Low AI Readiness
/careers/ 1 0 0% 0.0× Low AI Readiness
/resources/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/guides/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 61 pages
b.smm.cn ×41
csnta.org ×41
anhuida.com ×41
news.smm.cn ×41
hq.smm.cn ×41
data-pro.smm.cn ×41
beian.miit.gov.cn ×41
price.smm.cn ×41
🔄 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/smm.cn

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

🔗 Similar social Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
smm.cn (this site) 67 75 Custom / Proprietary 2.6× 0
conrad.ba 81 86 Custom / Proprietary 3.4× 2 Compare →
sport-tec.de 82 86 Custom / Proprietary 3.0× 2 Compare →
hematoonkologia.pl 85 86 Custom / Proprietary 1.5× 2 Compare →
game.blogmura.com 85 87 Custom / Proprietary 3.0× 3 Compare →
music-city.cz 83 86 Custom / Proprietary 2.3× 4 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite smm.cn 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 smm.cn. 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": "Smm",
  "url": "https://smm.cn",
  "logo": "https://static.smm.cn/www.smm.cn/3.29.29/image/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": "Smm",
  "url": "https://smm.cn",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://smm.cn/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 Smm?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Smm does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Smm work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Smm."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for smm.cn:

Current Score
75
Projected Score
88
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?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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