elecfans.com 65 C
🛡️ SEO 46 🤖 GEO 84 ⚡ Perf 46 🏗️ Arch 69

elecfans.com — Global SEODiff Score 65/100

elecfans.com
📊

elecfans.com shows strong AI visibility with an ACRI of 76/100, outperforming 83% of indexed domains. Compared to other infrastructure sites (avg score: 57), elecfans.com performs above the benchmark, 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. The token bloat ratio sits at a lean 2.1×, meaning the ratio of code to visible content is efficient — crawlers spend their token budget on actual information. The complete absence of JSON-LD schema is a missed opportunity: even basic Organization markup would improve how AI crawlers understand this domain. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

65
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (46) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 30 snapshots
Feb 22 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 20 Content change detected
🔄 Mar 20 Content change detected
🔄 Mar 18 Content change detected
🔄 Mar 16 Content change detected
Does your site score higher than elecfans.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)46 × 0.25 = 11.5
🤖 AI Readiness / GEO (40% weight)84 × 0.40 = 33.6
⚡ Performance (20% weight)46 × 0.20 = 9.2
🏗️ Architecture & Trust (15% weight)69 × 0.15 = 10.3
Weighted sum = 11.5 + 33.6 + 9.2 + 10.3
Global SEODiff Score = 65 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
78
Structure
avg 35
0
Schema
avg 9
55
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 2%
Rank #22714
+15 pts
Gap
AI (ACRI)
Top 17%
Score 76/100

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

Why elecfans.com ranks here

Tech stackExpress
RenderingSSR
Schema coverage0 blocks
Token bloat2.1×

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

46/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

15 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

193 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 5
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✗ Canonical tag present
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → zh-cmn-Hans
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✗ og:title
  • ✗ og:description
  • ✗ og:image
  • ✗ 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 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 →
elecfans.com
67
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 5%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 78/100 — Good
Structured Elements 302 elements (299 lists, 3 rows, 0 headers)
Total Words1643
Raw Density18.4%

🏷️ 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

68
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability68/100 — AI models can partially extract answers from this page
Crawl CostMedium (50/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

47%
🗑️ 53%
Useful Content (124.6 KB)Bloat (136.8 KB)
Token Bloat Ratio2.1× — Lean

Multimodal Readiness

Visual Context16% Optimized for Vision
Image Alt Coverage32 / 198 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Only 16% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

73 Entropy
Good Token Bloat: Low
Noise Ratio: 52.3% · SNR: 0.91 · Signal: 31901 / Noise: 35019 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 elecfans.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
Electronic Fans is a comprehensive online platform for electronics enthusiasts, providing a vast library of technical resources, including schematics, component
Target Audience
Electronics engineers, hobbyists, students, and anyone involved in electronics design and development.
Pricing Model
Membership-based with tiered access to premium content and features (VIP membership).
🏆 Competitive Moat
Large and actively maintained database of electronic components and schematics, combined with a strong community forum and educational resources.
📊 Content Depth
7/10
🔄 Programmatic SEO Signals
Website mapCategory pages (Design Technology, etc.)
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

FrameworkExpress
AI-Readiness Score55/100
Servernginx
CDN
HTTP Status200
Load Time582 ms
Raw HTML Size261.4 KB
Visible Text Size124.6 KB

Performance & Speed

46/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

582 ms
Acceptable — room for improvement

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

📦 Page Weight

3143
DOM nodes
261 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

69/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

773
internal links
31
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-cmn-Hans
  • ✓ 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 elecfans.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/elecfans.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=elecfans.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 118 pages · Deep-10

Homepage ACRI
67
Single-page score
-11
Moderate hidden bloat
Δ delta
Site-Wide ACRI
56
Avg across 118 pages · Range 0–62
🔍
Hidden Bloat Detected

Homepage scores 67, but internal pages average only 56 — a -11-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
97225
Avg Bloat
25.2×
Page Type ACRI Token Bloat Words Status
https://www.elecfans.com/article/88/131/ctrlsc/light
调光电路图-电子发烧友网
pricing 62 26.2× 981 💰 Pricing
https://www.elecfans.com/article/88/131/yl
医疗电子电路-电子发烧友网
pricing 62 29.3× 977 💰 Pricing
https://www.elecfans.com/article/dianqi
电气技术-电子发烧友网
pricing 62 26.0× 980 💰 Pricing
https://www.elecfans.com/article/vendor/sale
卖家发布专栏-电子发烧友网
pricing 62 26.0× 950 💰 Pricing
https://www.elecfans.com/article/vendor/buy
买家发布专栏-电子发烧友网
pricing 62 24.5× 955 💰 Pricing
https://www.elecfans.com/article/vendor
供求信息频道-电子发烧友网
pricing 62 26.0× 948 💰 Pricing
https://www.elecfans.com/article/89/169
电子制作-电子发烧友网
pricing 62 31.7× 930 💰 Pricing
https://www.elecfans.com/article/89/140
焊接与组装-电子发烧友网
pricing 62 30.8× 899 💰 Pricing
https://www.elecfans.com/article/89/139
环境处理-电子发烧友网
pricing 62 29.1× 912 💰 Pricing
https://www.elecfans.com/article/89/92
PCB制造相关-电子发烧友网
pricing 62 30.9× 944 💰 Pricing
https://www.elecfans.com/article/89/91
工艺综述-电子发烧友网
pricing 62 27.7× 1030 💰 Pricing
https://www.elecfans.com/article/89
制造技术_封装技术_半导体制造-电子发烧友网
pricing 62 29.5× 973 💰 Pricing
https://www.elecfans.com/article/88/143
工控新闻-电子发烧友网
pricing 62 29.5× 1013 💰 Pricing
https://www.elecfans.com/article/88/142
传感器_mems技术-电子发烧友网
pricing 62 30.2× 972 💰 Pricing
https://www.elecfans.com/article/88/131/ctrlsc
可控硅电路图-电子发烧友网
pricing 62 27.0× 1005 💰 Pricing
https://www.elecfans.com/article/88/131/meter
电工仪表电路图-电子发烧友网
pricing 62 26.6× 1015 💰 Pricing
https://www.elecfans.com/article/88/129
AD技术-电子发烧友网
pricing 62 27.8× 1100 💰 Pricing
https://www.elecfans.com/article/88/131/shimin
湿敏电路-电子发烧友网
pricing 62 26.2× 871 💰 Pricing
https://www.elecfans.com/article/88/131/qimin
气敏传感器电路-电子发烧友网
pricing 62 25.9× 976 💰 Pricing
https://www.elecfans.com/article/88/131/micro
微波炉电路图-电子发烧友网
pricing 62 25.0× 1046 💰 Pricing
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
/article/ 100 62 0% 27.8× High JS Bloat
/guide/ 7 53 0% 20.4× High JS Bloat
/features/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 52 0% 26.4× High JS Bloat
/products/ 1 0 0% 0.0× Low AI Readiness
/soft/ 1 57 0% 19.5× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
🔄 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/elecfans.com

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
elecfans.com (this site) 67 76 Express 2.1× 0
sos-ricambi.it 86 94 Express 2.6× 13 Compare →
sos-accessoire.com 86 93 Express 2.6× 13 Compare →
sos-zubehoer.de 88 95 Express 2.6× 13 Compare →
jagoanchetslot.com 87 92 Express 6.5× 8 Compare →
driphydration.com 86 95 WordPress 1.9× 2 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

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

Current Score
76
Projected Score
89
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).

Is this your company?

Monitor your AI visibility score weekly and get alerted when changes happen.

Start Free →

🧭 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 →