upc.edu 68 C
🛡️ SEO 41 🤖 GEO 83 ⚡ Perf 53 🏗️ Arch 92

upc.edu — Global SEODiff Score 68/100

upc.edu
📊

upc.edu shows strong AI visibility with an ACRI of 75/100, outperforming 81% of indexed domains. Within the education vertical, this places upc.edu above the industry average of 57 —, suggesting strong competitive positioning in AI search. The low ghost ratio (5%) confirms that what crawlers see matches what users see — a hallmark of strong SSR implementation. The 5.1× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. 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.

68
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (41) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 18, 2026 · 📋 API
📈 ACRI Trend 24 snapshots
Feb 22 Mar 5
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than upc.edu?
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)41 × 0.25 = 10.2
🤖 AI Readiness / GEO (40% weight)83 × 0.40 = 33.2
⚡ Performance (20% weight)53 × 0.20 = 10.6
🏗️ Architecture & Trust (15% weight)92 × 0.15 = 13.8
Weighted sum = 10.2 + 33.2 + 10.6 + 13.8
Global SEODiff Score = 68 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
75
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 1%
Rank #14575
+18 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

upc.edu 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 upc.edu ranks here

Tech stackCustom / Proprietary
Industryeducation
RenderingSSR
Schema coverage0 blocks
Token bloat5.1×

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

41/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

47 chars
Good length

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 1
  • ✓ Has <h2> headings — found 46
  • ✓ <h2> not before <h1>

🔍 Indexability

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

🌐 Social / OpenGraph

  • ✗ og:title
  • ✗ og:description
  • ✓ 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

83/100 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 education sector, melbourneschool.com (ACRI: 86) 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 →
upc.edu
64
Your ACRI Score
86
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. melbourneschool.com has schema coverage of 4 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 75/100 — Good
Structured Elements 205 elements (201 lists, 4 rows, 0 headers)
Total Words1209
Raw Density17.0%

🏷️ 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
Low
Crawl Cost
None
Blocklist Risk
Extractability67/100 — 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

19%
🗑️ 81%
Useful Content (23.2 KB)Bloat (94.1 KB)
Token Bloat Ratio5.1× — Normal

Multimodal Readiness

Visual Context52% Optimized for Vision
Image Alt Coverage31 / 60 images have alt text

TDM Rights

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

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 80.2% · SNR: 0.25 · Signal: 5931 / Noise: 24099 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 upc.edu 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
UPC provides university resources and information for students and researchers.
Target Audience
Students, researchers, faculty, and staff at UPC.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
SEMANTIC VOID
📊 Content Depth
3/10
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

AI-Readiness Score50/100
Server
CDN
HTTP Status200
Load Time1726 ms
Raw HTML Size117.3 KB
Visible Text Size23.2 KB

Performance & Speed

53/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1726 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1101
DOM nodes
117 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=0, s-maxage=86400, must-revalidate
  • ✗ 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

92/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.upc.edu/sitemap.xml.gz
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

186
internal links
18
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 → ca
  • ✓ 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 64/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for upc.edu
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/upc.edu" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=upc.edu" 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 135 pages · Deep-10

Homepage ACRI
64
Single-page score
-32
Severe hidden bloat
Δ delta
Site-Wide ACRI
33
Avg across 135 pages · Range 0–77
🔍
Hidden Bloat Detected

Homepage scores 64, but internal pages average only 33 — a -32-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
3%
Topical Drift
TF-IDF cosine similarity
Total Words
19125
Avg Bloat
574.7×
Page Type ACRI Token Bloat Words Status
https://www.upc.edu/es/sala-de-prensa/noticias/entregado-27-premio-upc-ciencia-ficcion
Entregado el Premio UPC de Ciencia Ficción Miquel Barceló a los escritores Miguel Ángel López Muñoz y Raúl Gonzálvez del Águila - UPC Universitat Politècnica de Catalunya
other 77 8.5× 2540
https://www.upc.edu/ca/sala-de-premsa/noticies/dissenyen-un-catalitzador-per-obtenir-productes-quimics-industrials-a-partir-de-gasos-efecte-hivernacle
Dissenyen un catalitzador per obtenir productes químics industrials a partir de gasos d’efecte hivernacle - UPC Universitat Politècnica de Catalunya
product 67 17.9× 1164
https://www.upc.edu/es/sala-de-prensa/noticias/cientificos-e-instituciones-se-unen-para-conservar-el-amazonas
Científicos e instituciones se unen para conservar el Amazonas - UPC Universitat Politècnica de Catalunya
pricing 67 19.7× 898 💰 Pricing
https://www.upc.edu/en/press-room/news/150-years-of-architectural-education-in-barcelona-on-display
150 years of architectural education in Barcelona on display - UPC Universitat Politècnica de Catalunya
pricing 67 17.2× 1008 💰 Pricing
https://www.upc.edu/es/sala-de-prensa/noticias/ferran-adria-la-investigacion-puede-tener-un-impacto-real-en-la-empresa-y-en-la-sociedad
Ferran Adrià: "La investigación puede tener un impacto real en la empresa y en la sociedad" - UPC Universitat Politècnica de Catalunya
other 67 18.0× 1104
https://www.upc.edu/es/sala-de-prensa/noticias/una-nueva-estrategia-operativa-para-la-monitorizacion-marina-a-medida
Una nueva estrategia operativa para la monitorización marina 'a medida' - UPC Universitat Politècnica de Catalunya
pricing 67 15.7× 1233 💰 Pricing
https://www.upc.edu/ca/sala-de-premsa/noticies/en-marxa-el-nou-servei-alumni
En marxa el nou servei Alumni - UPC Universitat Politècnica de Catalunya
pricing 62 27.0× 637 💰 Pricing
https://www.upc.edu/ca/unite/noticies/es-presenten-les-primers-sessions-del-unite-networking-hub-per-a-pdi-i-ptgas-de-les-universitats-de-l2019alianca
Es presenten les primeres sessions del Unite! Networking Hub per a PDI I PTGAS de les universitats de l’aliança - UPC Universitat Politècnica de Catalunya
pricing 62 30.5× 583 💰 Pricing
https://www.upc.edu/ca/sala-de-premsa/noticies/app-coneixer-risc-habitatges-incendis-forestals
Una 'app' per conèixer el risc dels habitatges davant dels incendis forestals - UPC Universitat Politècnica de Catalunya
other 62 22.1× 822
https://www.upc.edu/ca/unite/noticies/dos-estudiants-de-la-upc-guardonats-amb-els-premis-unite
Dos estudiants de la UPC, guardonats amb els Premis Unite! - UPC Universitat Politècnica de Catalunya
other 62 24.7× 704
https://www.upc.edu/ca/sala-de-premsa/noticies/adhesio-upc-jornada-protestes-davant-situacio-humanitaria-poble-palesti
La UPC s'adhereix a la jornada de protesta davant de la situació humanitària del poble palestí - UPC Universitat Politècnica de Catalunya
other 59 33.1× 553
https://www.upc.edu/en/press-room/news/using-ai-to-decode-the-mechanisms-that-enable-plants-to-adapt-to-climate-change
Using AI to decodeing the mechanisms that enable plants to adapt to climate change - UPC Universitat Politècnica de Catalunya
pricing 59 27.8× 643 💰 Pricing
https://www.upc.edu/ca/sala-de-premsa/noticies/la-upc-lidera-amb-unite-un-projecte-pegats-intel-ligents-alliberament-controlat-farmacs
La UPC lidera amb Unite! un projecte per desenvolupar pegats intel·ligents per a l’alliberament controlat de fàrmacs - UPC Universitat Politècnica de Catalunya
other 59 30.7× 618
https://www.upc.edu/ca/sala-de-premsa/noticies-pdi-ptgas/tapers-a-la-uni-amb-ada-parellada-i-maria-nicolau
Tàpers a la uni! — UPCArts — UPC. Universitat Politècnica de Catalunya
other 57 28.7× 249
https://www.upc.edu/es/sala-de-prensa/noticias/tecnologia-y-capacidades-upc-en-la-feria-de-la-industria-audiovisual-ise
ISE UPC 2026 – ISE UPC
pricing 54 171.7× 215 💰 Pricing
https://www.upc.edu/en/contact/useful-contacts
Useful contacts - UPC Universitat Politècnica de Catalunya
support 49 46.2× 343
https://www.upc.edu/es/sala-de-prensa/noticias/inauguracion-de-la-remodelacion-de-la-biblioteca-de-la-epsevg
Inauguración de la remodelación de la biblioteca de la UPC de Vilanova — Escuela Politécnica Superior de Ingeniería de Vilanova i la Geltrú. EPSEVG — UPC. Universitat Politècnica de Catalunya
other 49 43.8× 370
https://www.upc.edu/ca/sala-de-premsa/noticies/inauguracio-de-la-remodelacio-de-la-biblioteca-de-lepsevg
Inauguració de la remodelació de la biblioteca de la UPC de Vilanova — Escola Politècnica Superior d'Enginyeria de Vilanova i la Geltrú. EPSEVG — UPC. Universitat Politècnica de Catalunya
other 49 42.8× 378
https://www.upc.edu/ca/sala-de-premsa/noticies/comunicat-alerta-ventades-12-febrer
Comunicat en relació amb l'alerta per ventades del 12 de febrer - UPC Universitat Politècnica de Catalunya
other 49 64.7× 257
https://www.upc.edu/ca/sala-de-premsa/noticies/visita-al-techlab-manresa
Visita al TechLab Manresa - UPC Universitat Politècnica de Catalunya
other 49 50.4× 342
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
/ca/ 104 33 0% 694.8× High JS Bloat
/es/ 12 50 0% 183.3× High JS Bloat
/en/ 9 42 0% 347.7× High JS Bloat
/features/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/contact/ 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 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/blog/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 135 pages
bsky.app ×123
facebook.com ×123
linkedin.com ×123
instagram.com ×121
directori.upc.edu ×121
youtube.com ×120
time-association.org ×117
play.google.com ×117
🔄 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/upc.edu

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

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📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for upc.edu:

Current Score
75
Projected Score
91
Improvement
+16 pts
Add Organization schema +6 pts
Add WebSite schema +4 pts
Reduce token bloat +3 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
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