raspberrypi.org 71 B
🛡️ SEO 50 🤖 GEO 79 ⚡ Perf 74 🏗️ Arch 82

raspberrypi.org — Global SEODiff Score 71/100

raspberrypi.org
📊

raspberrypi.org shows strong AI visibility with an ACRI of 72/100, outperforming 73% of indexed domains. Compared to other infrastructure sites (avg score: 57), raspberrypi.org performs above the benchmark, suggesting strong competitive positioning in AI search. The low ghost ratio (0%) confirms that what crawlers see matches what users see — a hallmark of strong SSR implementation. A 5.6× bloat ratio is typical for sites in this tech tier — not wasteful, but streamlining could further boost extractability. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

71
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (50) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 19, 2026 · 📋 API
📈 ACRI Trend 26 snapshots
Feb 22 Mar 19
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than raspberrypi.org?
Run the same 40-signal audit on your own domain — free, instant results.
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)50 × 0.25 = 12.5
🤖 AI Readiness / GEO (40% weight)79 × 0.40 = 31.6
⚡ Performance (20% weight)74 × 0.20 = 14.8
🏗️ Architecture & Trust (15% weight)82 × 0.15 = 12.3
Weighted sum = 12.5 + 31.6 + 14.8 + 12.3
Global SEODiff Score = 71 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
50
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 0.4%
Rank #4188
+27 pts
Gap
AI (ACRI)
Top 27%
Score 72/100

raspberrypi.org 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 raspberrypi.org ranks here

Tech stackRuby on Rails
RenderingSSR
Schema coverage0 blocks
Token bloat5.6×

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

50/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

55 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

145 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 8
  • ✓ <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 — Teach, learn, and make with the Raspberry Pi Foundation
  • ✓ og:description — We are a charity with the mission to enable young people to realise their full potential through the power of computing and digital technologies.
  • ✓ og:image — preview
  • ✓ twitter:card — summary_large_image
📐 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

79/100 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 →
raspberrypi.org
54
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 0%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 50/100 — Fair
Structured Elements 60 elements (60 lists, 0 rows, 0 headers)
Total Words805
Raw Density7.4%

🏷️ 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

58
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability58/100 — 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

17%
🗑️ 83%
Useful Content (12.7 KB)Bloat (58.3 KB)
Token Bloat Ratio5.6× — Normal

Multimodal Readiness

Visual Context53% Optimized for Vision
Image Alt Coverage8 / 15 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: 82.1% · SNR: 0.22 · Signal: 3259 / Noise: 14937 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 raspberrypi.org 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
The Raspberry Pi Foundation empowers young people to learn about computing and digital technologies through curriculum, resources, and training.
Target Audience
Students, educators, youth organizations, young people interested in technology and digital literacy.
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Comprehensive approach to computing education and digital literacy for young people, fostering critical thinking and ethical technology use.
📊 Content Depth
6/10
⚡ Key Pain Points
• Lack of structured resources for teaching computing
• Need for curriculum and training for educators
Analyzed by SEODiff AI · 2026-03-04

🔧 Tech Stack

FrameworkRuby on Rails
AI-Readiness Score70/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time522 ms
Raw HTML Size71.1 KB
Visible Text Size12.7 KB

Performance & Speed

74/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

522 ms
Acceptable — room for improvement

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

📦 Page Weight

517
DOM nodes
71 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → private, max-age=300, must-revalidate
  • ✓ CDN cache status → HIT
  • ✓ 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

82/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.raspberrypi.org/sitemap_index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

62
internal links
23
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 54/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for raspberrypi.org
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/raspberrypi.org" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=raspberrypi.org" 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 235 pages · Deep-10

Homepage ACRI
54
Single-page score
+17
Subpages outperform homepage
Δ delta
Site-Wide ACRI
71
Avg across 235 pages · Range 0–90
Topical Cohesion
20%
Topical Drift
TF-IDF cosine similarity
Total Words
344408
Avg Bloat
25.8×
RAG Fractures [?]
2
⚠️
2 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 2 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.raspberrypi.org/blog/astro-pi-mission-update-4/
Astro Pi: Mission Update 4 - Raspberry Pi Foundation
pricing 90 9.3× 3487 💰 Pricing
https://www.raspberrypi.org/blog/bbc-make-it-digital/
BBC Make it Digital - Raspberry Pi Foundation
pricing 90 8.9× 5028 💰 Pricing
https://www.raspberrypi.org/blog/computer-science-added-to-ebacc/
Computer Science added to EBacc - Raspberry Pi Foundation
pricing 90 8.4× 5086 💰 Pricing
https://www.raspberrypi.org/blog/new-cambridge-gcse-computing-preview/
A preview of the new Cambridge GCSE Computing Online! - Raspberry Pi Foundation
pricing 90 6.9× 7327 💰 Pricing
https://www.raspberrypi.org/blog/bens-mega-usa-tour/
Ben's Mega USA Tour - Raspberry Pi Foundation
pricing 90 6.4× 7747 💰 Pricing
https://www.raspberrypi.org/blog/code-club-pro/
Code Club Pro: a training programme to support primary school teachers - Raspberry Pi Foundation
pricing 90 8.8× 4047 💰 Pricing
https://www.raspberrypi.org/blog/what-does-a-good-computing-classroom-look-like/
What does a good computing classroom look like? - Raspberry Pi Foundation
pricing 90 8.5× 3879 💰 Pricing
https://www.raspberrypi.org/blog/astro-pi-mission-update-1/
Astro Pi: Mission Update 1 - Raspberry Pi Foundation
pricing 90 9.9× 3424 💰 Pricing
https://www.raspberrypi.org/blog/school-weather-station-project/
Raspberry Pi Weather Station for schools - Raspberry Pi Foundation
pricing 90 7.1× 14197 ⚠️ RAG Fracture
https://www.raspberrypi.org/blog/skycademy-free-high-altitude-cpd/
Skycademy - Free High Altitude CPD - Raspberry Pi Foundation
pricing 90 10.0× 3251 💰 Pricing
https://www.raspberrypi.org/blog/a-new-version-of-scratch-for-raspberry-pi-now-with-added-gpio/
New Scratch for Raspberry Pi: now with added GPIO
pricing 90 9.4× 3703 💰 Pricing
https://www.raspberrypi.org/blog/cas-educational-manual/
CAS Raspberry Pi Educational Manual - Raspberry Pi Foundation
pricing 80 10.7× 4168 💰 Pricing
https://www.raspberrypi.org/blog/introducing-a-newish-face/
Introducing a new(ish) face - Raspberry Pi Foundation
pricing 80 13.7× 2420 💰 Pricing
https://www.raspberrypi.org/blog/picademy-3-report/
Picademy 3. A report of some note: and how you can be at Picademy 4 - Raspberry Pi Foundation
blog 80 11.8× 2608
https://www.raspberrypi.org/blog/skycademy-balloons-everywhere/
Skycademy - Balloons Everywhere! - Raspberry Pi Foundation
pricing 80 12.3× 2405 💰 Pricing
https://www.raspberrypi.org/blog/astro-pi-mission-update-5-flight-safety-testing/
Astro Pi: Mission Update 5 - flight safety testing - Raspberry Pi Foundation
pricing 80 10.0× 3338 💰 Pricing
https://www.raspberrypi.org/blog/raspberry-pi-in-schools/
Raspberry Pi in schools - Raspberry Pi Foundation
pricing 80 11.9× 2469 💰 Pricing
https://www.raspberrypi.org/blog/15000-raspberry-pis-for-uk-schools-thanks-google/
15,000 Raspberry Pis for UK schools - thanks Google! - Raspberry Pi Foundation
pricing 80 11.3× 5223 💰 Pricing
https://www.raspberrypi.org/blog/high-altitude-ballooning-sixth-form-style/
High Altitude Ballooning, sixth-form style - Raspberry Pi Foundation
pricing 80 12.2× 3163 ⚠️ RAG Fracture
https://www.raspberrypi.org/blog/github-goes-to-school/
GitHub goes to school - Raspberry Pi Foundation
pricing 80 13.4× 2378 💰 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
/blog/ 227 73 0% 26.0× High JS Bloat
/about/ 1 64 0% 45.0× High JS Bloat
/contact/ 1 54 0% 103.9× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 235 pages
facebook.com ×229
codeclub.org ×229
experience-cs.org ×229
adacomputerscience.org ×229
youtube.com ×229
projects.raspberrypi.org ×229
online.coolestprojects.org ×227
astro-pi.org ×227
🔄 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/raspberrypi.org

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 raspberrypi.org. Compare side-by-side.

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📊 Semantic Share of Voice

How often would an AI cite raspberrypi.org 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

B 3 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.

64
Homepage ACRI
54
Inner Avg ACRI
+10
ACRI Delta
40%
Homepage Ghost
40%
Inner Avg Ghost
12
Drift Score [?]
Worst Inner Pages
54 40% pricing https://raspberrypi.org/blog
54 40% support https://raspberrypi.org/contact
🛡️

E-E-A-T Trust Signals

B 60/100

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
Address: 37 Hills Road, Cambridge, CB2 1NT Downloads Annual Review and Accounts 2024 The Foundation's
🔗

Citation Profile

14 DOMAINS

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

38
Total Links
14
Unique Domains
12.7
Avg/Page
37%
Diversity
linkedin.com astro-pi.org adacomputerscience.org experience-cs.org youtube.com projects.raspberrypi.org codeclub.org facebook.com instagram.com x.com
🏘️ Outbound Neighborhood Trust Avg Trust: 46.0

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

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to raspberrypi.org. 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": "Raspberrypi",
  "url": "https://raspberrypi.org",
  "logo": "https://raspberrypi.org/assets/application/favicon-1566f7afd7b4d29c55e92f32633f3b7542fa6846a51b912349ca6be790e7907b.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": "Raspberrypi",
  "url": "https://raspberrypi.org",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://raspberrypi.org/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 Raspberrypi?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Raspberrypi does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Raspberrypi work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Raspberrypi."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for raspberrypi.org:

Current Score
72
Projected Score
88
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
🔍 Found indexing issues?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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