calacademy.org 68 C
🛡️ SEO 46 🤖 GEO 80 ⚡ Perf 62 🏗️ Arch 80

calacademy.org — Global SEODiff Score 68/100

calacademy.org
📊

The AI-Readiness profile for calacademy.org is strong: an ACRI of 75/100 places it ahead of 81% of domains in the index. Within the infrastructure vertical, this places calacademy.org above the industry average of 57 —, 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. The 9.2× token bloat ratio falls within the normal range, though there is room to trim navigation, footer, and script overhead. The complete absence of JSON-LD schema is a missed opportunity: even basic Organization markup would improve how AI crawlers understand this domain. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

68
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 4 snapshots
Mar 5 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 16 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)46 × 0.25 = 11.5
🤖 AI Readiness / GEO (40% weight)80 × 0.40 = 32.0
⚡ Performance (20% weight)62 × 0.20 = 12.4
🏗️ Architecture & Trust (15% weight)80 × 0.15 = 12.0
Weighted sum = 11.5 + 32.0 + 12.4 + 12.0
Global SEODiff Score = 68 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
66
Structure
avg 35
0
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 3%
Rank #31742
+16 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

calacademy.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 calacademy.org ranks here

Tech stackDrupal
RenderingSSR
Schema coverage0 blocks
Token bloat9.2×

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

46/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

51 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

146 chars
Good length

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 9
  • ✗ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.calacademy.org/
  • ✓ 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 — California Academy of Sciences
  • ✓ og:description — The California Academy of Sciences is a science museum—and scientific and educational institution—located in San Francisco's Golden Gate Park.
  • ✓ og:image — preview
  • ✓ twitter:card — summary
📐 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

80/100 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 →
calacademy.org
57
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 66/100 — Good
Structured Elements 81 elements (81 lists, 0 rows, 0 headers)
Total Words620
Raw Density13.1%

🏷️ 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

56
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability56/100 — 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

10%
🗑️ 90%
Useful Content (9.8 KB)Bloat (80.1 KB)
Token Bloat Ratio9.2× — Normal

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage10 / 10 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: 89.1% · SNR: 0.12 · Signal: 2509 / Noise: 20513 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 calacademy.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 California Academy of Sciences provides exceptional care and lifelong opportunities for its 60,000 animals, combining animal care, scientific research,
Target Audience
Animal care professionals, zoologists, conservationists, educators, museum visitors, and general public interested in animal welfare and conservation.
Pricing Model
⚠ SEMANTIC VOID
🛡️ Compliance Standards
AZA Accreditation
🏆 Competitive Moat
Comprehensive AZA accreditation, combined with specialized expertise in animal care, conservation breeding programs, and deep-sea exploration, providing a uniquely holistic approach to animal welfare and scientific research.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Template comparison pagesIntegration directory pages
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

FrameworkDrupal
AI-Readiness Score70/100
ServerApache
CDN
HTTP Status200
Load Time1211 ms
Raw HTML Size89.9 KB
Visible Text Size9.8 KB

Performance & Speed

62/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

1211 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

640
DOM nodes
90 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → public, max-age=21600
  • ✗ 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

80/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

87
internal links
11
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 57/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for calacademy.org
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/calacademy.org" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=calacademy.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 98 pages · Deep-10

Homepage ACRI
57
Single-page score
-7
Moderate hidden bloat
Δ delta
Site-Wide ACRI
51
Avg across 98 pages · Range 0–82
Topical Cohesion
19%
Topical Drift
TF-IDF cosine similarity
Total Words
78979
Avg Bloat
35.4×
Page Type ACRI Token Bloat Words Status
https://www.calacademy.org/terms-of-use
Terms of Use - California Academy of Sciences
pricing 82 3.3× 6941 💰 Pricing
https://www.calacademy.org/support/our-donors
We Thank Our Donors - California Academy of Sciences
pricing 77 7.3× 2986 💰 Pricing
https://www.calacademy.org/reopening
Health & Safety at the Academy - California Academy of Sciences
pricing 77 7.7× 2381 💰 Pricing
https://www.calacademy.org/support/join-a-donor-circle
Donor Circles | California Academy of Sciences
pricing 67 11.7× 1882 💰 Pricing
https://www.calacademy.org/support/gift-estate-planning/eastwood-associates
Eastwood Associates - California Academy of Sciences
pricing 67 13.5× 1279 💰 Pricing
https://www.calacademy.org/getting-here
Getting Here - California Academy of Sciences
pricing 67 13.7× 1374 💰 Pricing
https://www.calacademy.org/about-us/animal-care-wellbeing
Animal Care & Wellbeing - California Academy of Sciences
pricing 67 13.9× 1566 💰 Pricing
https://www.calacademy.org/vision-values
Vision & Values - California Academy of Sciences
pricing 67 11.2× 1628 💰 Pricing
https://www.calacademy.org/volunteering-at-the-academy
Become a Volunteer | California Academy of Sciences
pricing 67 12.6× 1966 💰 Pricing
https://www.calacademy.org/penguinspajamas-sleepovers
Penguins+Pajamas Sleepovers - California Academy of Sciences
pricing 67 14.9× 1334 💰 Pricing
https://www.calacademy.org/support/gift-estate-planning/why-make-a-planned-gift
Why Make a Planned Gift? - California Academy of Sciences
pricing 64 19.5× 921 💰 Pricing
https://www.calacademy.org/support/academy-adventures/galapagos
The Galápagos: A Journey by Sea - California Academy of Sciences
pricing 64 15.1× 1589 💰 Pricing
https://www.calacademy.org/support/academy-adventures/south-africa-cape-town-kruger-safari
South Africa: Cape Town & Kruger Safari - California Academy of Sciences
pricing 64 12.5× 1931 💰 Pricing
https://www.calacademy.org/support/academy-adventures/easter-island
Easter Island: Eclipse of a Lifetime - California Academy of Sciences
pricing 64 12.7× 1958 💰 Pricing
https://www.calacademy.org/birthday-parties
Birthday Parties - California Academy of Sciences
pricing 64 15.5× 1298 💰 Pricing
https://www.calacademy.org/diversity-equity-inclusion-access
Diversity, Equity, Inclusion, & Access - California Academy of Sciences
pricing 64 12.2× 2077 💰 Pricing
https://www.calacademy.org/nightlife
NightLife - California Academy of Sciences
pricing 64 15.8× 1240 💰 Pricing
https://www.calacademy.org/support/academy-adventures/costa-rica
Costa Rica: Family Adventures - California Academy of Sciences
pricing 61 15.7× 1499 💰 Pricing
https://www.calacademy.org/support/academy-adventures/baja-california-the-whales-of-magdalena-bay
Baja California: The Whales of Magdalena Bay - California Academy of Sciences
pricing 61 16.1× 1489 💰 Pricing
https://www.calacademy.org/support/academy-adventures/spain-total-solar-eclipse
Spain: Total Solar Eclipse - California Academy of Sciences
pricing 61 16.7× 1422 💰 Pricing
Showing 20 of 98 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
/support/ 43 56 0% 32.1× High JS Bloat
/exhibits/ 6 53 0% 36.2× High JS Bloat
/about-us/ 4 52 0% 42.0× High JS Bloat
/learn-explore/ 4 43 0% 64.6× High JS Bloat
/blogs/ 2 33 1% 88.5× Bot Blocked
/events/ 2 45 0% 76.1× High JS Bloat
/terms-of-use/ 1 82 0% 3.3× Healthy
/pricing/ 1 0 0% 0.0× Low AI Readiness
/scientists/ 1 56 0% 21.4× High JS Bloat
/phenomena/ 1 46 0% 77.1× High JS Bloat
/vision-values/ 1 67 0% 11.2× High JS Bloat
/community-science/ 1 61 0% 19.8× High JS Bloat
/docs/ 1 0 0% 0.0× Low AI Readiness
/youth-programs/ 1 46 0% 62.9× High JS Bloat
/faq/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 98 pages
aza.org ×91
give.calacademy.org ×91
muzemerch.com ×91
biographic.com ×91
instagram.com ×91
bigpicturecompetition.org ×91
bsky.app ×91
facebook.com ×91
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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/calacademy.org

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

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📊 Semantic Share of Voice

How often would an AI cite calacademy.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…

🩹

Remediation Patches

COPY-PASTE

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

Projected Impact

ROI EST.

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

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

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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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