umbrasearch.org 64 C
🛡️ SEO 39 🤖 GEO 68 ⚡ Perf 80 🏗️ Arch 73

umbrasearch.org — Global SEODiff Score 64/100

umbrasearch.org
📊

At 64/100, umbrasearch.org falls in the moderate bracket of AI-Readiness, suggesting its content is partially accessible to AI systems but not fully optimized. While the majority of content is server-rendered, the 15% ghost ratio suggests some content remains hidden from static crawlers. A 6.7× 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 allows access to some AI bots but restricts others, creating an uneven visibility profile across AI-powered services.

64
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (39) is your bottleneck.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 11 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 20 Content change detected
🔄 Mar 19 Content change detected
📉 Mar 16 ACRI -1 (45→44)
📈 Mar 11 ACRI +1 (44→45)
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)39 × 0.25 = 9.8
🤖 AI Readiness / GEO (40% weight)68 × 0.40 = 27.2
⚡ Performance (20% weight)80 × 0.20 = 16.0
🏗️ Architecture & Trust (15% weight)73 × 0.15 = 10.9
Weighted sum = 9.8 + 27.2 + 16.0 + 10.9
Global SEODiff Score = 64 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
80
Bot Access
avg 92
94
Rendering
avg 93
57
Structure
avg 35
0
Schema
avg 9
50
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 50%+
Rank #618993
-14 pts
Gap
AI (ACRI)
Top 47%
Score 64/100

umbrasearch.org is more visible to Google than to AI models. There's room to improve AI discoverability to match your search reputation. ACRI measures technical crawler readiness. Read the methodology →

Why umbrasearch.org ranks here

Tech stackCustom / Proprietary
Industry
RenderingHybrid
Schema coverage0 blocks
Token bloat6.7×

Fastest improvements

  • Allow ClaudeBot (many assistants rely on it) — blocking it often correlates with “AI invisibility.”
  • 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

39/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

37 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 0
  • ✓ <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
  • ✗ 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

68/100 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.

🚨

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)
Blocked
CCBot (Common Crawl)
Allowed
Google-Extended
Allowed
Googlebot
Allowed
💡ClaudeBot is blocked. To be cited by Claude, allow ClaudeBot in robots.txt.

👻 Rendering (Ghost Ratio) Docs

Ghost Ratio 15%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type Hybrid

📊 Structure & Information Density Docs

Structure Grade 57/100 — Fair
Structured Elements 18 elements (18 lists, 0 rows, 0 headers)
Total Words182
Raw Density9.9%

🏷️ 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
Low
Blocklist Risk
Extractability56/100 — AI models can partially extract answers from this page
Crawl CostLow (10/100) — efficient for AI crawlers to process
Blocklist RiskLow — 1 of 5 AI crawlers blocked

Token Bloat Research

14%
🗑️ 86%
Useful Content (2.2 KB)Bloat (12.8 KB)
Token Bloat Ratio6.7× — Normal

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage1 / 1 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: 85.2% · SNR: 0.17 · Signal: 572 / Noise: 3282 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 umbrasearch.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
Umbra Search provides a free widget and search tool for African American history, utilizing digitized materials from libraries and archives.
Target Audience
Educators, students, researchers, librarians, and the general public interested in African American history.
Pricing Model
Free to use; funding supported by grants and foundations.
🏆 Competitive Moat
Unique aggregation of digitized African American historical materials and a strong community-based approach.
📊 Content Depth
5/10
⚡ Key Pain Points
• Limited SEO signals beyond basic website structure
Analyzed by SEODiff AI · 2026-03-28

🔧 Tech Stack

AI-Readiness Score50/100
Servernginx/1.20.1
CDN
HTTP Status200
Load Time620 ms
Raw HTML Size15.1 KB
Visible Text Size2.2 KB

Performance & Speed

80/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

620 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

216
DOM nodes
15 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=0, private, must-revalidate
  • ✗ 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

73/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

16
internal links
8
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 44/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

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

Homepage ACRI
44
Single-page score
-38
Severe hidden bloat
Δ delta
Site-Wide ACRI
7
Avg across 10 pages · Range 0–67
🔍
Hidden Bloat Detected

Homepage scores 44, but internal pages average only 7 — a -38-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Total Words
369
Avg Bloat
0.7×
Page Type ACRI Token Bloat Words Status
https://umbrasearch.org/about
Umbra Search African American History
about 67 6.8× 369
https://umbrasearch.org/pricing pricing 0 0.0× 0
https://umbrasearch.org/products product 0 0.0× 0
https://umbrasearch.org/features product 0 0.0× 0
https://umbrasearch.org/blog blog 0 0.0× 0
https://umbrasearch.org/docs docs 0 0.0× 0
https://umbrasearch.org/case-studies social-proof 0 0.0× 0
https://umbrasearch.org/contact support 0 0.0× 0
https://umbrasearch.org/integrations integrations 0 0.0× 0
https://umbrasearch.org/faq support 0 0.0× 0
📂
Health by Sub-Directory
Average ACRI and top issues aggregated by URL path prefix
Path Pages Avg ACRI Ghost % Bloat Top Issue
/about/ 1 67 0% 6.8× High JS Bloat
/products/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 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
/features/ 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
/blog/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 10 pages
imls.gov ×1
z.umn.edu ×1
continuum.umn.edu ×1
clir.org ×1
docs.google.com ×1
dp.la ×1
penumbratheatre.org ×1
umbrasearchblog.org ×1
🔄 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/umbrasearch.org

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

🔗 Similar Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
umbrasearch.org (this site) 44 64 Custom / Proprietary 6.7× 0
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📊 Semantic Share of Voice

How often would an AI cite umbrasearch.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 umbrasearch.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": "Umbrasearch",
  "url": "https://umbrasearch.org",
  "logo": "https://umbrasearch.org/assets/favicon-1abc51aa7d9ffb413d04322debba9ea075c33f21cd91a08fb22316aa8782a5e0.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": "Umbrasearch",
  "url": "https://umbrasearch.org",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://umbrasearch.org/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Allow ClaudeBot in robots.txt
Medium Impact ⏱ 2 min
ClaudeBot is restricted — Claude may not be able to cite your content. Many AI assistants rely on it.
text
User-agent: ClaudeBot
Allow: /

User-agent: anthropic-ai
Allow: /
📈

Projected Impact

ROI EST.

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

Current Score
64
Projected Score
82
Improvement
+18 pts
Allow ClaudeBot +5 pts
Add Organization schema +6 pts
Add WebSite schema +4 pts
Reduce token bloat +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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