thearc.org 64 C
🛡️ SEO 52 🤖 GEO 68 ⚡ Perf 59 🏗️ Arch 80

thearc.org — Global SEODiff Score 64/100

thearc.org
📊

thearc.org shows strong AI visibility with an ACRI of 79/100, outperforming 91% of indexed domains. In the infrastructure sector, thearc.org outperforms the average (57), suggesting strong competitive positioning in AI search. Its server-rendered architecture ensures AI crawlers receive complete HTML on first request, a key advantage for extractability. A 30.0× token bloat ratio means crawlers must process significantly more tokens to reach the actual content — a drag on extraction efficiency. Minimal structured data (1 block) limits the site's ability to communicate entity relationships to AI systems. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

64
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (52) is your bottleneck.
🎯 Top Fix: Reduce token bloat (30×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 20, 2026 · 📋 API
📈 ACRI Trend 4 snapshots
Mar 1 Mar 20
🔔 Recent AI Indexing Activity
📈 Mar 17 ACRI +1 (63→64)
🔄 Mar 12 Content change detected
Does your site score higher than thearc.org?
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)52 × 0.25 = 13.0
🤖 AI Readiness / GEO (40% weight)68 × 0.40 = 27.2
⚡ Performance (20% weight)59 × 0.20 = 11.8
🏗️ Architecture & Trust (15% weight)80 × 0.15 = 12.0
Weighted sum = 13.0 + 27.2 + 11.8 + 12.0
Global SEODiff Score = 64 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
74
Structure
avg 35
2
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 10%
Rank #98661
Aligned
Gap
AI (ACRI)
Top 9%
Score 79/100

thearc.org has balanced Google and AI visibility — both rank roughly in the same tier. ACRI measures technical crawler readiness. Read the methodology →

Why thearc.org ranks here

Tech stackWordPress
RenderingSSR
Schema coverage1 blocks
Token bloat30.0×

Fastest improvements

  • 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

52/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

70 chars
Too long

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

282 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 19
  • ✗ Has <h2> headings — found 0
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://thearc.org/home/
  • ✓ No noindex directive
  • ✓ Meta viewport set
  • ✓ HTML lang attribute → en-US
  • ➖ Hreflang tags — N/A (single language site)
  • ✓ Googlebot allowed by robots.txt

🌐 Social / OpenGraph

  • ✓ og:title — The Arc of the United States | Disability Rights, Advocacy & Inclusion
  • ✓ og:description — The Arc of the United States is the nation's leading nonprofit advancing the rights and inclusion of people with intellectual and developmental disabilities (IDD). Explore our programs, advocacy, and resources that promote community participation, equality, and opportunity for all.
  • ✗ og:image
  • ✓ 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

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.

🔗

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 →
thearc.org
64
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 74/100 — Good
Structured Elements 165 elements (165 lists, 0 rows, 0 headers)
Total Words1000
Raw Density16.5%

🏷️ Schema Health Docs

Organization Schema ❌ Missing
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 block(s) — Basic (low value for AI)

Schema Coverage Map

2/7 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.
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.

📐 AI Efficiency Metrics Docs

51
AI Extractability
High
Crawl Cost
None
Blocklist Risk
Extractability51/100 — AI models can partially extract answers from this page
Crawl CostHigh (70/100) — expensive for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

3%
🗑️ 97%
Useful Content (9.1 KB)Bloat (264.7 KB)
Token Bloat Ratio30.0× — Heavy

Multimodal Readiness

Visual Context45% Optimized for Vision
Image Alt Coverage22 / 49 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 273.9 KB, but only 9.1 KB is text. 3% useful / 97% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (30.0×) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.
💡Only 45% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 96.7% · SNR: 0.03 · Signal: 2340 / Noise: 67766 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 thearc.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 Arc provides resources and advocacy support for individuals with intellectual and developmental disabilities and their families, focusing on promoting
Target Audience
Parents of children with disabilities, educators, disability advocates, individuals with disabilities, and their families.
Pricing Model
⚠ SEMANTIC VOID
🔗 Integration Partners
SlackYouTubeTwitterLinkedIn
🛡️ Compliance Standards
IDEASection 504
🏆 Competitive Moat
The Arc’s deep understanding of disability rights law, combined with its extensive network of chapters and advocates, creates a strong barrier to entry and a robust ecosystem of support.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Integration directory pagesTemplate comparison pagesBlog posts on IEP rights and advocacy
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for some features
• Need for improved accessibility of website content
Analyzed by SEODiff AI · 2026-03-05

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time700 ms
Raw HTML Size273.9 KB
Visible Text Size9.1 KB

Performance & Speed

59/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

700 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1289
DOM nodes
274 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=600, must-revalidate
  • ✓ CDN cache status → DYNAMIC
  • ✓ 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

80/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

168
internal links
12
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-US
  • ✓ 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 thearc.org
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/thearc.org" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=thearc.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 44 pages · Deep-10

Homepage ACRI
64
Single-page score
-13
Moderate hidden bloat
Δ delta
Site-Wide ACRI
52
Avg across 44 pages · Range 0–72
🔍
Hidden Bloat Detected

Homepage scores 64, but internal pages average only 52 — a -13-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
5%
Topical Drift
TF-IDF cosine similarity
Total Words
18959
Avg Bloat
71.6×
Page Type ACRI Token Bloat Words Status
https://thearc.org/blog
Blog - The Arc
pricing 72 22.2× 2123 💰 Pricing
https://thearc.org/blog/another-sli-come-gone/
Another SLI has Come and Gone! - The Arc
pricing 69 51.1× 768 💰 Pricing
https://thearc.org/blog/the-arcs-heart-breaks-for-victims-in-san-bernardino/
The Arc’s Heart Breaks for Victims in San Bernardino - The Arc
pricing 69 64.6× 607 💰 Pricing
https://thearc.org/blog/presidents-day-recess-advocacy-tools/
President’s Day Recess Advocacy Tools - The Arc
pricing 69 76.6× 509 💰 Pricing
https://thearc.org/blog/promoting-accessible-technology-seniors-users-abilities/
Promoting Accessible Technology for Seniors and Users of All Abilities - The Arc
pricing 69 74.6× 525 💰 Pricing
https://thearc.org/blog/marty-ford-honored-aaidd-public-policy-award/
Marty Ford Honored with AAIDD Public Policy Award - The Arc
pricing 69 66.2× 589 💰 Pricing
https://thearc.org/blog/the-arc-expands-talk-about-sexual-violence-project-to-focus-on-men-with-disabilities/
The Arc Expands “Talk About Sexual Violence” Project to Focus on Men With Disabilities - The Arc
pricing 69 50.0× 797 💰 Pricing
https://thearc.org/blog/join-the-national-siblings-council-or-national-council-of-self-advocates-as-an-officer/
Join the National Siblings Council or National Council of Self-Advocates as an Officer! - The Arc
pricing 69 51.0× 778 💰 Pricing
https://thearc.org/blog/introducing-the-direct-support-professional-workforce-development-dsp-toolkit/
Introducing the Direct Support Professional Workforce Development (DSP) Toolkit - The Arc
pricing 59 91.5× 428 💰 Pricing
https://thearc.org/blog/child-syndrome-expelled-daycare-failure-reach-toilet-training-milestone/
Child with Down Syndrome Expelled from Daycare for Failure to Reach Toilet Training Milestone - The Arc
pricing 59 82.5× 475 💰 Pricing
https://thearc.org/blog/going-live-join-us-facebook-discussion-nprs-joe-shapiro/
We’re Going Live! Join us on Facebook for a Discussion with NPR’s Joe Shapiro - The Arc
pricing 59 100.5× 388 💰 Pricing
https://thearc.org/blog/making-difference-comcast-cares-day-arc-greater-twin-cities/
Making a Difference on Comcast Cares Day: The Arc of Greater Twin Cities - The Arc
pricing 59 80.0× 489 💰 Pricing
https://thearc.org/blog/americas-direct-support-workforce-crisis-report-president-2017/
America’s Direct Support Workforce Crisis: Report to the President 2017 - The Arc
pricing 59 84.0× 466 💰 Pricing
https://thearc.org/blog/whats-on-the-docket-fall-2018/
What's on the Docket? Fall 2018 - The Arc
pricing 59 83.2× 467 💰 Pricing
https://thearc.org/blog/arc-files-amicus-brief-support-prisoners-seeking-medical-treatment/
The Arc Files Amicus Brief in Support of Prisoners Seeking Medical Treatment - The Arc
pricing 59 97.8× 399 💰 Pricing
https://thearc.org/blog/know-great-self-advocate-encourage-join-national-council-self-advocates/
Know a Great Self-Advocate? Encourage Them to Join the National Council of Self-Advocates! - The Arc
pricing 59 94.8× 413 💰 Pricing
https://thearc.org/blog/free-training-financial-literacy-limited-spots-available/
Free Training on Financial Literacy: Limited Spots Available - The Arc
pricing 59 95.7× 407 💰 Pricing
https://thearc.org/blog/new-resources-family-support-see-final-reports-gaps-support-across-lifespan/
New Resources on Family Support: See our final reports on gaps in support across the lifespan - The Arc
pricing 59 95.5× 411 💰 Pricing
https://thearc.org/blog/arc-submits-declaration-support-constitutionality-affordable-care-act-federal-district-court/
The Arc Submits Declaration in Support of Constitutionality of the Affordable Care Act in Federal District Court - The Arc
pricing 59 94.1× 417 💰 Pricing
https://thearc.org/blog/scholarship-opportunity-national-convention/
Scholarship Opportunity: National Convention - The Arc
pricing 59 103.3× 376 💰 Pricing
Showing 20 of 44 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/ 37 61 0% 85.2× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 44 pages
give.org ×37
programlibrary.thearc.org ×37
donate.thearc.org ×37
guidestar.org ×37
youtube.com ×37
charitywatch.org ×37
instagram.com ×37
chapters.thearc.org ×37
🔄 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/thearc.org

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

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📊 Semantic Share of Voice

How often would an AI cite thearc.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 thearc.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": "Thearc",
  "url": "https://thearc.org",
  "logo": "https://thearc.org/wp-content/uploads/2019/07/favicon.jpeg",
  "sameAs": []
}
</script>
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 3% of your HTML is useful content. AI crawlers waste context window tokens on bloat.
html
<!-- Move inline CSS to external stylesheets -->
<link rel="stylesheet" href="/css/main.css">

<!-- Move inline scripts to external files with defer -->
<script src="/js/app.js" defer></script>

<!-- Remove duplicate navigation blocks -->
<!-- Keep only ONE <nav> in the <header> -->

<!-- Ensure <main> wraps your primary content -->
<main>
  <!-- Your content here — this is what AI sees first -->
</main>
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 Thearc?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Thearc does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Thearc work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Thearc."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
79
Projected Score
93
Improvement
+14 pts
Add Organization schema +6 pts
Reduce token bloat +5 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?
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