davidwalsh.name 72 B
🛡️ SEO 58 🤖 GEO 81 ⚡ Perf 74 🏗️ Arch 69

davidwalsh.name — Global SEODiff Score 72/100

davidwalsh.name
📊

davidwalsh.name shows strong AI visibility with an ACRI of 73/100, outperforming 75% of indexed domains. Within the infrastructure vertical, this places davidwalsh.name above the industry average of 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. Token bloat registers at 9.3× — acceptable, but reducing inline scripts and redundant markup could yield measurable gains. Only 1 schema block is present — adding Organization, WebSite, and Breadcrumb schemas would significantly improve structured data coverage. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

72
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (58) is your bottleneck.
🎯 Top Fix: Add HSTS header → +2 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 21
🔔 Recent AI Indexing Activity
No recent changes detected by adaptive crawler.
Does your site score higher than davidwalsh.name?
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)58 × 0.25 = 14.5
🤖 AI Readiness / GEO (40% weight)81 × 0.40 = 32.4
⚡ Performance (20% weight)74 × 0.20 = 14.8
🏗️ Architecture & Trust (15% weight)69 × 0.15 = 10.3
Weighted sum = 14.5 + 32.4 + 14.8 + 10.3
Global SEODiff Score = 72 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
48
Structure
avg 35
2
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 7%
Rank #73909
+18 pts
Gap
AI (ACRI)
Top 25%
Score 73/100

davidwalsh.name 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 davidwalsh.name ranks here

Tech stackWordPress
RenderingSSR
Schema coverage1 blocks
Token bloat9.3×

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

58/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

40 chars
Good length

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

111 chars
Too short

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 11
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://davidwalsh.name/
  • ✓ 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 — David Walsh Blog
  • ✓ og:description — A blog featuring tutorials about JavaScript, HTML5, AJAX, PHP, CSS, WordPress, and everything else development.
  • ✓ 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

81/100 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 →
davidwalsh.name
59
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 48/100 — Fair
Structured Elements 82 elements (82 lists, 0 rows, 0 headers)
Total Words1165
Raw Density7.0%

🏷️ Schema Health Docs

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

Schema Coverage Map

1/7 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.

📐 AI Efficiency Metrics Docs

51
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability51/100 — 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 (7.0 KB)Bloat (58.5 KB)
Token Bloat Ratio9.3× — Normal

Multimodal Readiness

Visual Context95% Optimized for Vision
Image Alt Coverage21 / 22 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: 89.3% · SNR: 0.12 · Signal: 1801 / Noise: 14969 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 davidwalsh.name 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
This website showcases a seasoned web developer's expertise and experience across various technologies and platforms.
Target Audience
Web developers, software engineers, technology enthusiasts
Pricing Model
⚠ SEMANTIC VOID
🏆 Competitive Moat
Deep technical expertise and a pragmatic, experimental approach to web development.
📊 Content Depth
3/10
Analyzed by SEODiff AI · 2026-03-04

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time762 ms
Raw HTML Size65.5 KB
Visible Text Size7.0 KB

Performance & Speed

74/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

762 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

480
DOM nodes
66 KB
HTML payload
Lean page — fast for bots and users

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=14400, public, 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

69/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

102
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 59/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for davidwalsh.name
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/davidwalsh.name" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=davidwalsh.name" 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 55 pages · Deep-10

Homepage ACRI
59
Single-page score
+4
Consistent readability
Δ delta
Site-Wide ACRI
64
Avg across 55 pages · Range 0–80
Topical Cohesion
15%
Topical Drift
TF-IDF cosine similarity
Total Words
27386
Avg Bloat
19.4×
Page Type ACRI Token Bloat Words Status
https://davidwalsh.name/blog
The Truth About Blog Comments
blog 80 13.2× 1145
https://davidwalsh.name/tutorials/htaccess
.htaccess Archives - David Walsh Blog
docs 77 19.7× 603
https://davidwalsh.name/tutorials/ajax
AJAX Archives - David Walsh Blog
docs 77 19.3× 613
https://davidwalsh.name/tutorials/apache-server
Apache / Server Archives - David Walsh Blog
docs 77 19.1× 621
https://davidwalsh.name/tutorials/bookmarking
Bookmarking / Social Archives - David Walsh Blog
pricing 77 19.5× 610 💰 Pricing
https://davidwalsh.name/tutorials/apis
APIs Archives - David Walsh Blog
docs 77 19.9× 595
https://davidwalsh.name/tutorials/jquery
jQuery Archives - David Walsh Blog
docs 77 19.6× 607
https://davidwalsh.name/tutorials/html
Markup Archives - David Walsh Blog
docs 77 19.9× 592
https://davidwalsh.name/tutorials/canvas
Canvas & SVG Archives - David Walsh Blog
docs 77 19.4× 614
https://davidwalsh.name/tutorials/mozilla
Mozilla Archives - David Walsh Blog
docs 77 19.7× 599
https://davidwalsh.name/tutorials/demos
Demos Archives - David Walsh Blog
docs 77 19.6× 604
https://davidwalsh.name/tutorials/mysql
MySQL Archives - David Walsh Blog
docs 77 19.6× 605
https://davidwalsh.name/tutorials/nodejs
Node.js Archives - David Walsh Blog
docs 77 19.8× 597
https://davidwalsh.name/tutorials/events/oreilly
O'Reilly Archives - David Walsh Blog
docs 77 19.7× 617
https://davidwalsh.name/tutorials/events
Events Archives - David Walsh Blog
docs 77 19.7× 617
https://davidwalsh.name/tutorials/performance
Performance Archives - David Walsh Blog
docs 77 19.6× 611
https://davidwalsh.name/tutorials/podcast
Podcast Archives - David Walsh Blog
docs 77 17.7× 680
https://davidwalsh.name/tutorials/features
Features Archives - David Walsh Blog
docs 77 19.7× 600
https://davidwalsh.name/tutorials/firefoxos
Firefox OS Archives - David Walsh Blog
docs 77 19.1× 619
https://davidwalsh.name/tutorials/games
Games Archives - David Walsh Blog
docs 77 19.5× 609
Showing 20 of 55 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
/tutorials/ 45 74 0% 21.9× High JS Bloat
/about/ 1 57 0% 26.1× High JS Bloat
/contact/ 1 54 0% 46.9× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/features/ 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
/products/ 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
/blog/ 1 80 0% 13.2× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 55 pages
plus.google.com ×48
dwf.tw ×48
opensource.org ×48
requestmetrics.com ×46
github.com ×7
toddhgardner.com ×5
cloudinary.com ×4
twitter.com ×4
🔄 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/davidwalsh.name

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
davidwalsh.name (this site) 59 73 WordPress 9.3× 1
beautycoiffure.com 84 90 WordPress 2.2× 3 Compare →
kingoftime.jp 84 91 WordPress 2.8× 4 Compare →
dedikuoti.lt 84 92 WordPress 1.5× 4 Compare →
multicanalatacado.com.br 84 92 Custom / Proprietary 1.3× 1 Compare →
designtorget.se 84 89 Gatsby 4.6× 3 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite davidwalsh.name 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 davidwalsh.name. 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": "Name",
  "url": "https://davidwalsh.name",
  "logo": "https://davidwalsh.name/wp-content/themes/punky/images/favicon-32.png",
  "sameAs": []
}
</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 Name?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Name does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Name work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Name."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for davidwalsh.name:

Current Score
73
Projected Score
85
Improvement
+12 pts
Add Organization schema +6 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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