daringfireball.net 55 D
🛡️ SEO 23 🤖 GEO 67 ⚡ Perf 65 🏗️ Arch 63

daringfireball.net — Global SEODiff Score 55/100

daringfireball.net
📊

The AI-Readiness profile for daringfireball.net is strong: an ACRI of 65/100 places it ahead of 55% of domains in the index. Within the infrastructure vertical, this places daringfireball.net above the industry average of 57 —, suggesting strong competitive positioning in AI search. Server-side rendering keeps the ghost ratio near zero, giving AI systems direct access to all visible content. The token bloat ratio sits at a lean 1.4×, meaning the ratio of code to visible content is efficient — crawlers spend their token budget on actual information. No structured data was detected, which means AI systems must infer all entities and relationships from raw HTML alone. Robots.txt grants unrestricted access to the key AI user-agents, which is the strongest starting position for AI visibility.

55
D — Global SEODiff Score
Comprehensive search visibility assessment
Below average — Traditional SEO (23) has the most room for improvement.
🎯 Top Fix: Add Organization + WebSite JSON-LD → +5–8 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 30 snapshots
Feb 22 Mar 21
🔔 Recent AI Indexing Activity
🔄 Mar 21 Content change detected
🔄 Mar 20 Content change detected
📉 Mar 20 ACRI -1 (41→40)
🔄 Mar 18 Content change detected
🔄 Mar 16 Content change detected
Does your site score higher than daringfireball.net?
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)23 × 0.25 = 5.8
🤖 AI Readiness / GEO (40% weight)67 × 0.40 = 26.8
⚡ Performance (20% weight)65 × 0.20 = 13.0
🏗️ Architecture & Trust (15% weight)63 × 0.15 = 9.4
Weighted sum = 5.8 + 26.8 + 13.0 + 9.4
Global SEODiff Score = 55 (D)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
7
Structure
avg 35
0
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 1%
Rank #10376
+44 pts
Gap
AI (ACRI)
Top 45%
Score 65/100

daringfireball.net 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 daringfireball.net ranks here

Tech stackWordPress
RenderingSSR
Schema coverage0 blocks
Token bloat1.4×

Fastest improvements

  • Add basic Organization and WebSite JSON-LD to fix “0 schema blocks” (see Schema Coverage).
  • 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

23/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

15 chars
Too short

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 6
  • ✓ Has <h2> headings — found 11
  • ✗ <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 — Daring Fireball, by John Gruber
  • ✓ og:description — Commentary on Apple, technology, design, politics, and more.
  • ✓ og:image — preview
  • ✗ 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

67/100 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 →
daringfireball.net
40
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 7/100 — Poor
Structured Elements 20 elements (20 lists, 0 rows, 0 headers)
Total Words15423
Raw Density0.1%
💡Low structure score (7/100). Your content appears as a wall of text with few structured HTML elements. You have 20 list items, 0 table rows, 0 table headers. Convert features into <ul> lists and data into <table> elements to help AI models extract structured information.

🏷️ 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

47
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability47/100 — 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

71%
🗑️ 29%
Useful Content (91.2 KB)Bloat (37.0 KB)
Token Bloat Ratio1.4× — Lean

Multimodal Readiness

Visual Context100% Optimized for Vision
Image Alt Coverage3 / 3 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set

🔥 Structural Entropy Check Research

90 Entropy
Good Token Bloat: Low
Noise Ratio: 28.8% · SNR: 2.47 · Signal: 23351 / Noise: 9462 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 daringfireball.net 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
Sentry helps developers catch, trace, and fix bugs across their entire software stack.
Target Audience
Software developers, DevOps engineers
Pricing Model
⚠ SEMANTIC VOID
🔗 Integration Partners
Linode
🏆 Competitive Moat
Comprehensive bug tracking and tracing capabilities for developers.
📊 Content Depth
5/10
Analyzed by SEODiff AI · 2026-02-28

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time608 ms
Raw HTML Size128.2 KB
Visible Text Size91.2 KB

Performance & Speed

65/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

608 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

862
DOM nodes
128 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✗ Cache-Control header
  • ✓ 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

63/100 15 % of Global Score 🟡 Medium Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

104
internal links
146
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 40/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for daringfireball.net
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/daringfireball.net" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=daringfireball.net" 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 20 pages · Deep-10

Homepage ACRI
40
Single-page score
-35
Severe hidden bloat
Δ delta
Site-Wide ACRI
5
Avg across 20 pages · Range 0–64
🔍
Hidden Bloat Detected

Homepage scores 40, but internal pages average only 5 — a -35-point gap. Blogs, docs, and legacy content are dragging down AI readability site-wide.

Topical Cohesion
0%
Topical Drift
TF-IDF cosine similarity
Total Words
329
Avg Bloat
1.2×
Page Type ACRI Token Bloat Words Status
https://daringfireball.net/contact
Daring Fireball: Contact Information
support 64 9.2× 220
https://daringfireball.net/about
Daring Fireball: Colophon
about 44 15.4× 109
https://daringfireball.net/pricing pricing 0 0.0× 0
https://daringfireball.net/api docs 0 0.0× 0
https://daringfireball.net/guides blog 0 0.0× 0
https://daringfireball.net/help support 0 0.0× 0
https://daringfireball.net/products product 0 0.0× 0
https://daringfireball.net/solutions product 0 0.0× 0
https://daringfireball.net/features product 0 0.0× 0
https://daringfireball.net/blog blog 0 0.0× 0
https://daringfireball.net/docs docs 0 0.0× 0
https://daringfireball.net/case-studies social-proof 0 0.0× 0
https://daringfireball.net/get-started conversion 0 0.0× 0
https://daringfireball.net/demo conversion 0 0.0× 0
https://daringfireball.net/support support 0 0.0× 0
https://daringfireball.net/faq support 0 0.0× 0
https://daringfireball.net/integrations integrations 0 0.0× 0
https://daringfireball.net/trust trust 0 0.0× 0
https://daringfireball.net/security trust 0 0.0× 0
https://daringfireball.net/careers careers 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
/faq/ 1 0 0% 0.0× Low AI Readiness
/guides/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 64 0% 9.2× High JS Bloat
/api/ 1 0 0% 0.0× Low AI Readiness
/demo/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 44 0% 15.4× High JS Bloat
/get-started/ 1 0 0% 0.0× Low AI Readiness
/products/ 1 0 0% 0.0× Low AI Readiness
/features/ 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
/support/ 1 0 0% 0.0× Low AI Readiness
/security/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 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 20 pages
sentry.io ×2
dithering.fm ×2
latenightsw.com ×1
barebones.com ×1
threads.net ×1
movabletype.org ×1
bsky.app ×1
red-sweater.com ×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/daringfireball.net

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
daringfireball.net (this site) 40 65 WordPress 1.4× 0
badmintonindia.org 65 78 WordPress 2.8× 0 Compare →
kizyurdu.cankaya.edu.tr 65 81 WordPress 3.0× 0 Compare →
apostasonline.com.br 65 74 WordPress 3.0× 2 Compare →
pennpress.org 65 80 WordPress 5.2× 1 Compare →
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Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite daringfireball.net 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

A 2 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.

44
Homepage ACRI
64
Inner Avg ACRI
-20
ACRI Delta
20%
Homepage Ghost
20%
Inner Avg Ghost
0
Drift Score [?]
Worst Inner Pages
64 20% support https://daringfireball.net/contact
🛡️

E-E-A-T Trust Signals

D 30/100

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
🔗

Citation Profile

15 DOMAINS

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

17
Total Links
15
Unique Domains
8.5
Avg/Page
88%
Diversity
dithering.fm sentry.io bsky.app flyingmeat.com threads.net movabletype.org ranchero.com latenightsw.com aged-and-distilled.com linode.com
🏘️ Outbound Neighborhood Trust Avg Trust: 9.7

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

🩹

Remediation Patches

COPY-PASTE

Auto-generated code fixes tailored to daringfireball.net. 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": "Daringfireball",
  "url": "https://daringfireball.net",
  "logo": "https://daringfireball.net/graphics/favicon.ico?v=005",
  "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": "Daringfireball",
  "url": "https://daringfireball.net",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://daringfireball.net/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 Daringfireball?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Daringfireball does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Daringfireball work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Daringfireball."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for daringfireball.net:

Current Score
65
Projected Score
78
Improvement
+13 pts
Add Organization schema +6 pts
Add WebSite schema +4 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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