sciencefriday.com 76 B
🛡️ SEO 73 🤖 GEO 84 ⚡ Perf 52 🏗️ Arch 91

sciencefriday.com — Global SEODiff Score 76/100

sciencefriday.com
📊

sciencefriday.com achieves a 79/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Compared to other infrastructure sites (avg score: 57), sciencefriday.com performs above the benchmark, 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 5.4× bloat ratio is typical for sites in this tech tier — not wasteful, but streamlining could further boost extractability. The site includes 2 schema blocks, providing adequate structured data for basic entity recognition. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

76
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Performance (52) is your bottleneck.
🎯 Top Fix: Monitor weekly to catch regressions early
🔬 Automated SEODiff Assessment · Snapshot: Mar 17, 2026 · 📋 API
📈 ACRI Trend 5 snapshots
Feb 23 Mar 17
🔔 Recent AI Indexing Activity
🔄 Mar 17 Content change detected
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)73 × 0.25 = 18.2
🤖 AI Readiness / GEO (40% weight)84 × 0.40 = 33.6
⚡ Performance (20% weight)52 × 0.20 = 10.4
🏗️ Architecture & Trust (15% weight)91 × 0.15 = 13.7
Weighted sum = 18.2 + 33.6 + 10.4 + 13.7
Global SEODiff Score = 76 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
45
Structure
avg 35
44
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 4%
Rank #37743
+6 pts
Gap
AI (ACRI)
Top 9%
Score 79/100

sciencefriday.com shows stronger AI visibility than traditional SEO ranking. Great AI foundation to build on. ACRI measures technical crawler readiness. Read the methodology →

Why sciencefriday.com ranks here

Tech stackWordPress
RenderingSSR
Schema coverage2 blocks
Token bloat5.4×

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

73/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

14 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

118 chars
Too short

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 27
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://www.sciencefriday.com/
  • ✓ 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 — ScienceFriday.com
  • ✓ og:description — Your trusted source for news and entertaining stories about science.
  • ✗ 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

84/100 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 →
sciencefriday.com
65
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 45/100 — Fair
Structured Elements 173 elements (56 lists, 102 rows, 15 headers)
Total Words2907
Raw Density5.9%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks2 block(s) — Basic (low value for AI)

Schema Coverage Map

3/7 schema types detected
✅ Organization
❌ Product/Service
✅ Breadcrumb
❌ FAQ
❌ Article
✅ WebSite
💡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

68
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability68/100 — 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

18%
🗑️ 82%
Useful Content (33.6 KB)Bloat (147.0 KB)
Token Bloat Ratio5.4× — Normal

Multimodal Readiness

Visual Context91% Optimized for Vision
Image Alt Coverage20 / 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: 81.4% · SNR: 0.23 · Signal: 8597 / Noise: 37635 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 sciencefriday.com 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
Science Friday delivers science stories and news through a weekly radio show and online platform, fostering curiosity and scientific literacy.
Target Audience
Educated adults, families, and students interested in science and learning; educators seeking resources for science education.
Pricing Model
Listener-supported through public radio stations and donations; podcast subscriptions are likely available, but not explicitly stated.
🏆 Competitive Moat
Combination of high-quality, engaging science content and a strong community of listeners and supporters, combined with a robust online platform.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Stations Find public radio stations that air Science Friday.Read More Careers See our job opening, freelance opportunities and web/audio producer internships.Educate Use Science Friday media in your classroom.Donate Support Science Friday. Donate today!
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-03-02

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servernginx
CDN
HTTP Status200
Load Time516 ms
Raw HTML Size180.6 KB
Visible Text Size33.6 KB

Performance & Speed

52/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

516 ms
Acceptable — room for improvement

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

📦 Page Weight

1607
DOM nodes
181 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=300, must-revalidate
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 Tracker Tax

1
tracker scripts
1
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
googletagmanager.com
📐 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

91/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://www.sciencefriday.com/sitemap_index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

186
internal links
15
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 65/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for sciencefriday.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/sciencefriday.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=sciencefriday.com" 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 89 pages · Deep-10

Homepage ACRI
65
Single-page score
+9
Consistent readability
Δ delta
Site-Wide ACRI
74
Avg across 89 pages · Range 0–90
Topical Cohesion
6%
Topical Drift
TF-IDF cosine similarity
Total Words
202071
Avg Bloat
8.8×
Page Type ACRI Token Bloat Words Status
https://www.sciencefriday.com/articles/food-the-weak-link/
Food: The Weak Link - Science Friday
pricing 90 4.9× 5133 💰 Pricing
https://www.sciencefriday.com/articles/the-year-ahead-in-science-film/
SXSW 2015: The Year Ahead in Science Film
pricing 85 8.7× 2612 💰 Pricing
https://www.sciencefriday.com/articles/from-animal-house-to-prufrock-house-memories-of-caltech-in-the-60s/
"Tales From Both Sides of the Brain" Excerpt: Memories of Caltech in the '60s
pricing 85 5.3× 4826 💰 Pricing
https://www.sciencefriday.com/articles/march-of-the-computers/
March of the Computers - Science Friday
pricing 85 6.2× 3867 💰 Pricing
https://www.sciencefriday.com/articles/whos-got-the-biscotti-mingling-at-the-ig-nobel-awards-after-party/
Who's Got the Biscotti? Mingling at the Ig Nobel Awards After-Party - Science Friday
pricing 85 8.2× 2836 💰 Pricing
https://www.sciencefriday.com/articles/what-lemurs-can-teach-us-about-human-evolution/
What Lemurs Can Teach Us About Human Evolution - Science Friday
pricing 85 7.7× 3033 💰 Pricing
https://www.sciencefriday.com/articles/what-freaks-you-out-about-robots/
What Freaks You Out About Robots? - Science Friday
pricing 85 9.9× 2275 💰 Pricing
https://www.sciencefriday.com/articles/10-questions-for-allen-bard-father-of-modern-electrochemistry/
10 Questions for Allen Bard, Father of Modern Electrochemistry - Science Friday
pricing 85 7.2× 3307 💰 Pricing
https://www.sciencefriday.com/articles/picture-of-the-week-limpet-teeth/
Picture of the Week: Limpet Teeth
pricing 85 9.9× 2221 💰 Pricing
https://www.sciencefriday.com/articles/picture-of-the-week-scuttle-flies/
Thirty New Species of Scuttle Fly Found in L.A.
pricing 85 9.5× 2384 💰 Pricing
https://www.sciencefriday.com/articles/picking-up-where-we-left-off/
'Hieroglyph' Excerpt: Neal Stephenson
pricing 85 8.1× 2860 💰 Pricing
https://www.sciencefriday.com/articles/cloudy-with-a-chance-of-bacteria/
Cloudy, With a Chance of Bacteria - Science Friday
pricing 85 9.6× 2264 💰 Pricing
https://www.sciencefriday.com/articles/wild-advice-for-shutterbugs/
Wild Advice for Shutterbugs - Science Friday
pricing 85 9.3× 2373 💰 Pricing
https://www.sciencefriday.com/articles/battle-of-the-electric-cars-hydrogen-sucks-says-elon-musk/
Battle of the Electric Cars: 'Hydrogen Sucks,' Says Elon Musk - Science Friday
pricing 85 9.4× 2340 💰 Pricing
https://www.sciencefriday.com/articles/silence-is-noisy/
Book Excerpt: 'Shouting Won't Help'
pricing 85 9.0× 2437 💰 Pricing
https://www.sciencefriday.com/articles/what-are-the-drivers-of-global-change/
What Are the Drivers of Global Change? - Science Friday
pricing 85 8.6× 2574 💰 Pricing
https://www.sciencefriday.com/articles/the-science-friday-crossword-puzzle-solved/
The Science Friday Crossword Puzzle, Solved - Science Friday
pricing 85 9.4× 2532 💰 Pricing
https://www.sciencefriday.com/articles/researchers-dig-in-to-the-genetics-of-burrowing/
Researchers Dig In to the Genetics of Burrowing - Science Friday
pricing 85 9.9× 2232 💰 Pricing
https://www.sciencefriday.com/articles/inside-the-box-crossword-puzzle-constructing-in-the-computer-age/
Inside the Box: Crossword Puzzle Constructing in the Computer Age - Science Friday
pricing 85 6.8× 3665 💰 Pricing
https://www.sciencefriday.com/articles/painting-by-insects/
Painting by Insects - Science Friday
pricing 85 9.8× 2266 💰 Pricing
Showing 20 of 89 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
/articles/ 79 81 0% 9.5× High JS Bloat
/blog/ 1 85 0% 9.1× High JS Bloat
/contact/ 1 75 0% 11.5× High JS Bloat
/pricing/ 1 0 0% 0.0× Low AI Readiness
/features/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 75 0% 12.5× High JS Bloat
/products/ 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
/faq/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 89 pages
threads.net ×82
instagram.com ×82
tiktok.com ×82
twitter.com ×82
findyournews.org ×82
linkedin.com ×82
feeds.simplecast.com ×82
sciencefridaystore.com ×82
🔄 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/sciencefriday.com

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

🔗 Similar infrastructure Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
sciencefriday.com (this site) 65 79 WordPress 5.4× 2
profitserver.net 86 90 WordPress 3.8× 2 Compare →
driphydration.com 86 95 WordPress 1.9× 2 Compare →
safely.co.jp 90 90 WordPress 1.9× 3 Compare →
hi-ad.jp 86 90 WordPress 3.1× 5 Compare →
meriambet.us.com 87 95 WordPress 4.1× 6 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite sciencefriday.com 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 sciencefriday.com. Copy and paste these into your codebase to improve AI visibility. These patches are mathematically proven to increase extraction accuracy →

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 Sciencefriday?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Sciencefriday does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Sciencefriday work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Sciencefriday."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for sciencefriday.com:

Current Score
79
Projected Score
85
Improvement
+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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