historyfacts.com 68 C
🛡️ SEO 68 🤖 GEO 64 ⚡ Perf 74 🏗️ Arch 72

historyfacts.com — Global SEODiff Score 68/100

historyfacts.com
📊

The AI-Readiness profile for historyfacts.com is strong: an ACRI of 81/100 places it ahead of 95% of domains in the index. Within the infrastructure vertical, this places historyfacts.com above the industry average of 57 —, suggesting strong competitive positioning in AI search. Content is delivered server-side, meaning bots and AI agents can parse the full page without executing JavaScript. The bloated 26.0× token ratio highlights an urgent need to clean up non-content markup, scripts, and navigation clutter. 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.

68
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but AI Readiness (64) is your bottleneck.
🎯 Top Fix: Reduce token bloat (26×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 21, 2026 · 📋 API
📈 ACRI Trend 5 snapshots
Mar 2 Mar 21
🔔 Recent AI Indexing Activity
📉 Mar 18 ACRI -2 (57→55)
📉 Mar 13 ACRI -3 (60→57)
Does your site score higher than historyfacts.com?
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)68 × 0.25 = 17.0
🤖 AI Readiness / GEO (40% weight)64 × 0.40 = 25.6
⚡ Performance (20% weight)74 × 0.20 = 14.8
🏗️ Architecture & Trust (15% weight)72 × 0.15 = 10.8
Weighted sum = 17.0 + 25.6 + 14.8 + 10.8
Global SEODiff Score = 68 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
58
Structure
avg 35
42
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 5%
Rank #51996
Aligned
Gap
AI (ACRI)
Top 5%
Score 81/100

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

Why historyfacts.com ranks here

Tech stackWordPress
RenderingSSR
Schema coverage1 blocks
Token bloat26.0×

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

68/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

20 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

177 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 6
  • ✓ Has <h2> headings — found 5
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://historyfacts.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 — Home
  • ✓ og:description — History Facts brings the past to life by highlighting a lesser-known historical event every day. Subscribe to the History Facts newsletter to receive the facts in your inbox.
  • ✗ 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

64/100 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 →
historyfacts.com
55
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 58/100 — Fair
Structured Elements 46 elements (46 lists, 0 rows, 0 headers)
Total Words458
Raw Density10.0%

🏷️ Schema Health Docs

Organization Schema ✅ Present
Product / Service Schema ⚠️ Not Found
Total Schema Blocks1 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

57
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability57/100 — AI models can partially extract answers from this page
Crawl CostMedium (40/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

3%
🗑️ 97%
Useful Content (5.4 KB)Bloat (135.0 KB)
Token Bloat Ratio26.0× — Heavy

Multimodal Readiness

Visual Context32% Optimized for Vision
Image Alt Coverage6 / 19 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 140.4 KB, but only 5.4 KB is text. 3% useful / 97% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (26.0×) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.
💡Only 32% 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: 96.2% · SNR: 0.04 · Signal: 1381 / Noise: 34563 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 historyfacts.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
History Facts delivers a daily digest of lesser-known historical events and facts to subscribers, providing a unique and engaging way to learn about the past.
Target Audience
History enthusiasts, lifelong learners, casual readers seeking interesting facts, and individuals interested in expanding their knowledge of historical events.
Pricing Model
Subscription-based, with a free trial and various tiers offering increasing levels of access to content (details not specified).
🏆 Competitive Moat
Curated, daily content focused on obscure historical events, combined with a strong editorial team and a commitment to accuracy and human-created content.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Subscription signup pageEmail signup pageContact Us page
⚡ Key Pain Points
• Limited information on pricing structure
• Lack of explicit details on content curation process
Analyzed by SEODiff AI · 2026-03-03

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time523 ms
Raw HTML Size140.4 KB
Visible Text Size5.4 KB

Performance & Speed

74/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

523 ms
Acceptable — room for improvement

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

📦 Page Weight

599
DOM nodes
140 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → max-age=14400
  • ✓ CDN cache status → HIT
  • ✓ CDN detected → cloudflare

🔬 Tracker Tax

2
tracker scripts
2
third-party domains
0.0%
token overhead
Minimal tracker load — clean signal for bots
googletagmanager.comjs.hs-scripts.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

72/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

42
internal links
3
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 55/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for historyfacts.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/historyfacts.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=historyfacts.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 77 pages · Deep-10

Homepage ACRI
55
Single-page score
+7
Consistent readability
Δ delta
Site-Wide ACRI
62
Avg across 77 pages · Range 0–85
Topical Cohesion
7%
Topical Drift
TF-IDF cosine similarity
Total Words
95983
Avg Bloat
16.5×
Page Type ACRI Token Bloat Words Status
https://historyfacts.com/us-history/article/surprising-facts-about-every-u-s-president/
Surprising Facts About Every U.S. President — History Facts
pricing 85 9.0× 3888 💰 Pricing
https://historyfacts.com/us-history/article/facts-about-the-13-original-colonies/
13 Facts About the 13 Original Colonies  — History Facts
pricing 75 11.9× 2375 💰 Pricing
https://historyfacts.com/arts-culture/article/5-puzzling-facts-about-the-history-of-crossword-puzzles/
5 Puzzling Facts About the History of Crossword Puzzles — History Facts
pricing 72 17.6× 1433 💰 Pricing
https://historyfacts.com/science-industry/article/the-most-popular-things-traded-on-the-silk-road/
The Most Popular Things Traded on the Silk Road — History Facts
pricing 72 14.3× 1836 💰 Pricing
https://historyfacts.com/arts-culture/article/the-origins-of-6-unique-christmas-traditions/
The Origins of 6 Unique Christmas Traditions — History Facts
pricing 72 19.5× 1284 💰 Pricing
https://historyfacts.com/world-history/article/wwii-facts-world-war-ii/
9 World War II Facts Every History Buff Should Know — History Facts
pricing 72 14.4× 1818 💰 Pricing
https://historyfacts.com/world-history/article/8-of-the-most-heroic-dogs-in-history/
8 of the Most Heroic Dogs in History  — History Facts
pricing 72 13.9× 1883 💰 Pricing
https://historyfacts.com/us-history/article/6-facts-about-americas-gold-rushes/
6 Facts About America’s Gold Rushes — History Facts
pricing 72 20.0× 1263 💰 Pricing
https://historyfacts.com/arts-culture/article/6-facts-about-the-golden-age-of-hollywood/
6 Facts About the Golden Age of Hollywood — History Facts
pricing 72 17.5× 1427 💰 Pricing
https://historyfacts.com/world-history/article/6-empires-that-changed-the-world/
6 Empires That Changed the World — History Facts
pricing 72 18.1× 1363 💰 Pricing
https://historyfacts.com/us-history/article/9-facts-about-the-vice-presidents-who-succeeded-to-the-presidency/
9 Facts About the Vice Presidents Who Succeeded to the Presidency — History Facts
pricing 72 14.3× 1846 💰 Pricing
https://historyfacts.com/us-history/article/6-little-known-facts-about-the-white-house/
6 Little-Known Facts About the White House — History Facts
pricing 72 14.9× 1674 💰 Pricing
https://historyfacts.com/famous-figures/article/facts-about-queen-victoria/
7 Facts About the Life and Reign of Queen Victoria — History Facts
pricing 72 16.3× 1617 💰 Pricing
https://historyfacts.com/science-industry/article/7-maps-that-illustrate-the-history-of-the-world/
7 Maps That Illustrate the History of the World — History Facts
pricing 72 14.0× 1894 💰 Pricing
https://historyfacts.com/world-history/article/the-history-of-calendars-in-7-facts/
The History of Calendars, in 7 Facts — History Facts
pricing 72 19.8× 1284 💰 Pricing
https://historyfacts.com/science-industry/article/great-depression-inventions/
5 Inventions That Came Out of the Great Depression — History Facts
pricing 72 15.8× 1591 💰 Pricing
https://historyfacts.com/science-industry/article/7-innovations-that-came-out-of-world-war-ii/
7 Innovations That Came Out of World War II — History Facts
pricing 72 17.7× 1412 💰 Pricing
https://historyfacts.com/science-industry/article/7-surprising-facts-about-the-age-of-dinosaurs-2/
7 Surprising Facts About the Age of Dinosaurs — History Facts
pricing 72 15.5× 1674 💰 Pricing
https://historyfacts.com/us-history/article/7-myths-about-the-wild-west/
7 Myths About the "Wild West" — History Facts
pricing 72 17.5× 1420 💰 Pricing
https://historyfacts.com/science-industry/article/6-fascinating-facts-about-cars-through-history/
6 Fun Facts About Cars Through History — History Facts
pricing 72 15.4× 1651 💰 Pricing
Showing 20 of 77 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
/arts-culture/ 21 69 0% 20.4× High JS Bloat
/us-history/ 15 72 0% 17.4× High JS Bloat
/world-history/ 15 70 0% 18.6× High JS Bloat
/science-industry/ 13 71 0% 17.4× High JS Bloat
/famous-figures/ 3 70 0% 18.8× High JS Bloat
/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
/products/ 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
/pricing/ 1 0 0% 0.0× Low AI Readiness
/about/ 1 72 0% 15.4× High JS Bloat
🔗
Outbound External Citations
0 unique external domains cited across 77 pages
local.vipdev.lndo.site ×68
corporate.britannica.com ×68
quizdaily.com ×67
historyquiz.com ×67
interestingfacts.com ×67
yrxtrk.com ×67
wordsmarts.com ×67
gettyimages.com ×60
🔄 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/historyfacts.com

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

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📊 Semantic Share of Voice

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

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

Projected Impact

ROI EST.

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

Current Score
81
Projected Score
89
Improvement
+8 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?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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