harpers.org 65 C
🛡️ SEO 43 🤖 GEO 80 ⚡ Perf 59 🏗️ Arch 69

harpers.org — Global SEODiff Score 65/100

harpers.org
📊

The AI-Readiness profile for harpers.org is strong: an ACRI of 75/100 places it ahead of 81% of domains in the index. Compared to other education sites (avg score: 57), harpers.org 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. The token bloat ratio sits at a lean 2.5×, meaning the ratio of code to visible content is efficient — crawlers spend their token budget on actual information. 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.

65
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (43) is your bottleneck.
🎯 Top Fix: Add HSTS header → +2 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 16, 2026 · 📋 API
📈 ACRI Trend 3 snapshots
Mar 7 Mar 16
🔔 Recent AI Indexing Activity
🔄 Mar 16 Content change detected
Does your site score higher than harpers.org?
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)43 × 0.25 = 10.8
🤖 AI Readiness / GEO (40% weight)80 × 0.40 = 32.0
⚡ Performance (20% weight)59 × 0.20 = 11.8
🏗️ Architecture & Trust (15% weight)69 × 0.15 = 10.3
Weighted sum = 10.8 + 32.0 + 11.8 + 10.3
Global SEODiff Score = 65 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
100
Rendering
avg 93
24
Structure
avg 35
42
Schema
avg 9
85
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 2%
Rank #18515
+18 pts
Gap
AI (ACRI)
Top 19%
Score 75/100

harpers.org 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 harpers.org ranks here

Tech stackWordPress
Industryeducation
RenderingSSR
Schema coverage1 blocks
Token bloat2.5×

Fastest improvements

  • You’re already in decent shape — the next moat is monitoring drift over time.
  • 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

43/100 25 % of Global Score 🟡 Medium Confidence

📝 Title Tag

24 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

238 chars
Too long

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 0
  • ✓ Has <h2> headings — found 6
  • ✗ <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 — Home
  • ✓ og:description — Harper’s Magazine, the oldest general-interest monthly in America, explores the issues that drive our national conversation, through long-form narrative journalism and essays, and such celebrated features as the iconic Harper’s Index.
  • ✓ 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

80/100 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 education sector, melbourneschool.com (ACRI: 86) 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 →
harpers.org
56
Your ACRI Score
86
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. melbourneschool.com has schema coverage of 4 blocks and uses Custom / Proprietary. 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 24/100 — Low
Structured Elements 37 elements (37 lists, 0 rows, 0 headers)
Total Words2226
Raw Density1.7%
💡Low structure score (24/100). Your content appears as a wall of text with few structured HTML elements. You have 37 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 ✅ 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

63
AI Extractability
Low
Crawl Cost
None
Blocklist Risk
Extractability63/100 — 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

40%
🗑️ 60%
Useful Content (66.5 KB)Bloat (100.4 KB)
Token Bloat Ratio2.5× — Lean

Multimodal Readiness

Visual Context17% Optimized for Vision
Image Alt Coverage6 / 35 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Only 17% of images have alt text. Add descriptive alt attributes so multimodal AI (ChatGPT Vision) can understand your images.

🔥 Structural Entropy Check Research

62 Entropy
Fair Token Bloat: Medium
Noise Ratio: 60.2% · SNR: 0.66 · Signal: 17023 / Noise: 25698 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 harpers.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
This website provides access to Harper’s Magazine’s archive and subscription management tools, allowing users to log in, reset passwords, manage
Target Audience
Subscribers to Harper’s Magazine, including current and former readers seeking access to the archive and managing their subscriptions.
Pricing Model
Subscription-based, with options for print and digital access. Annual subscription price is approximately $21.97.
🔗 Integration Partners
ZinioGoogleAppleFacebook
🏆 Competitive Moat
Extensive archive spanning 175 years, combined with a user-friendly subscription management system and responsive customer support.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
Sign in linkForgot password linkUpdate Info linkChat support link
⚡ Key Pain Points
• Password reset issues
• Subscription expiration errors
• PDF download problems
• Email address issues
• Missing archive pages
• Spam emails
Analyzed by SEODiff AI · 2026-03-01

🔧 Tech Stack

FrameworkWordPress
AI-Readiness Score85/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time605 ms
Raw HTML Size166.9 KB
Visible Text Size66.5 KB

Performance & Speed

59/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

605 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

1293
DOM nodes
167 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → private, no-store
  • ✓ 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.comdoubleclick.net
📐 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 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

247
internal links
22
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 56/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for harpers.org
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/harpers.org" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=harpers.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 121 pages · Deep-10

Homepage ACRI
56
Single-page score
+2
Consistent readability
Δ delta
Site-Wide ACRI
59
Avg across 121 pages · Range 0–75
Topical Cohesion
12%
Topical Drift
TF-IDF cosine similarity
Total Words
67564
Avg Bloat
43.5×
Page Type ACRI Token Bloat Words Status
https://harpers.org/about/faq/
Frequently Asked Questions | Harper's Magazine
about 75 13.5× 1496
https://harpers.org/faq
Frequently Asked Questions | Harper's Magazine
support 75 13.5× 1496
https://harpers.org/2007/05/the-question-of-balance-revisiting-the-missouri-election-scandal-of-2004/
The Question of Balance: Revisiting the Missouri Election Scandal of 2004 , by Ken Silverstein
other 75 13.8× 1589
https://harpers.org/2007/05/bushs-gop-from-religious-right-to-wille-zur-macht/
Bush’s GOP: From Religious Right to “Wille zur Macht” , by Scott Horton
other 72 16.0× 1346
https://harpers.org/2007/05/comey-details-gonzaless-pressure-tactics-on-surveillance-issue/
Comey Details Gonzales’s Pressure Tactics on Surveillance Issue , by Scott Horton
other 72 17.3× 1230
https://harpers.org/2007/05/musharrafs-endgame/
Musharraf’s Endgame , by Scott Horton
other 72 18.8× 1116
https://harpers.org/2007/05/defending-the-national-surveillance-state-torture-lies-and-secrecy/
Defending the National Surveillance State: Torture, Lies and Secrecy , by Scott Horton
other 72 18.5× 1155
https://harpers.org/2007/05/an-attorney-general-without-honor/
An Attorney General Without Honor , by Scott Horton
pricing 72 17.6× 1199 💰 Pricing
https://harpers.org/about/internships/
Internships | Harper's Magazine
pricing 67 30.5× 596 💰 Pricing
https://harpers.org/about/
About | Harper's Magazine
about 67 24.5× 724
https://harpers.org/about
About | Harper's Magazine
about 67 24.5× 724
https://harpers.org/2007/05/strength-is-injustice/
“Strength is Injustice” , by Scott Horton
other 67 25.1× 820
https://harpers.org/2007/05/us-attorneys-scandal-guam/
U.S. Attorneys Scandal—Guam , by Scott Horton
other 67 28.1× 731
https://harpers.org/2007/05/pay-no-attention-to-the-man-behind-the-curtain/
Pay No Attention to the Man Behind The Curtain , by Scott Horton
pricing 67 22.2× 944 💰 Pricing
https://harpers.org/2007/05/about-those-e-mails/
About those e-mails . . . , by Scott Horton
about 67 29.9× 684
https://harpers.org/2007/05/die-stasi-ist-mein-eckermann/
Die Stasi ist mein Eckermann , by Scott Horton
other 67 32.8× 622
https://harpers.org/2007/05/alberto-gonzales-and-the-blame-game/
Alberto Gonzales and the Blame Game , by Scott Horton
other 67 35.4× 577
https://harpers.org/2007/05/the-creeping-senility-of-bernard-lewis/
The Creeping Senility of Bernard Lewis , by Scott Horton
other 67 29.7× 691
https://harpers.org/2007/05/quis-custodiet-ipsos-custodes/
Quis custodiet ipsos custodes? , by Scott Horton
other 67 26.6× 778
https://harpers.org/2007/05/washington-insiders-lend-helping-hand-to-princess-of-uzbeks/
Washington Insiders Lend Helping Hand to “Princess of Uzbeks” , by Ken Silverstein
pricing 67 22.6× 939 💰 Pricing
Showing 20 of 100 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
/2007/ 100 62 0% 40.0× High JS Bloat
/about/ 10 57 0% 60.1× High JS Bloat
/blog/ 2 44 0% 192.1× High JS Bloat
/faq/ 1 75 0% 13.5× High JS Bloat
/careers/ 1 44 0% 139.8× 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
/features/ 1 54 0% 81.1× High JS Bloat
/contact/ 1 54 0% 49.6× High JS Bloat
/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 121 pages
w1.buysub.com ×116
facebook.com ×116
instagram.com ×116
login.harpers.org ×116
accounts.harpers.org ×116
twitter.com ×116
store.harpers.org ×116
secure.givelively.org ×116
🔄 Re-Crawl & Update 📡 Track this Domain

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🔌 API Access

Pull this data programmatically. All sub-page metrics are available via our public API.

curl https://seodiff.io/api/v1/deep10/domain/harpers.org

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

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📊 Semantic Share of Voice

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

Projected Impact

ROI EST.

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

Current Score
75
Projected Score
78
Improvement
+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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