buttondown.com 72 B
🛡️ SEO 79 🤖 GEO 61 ⚡ Perf 74 🏗️ Arch 86

buttondown.com — Global SEODiff Score 72/100

buttondown.com
📊

buttondown.com shows strong AI visibility with an ACRI of 77/100, outperforming 86% of indexed domains. Within the developer vertical, this places buttondown.com above the industry average of 57 —, suggesting strong competitive positioning in AI search. The low ghost ratio (5%) confirms that what crawlers see matches what users see — a hallmark of strong SSR implementation. Heavy markup overhead (22.5× bloat) forces AI systems to wade through excess code before finding useful information. With 4 JSON-LD schema blocks, the site provides explicit machine-readable metadata that enhances AI comprehension. All major AI bot user-agents (GPTBot, ClaudeBot, CCBot, Google-Extended) are permitted by robots.txt, ensuring broad AI crawler access.

72
B — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but AI Readiness (61) is your bottleneck.
🎯 Top Fix: Reduce token bloat (22×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 18, 2026 · 📋 API
📈 ACRI Trend 7 snapshots
Feb 23 Mar 18
🔔 Recent AI Indexing Activity
📈 Mar 16 ACRI +3 (46→49)
🔄 Mar 10 Content change detected
Does your site score higher than buttondown.com?
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🧮 Score Transparency — How is this calculated?
🛡️ Traditional SEO (25% weight)79 × 0.25 = 19.8
🤖 AI Readiness / GEO (40% weight)61 × 0.40 = 24.4
⚡ Performance (20% weight)74 × 0.20 = 14.8
🏗️ Architecture & Trust (15% weight)86 × 0.15 = 12.9
Weighted sum = 19.8 + 24.4 + 14.8 + 12.9
Global SEODiff Score = 72 (B)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
9
Structure
avg 35
88
Schema
avg 9
70
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 7%
Rank #65967
+8 pts
Gap
AI (ACRI)
Top 14%
Score 77/100

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

Why buttondown.com ranks here

Tech stackNext.js
Industrydeveloper
RenderingSSR
Schema coverage4 blocks
Token bloat22.5×

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

79/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

8 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

112 chars
Too short

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✓ Exactly 1 <h1> tag — found 1
  • ✓ Has <h2> headings — found 4
  • ✓ <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 — Buttondown — Newsletter software for people like you
  • ✓ og:description — Buttondown is the last email platform you'll migrate to. We're focused on your success, not on bleeding you dry.
  • ✓ 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

61/100 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 developer sector, hikkoshizamurai.jp (ACRI: 88) 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 →
buttondown.com
49
Your ACRI Score
88
Industry Peer ACRI
AI models prioritize pages with strong semantic structure and schema coverage. hikkoshizamurai.jp has schema coverage of 5 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 5%
0% — Safe 50% 100% — Risk
Status Server-Side Rendered (Safe)
Rendering Type SSR

📊 Structure & Information Density Docs

Structure Grade 9/100 — Poor
Structured Elements 2 elements (2 lists, 0 rows, 0 headers)
Total Words758
Raw Density0.3%
💡Low structure score (9/100). Your content appears as a wall of text with few structured HTML elements. You have 2 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 ✅ Present
Total Schema Blocks4 blocks

Schema Coverage Map

5/7 schema types detected
✅ Organization
✅ Product/Service
✅ Breadcrumb
❌ FAQ
❌ Article
✅ WebSite
💡FAQ schema missing. Adding FAQPage schema lets AI models directly extract Q&A pairs for Featured Snippets and chatbot answers.

📐 AI Efficiency Metrics Docs

54
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability54/100 — AI models can partially extract answers from this page
Crawl CostMedium (50/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

4%
🗑️ 96%
Useful Content (4.5 KB)Bloat (97.0 KB)
Token Bloat Ratio22.5× — Heavy

Multimodal Readiness

Visual Context60% Optimized for Vision
Image Alt Coverage6 / 10 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 101.5 KB, but only 4.5 KB is text. 4% useful / 96% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (22.5×) risks context-window truncation by ChatGPT, Claude, and Gemini. Reduce inline scripts, CSS, hydration payloads, and tracking code.

🔥 Structural Entropy Check Research

0 Entropy
Poor Token Bloat: High
Noise Ratio: 95.6% · SNR: 0.05 · Signal: 1155 / Noise: 24827 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 buttondown.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
Buttondown is an email platform prioritizing customer needs and long-term sustainability over rapid growth, focusing on providing a high-quality experience for both writers and readers.
Target Audience
Writers, newsletter creators, and readers seeking a privacy-focused and customer-centric email platform.
Pricing Model
Subscription-based, with a focus on long-term sustainability and avoiding aggressive growth strategies.
🔗 Integration Partners
DocsIntegrationsAlternativesGuides
🏆 Competitive Moat
Customer-centric approach and commitment to data privacy differentiate Buttondown from competitors prioritizing rapid growth and aggressive monetization.
📊 Content Depth
6/10
🔄 Programmatic SEO Signals
TestimonialsDocsFeaturesIntegrationsAlternativesGuides
⚡ Key Pain Points
• Potential for aggressive growth strategies impacting service quality
• Reliance on opt-in tracking to protect user privacy
Analyzed by SEODiff AI · 2026-02-28

🔧 Tech Stack

FrameworkNext.js
AI-Readiness Score70/100
ServerHeroku
CDN
HTTP Status200
Load Time612 ms
Raw HTML Size101.5 KB
Visible Text Size4.5 KB

Performance & Speed

74/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

612 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

324
DOM nodes
102 KB
HTML payload
Moderate weight — acceptable for most scenarios

🗄️ Cache & CDN

  • ✓ Cache-Control header → private, no-cache, no-store, max-age=0, must-revalidate
  • ✗ CDN cache status
  • ✗ CDN detected

🔬 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

86/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

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

🔗 Linking

38
internal links
6
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 49/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for buttondown.com
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/buttondown.com" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=buttondown.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 56 pages · Deep-10

Homepage ACRI
49
Single-page score
0
Consistent readability
Δ delta
Site-Wide ACRI
49
Avg across 56 pages · Range 0–68
Topical Cohesion
7%
Topical Drift
TF-IDF cosine similarity
Total Words
16048
Avg Bloat
61.7×
RAG Fractures [?]
50
⚠️
50 RAG-Chunking Fractures Detected

Poorly formatted tables or pricing grids on 50 pages will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://buttondown.com/features
Buttondown's features
pricing 68 19.9× 979 ⚠️ RAG Fracture
https://buttondown.com/pricing
Pricing — Buttondown
pricing 65 37.2× 651 ⚠️ RAG Fracture
https://buttondown.com/blog/2017-12-26-2017-in-review
2017 in review
pricing 65 26.1× 586 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-05-16-sending-newsletters-that-get-delivered
Sending newsletters that get delivered
pricing 65 29.0× 523 ⚠️ RAG Fracture
https://buttondown.com/blog/2021-01-06-webhooks-and-the-programming-page
Webhooks and the programming page
pricing 65 29.6× 523 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-11-04-reminding-folks-to-confirm-their-subscription
Reminding folks to confirm their subscription
pricing 65 28.5× 535 ⚠️ RAG Fracture
https://buttondown.com/blog/2020-12-31-buttondown-in-2021
Buttondown in 2021
pricing 65 27.3× 552 ⚠️ RAG Fracture
https://buttondown.com/about
About
pricing 60 33.3× 602 ⚠️ RAG Fracture
https://buttondown.com/docs
Welcome to Buttondown! | Buttondown Docs
pricing 60 226.3× 544 💰 Pricing
https://buttondown.com/features/api
Email Newsletter API Integration for Developers - Buttondown
pricing 55 85.3× 455 ⚠️ RAG Fracture
https://buttondown.com/blog/2018-05-04-april-updates
April updates
pricing 55 39.7× 359 ⚠️ RAG Fracture
https://buttondown.com/blog/2018-06-03-may-updates
May updates
pricing 55 49.8× 284 ⚠️ RAG Fracture
https://buttondown.com/blog/2018-07-04-june-updates
June updates
pricing 55 36.8× 390 ⚠️ RAG Fracture
https://buttondown.com/blog/2018-12-02-a-belated-update
Winter update
pricing 55 35.3× 411 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-04-07-april-updates-2
April updates
pricing 55 35.7× 413 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-05-04-may
May updates
pricing 55 36.6× 395 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-06-19-easy-subscriber-filters
Easy subscriber filters
pricing 55 49.7× 289 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-06-21-open-beta-multiple-newsletters
Open beta: multiple newsletters
pricing 55 61.0× 232 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-07-30-embedding-instagram-photos-into-your-emails
Embedding Instagram photos into your emails
pricing 55 65.4× 218 ⚠️ RAG Fracture
https://buttondown.com/blog/2019-11-06-annual-subscriptions-for-paid-newsletters
Annual subscriptions for paid newsletters
pricing 55 48.4× 302 ⚠️ RAG Fracture
Showing 20 of 56 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
/blog/ 46 53 1% 63.7× Bot Blocked
/features/ 2 62 1% 52.6× Bot Blocked
/pricing/ 1 65 1% 37.2× Bot Blocked
/about/ 1 60 1% 33.3× Bot Blocked
/docs/ 1 60 1% 226.3× Bot Blocked
/contact/ 1 31 1% 123.3× Bot Blocked
/products/ 1 0 0% 0.0× Low AI Readiness
/faq/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 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 56 pages
github.com ×51
facebook.com ×50
docs.buttondown.com ×50
threads.net ×50
bsky.app ×50
twitter.com ×50
mastodon.social ×50
linkedin.com ×50
🔄 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/buttondown.com

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

🔗 Similar developer Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
buttondown.com (this site) 49 77 Next.js 22.5× 4
dbjourney.com 74 87 Next.js 8.9× 2 Compare →
raymii.com.tw 74 82 Next.js 8.6× 1 Compare →
clarev.com 74 88 Next.js 8.5× 1 Compare →
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Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite buttondown.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 buttondown.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 4% 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 Buttondown?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Buttondown does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Buttondown work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Buttondown."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

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

Current Score
77
Projected Score
85
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

🧠 AI Citation Graph

How this domain is cited across the machine-readable web

0.8
AI-Trust
#1535
Global Rank
14%
Percentile
4
Inbound AI Links
8
Outbound AI Links
44
Avg Inbound ACRI
25%
AI-Restricted Backlinks
Top AI Referrers
Domain ACRI AI-Trust Direction
dri.es 56 0.0 ← cites you
redmonk.com 52 0.0 ← cites you
adactio.com 42 0.0 ← cites you
seangoedecke.com 27 0.0 ← cites you
View Full AI-Trust Leaderboard →
🔍 Found indexing issues?
Run a free deep audit to diagnose crawled-not-indexed, soft 404s, redirect errors, and more.
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