spring.io 62 C
🛡️ SEO 41 🤖 GEO 60 ⚡ Perf 68 🏗️ Arch 91

spring.io — Global SEODiff Score 62/100

spring.io
📊

spring.io achieves a 72/100 on the AI-Crawler Reality Index, reflecting above-average readiness for AI-driven discovery. Within the developer vertical, this places spring.io 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. A 50.0× token bloat ratio means crawlers must process significantly more tokens to reach the actual content — a drag on extraction efficiency. Zero schema blocks puts this site at a disadvantage in knowledge graph and AI-answer pipelines that rely on explicit structured data. The site maintains an open-door policy for AI crawlers — GPTBot, ClaudeBot, and other major agents are all allowed.

62
C — Global SEODiff Score
Comprehensive search visibility assessment
Strong foundations, but Traditional SEO (41) is your bottleneck.
🎯 Top Fix: Reduce token bloat (92×) → +5–10 pts
🔬 Automated SEODiff Assessment · Snapshot: Mar 19, 2026 · 📋 API
📈 ACRI Trend 4 snapshots
Mar 3 Mar 19
🔔 Recent AI Indexing Activity
📈 Mar 14 ACRI +1 (46→47)
Does your site score higher than spring.io?
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)41 × 0.25 = 10.2
🤖 AI Readiness / GEO (40% weight)60 × 0.40 = 24.0
⚡ Performance (20% weight)68 × 0.20 = 13.6
🏗️ Architecture & Trust (15% weight)91 × 0.15 = 13.7
Weighted sum = 10.2 + 24.0 + 13.6 + 13.7
Global SEODiff Score = 62 (C)
📊 ACRI Sub-Scores (AI Readiness Detail)
100
Bot Access
avg 92
99
Rendering
avg 93
51
Structure
avg 35
0
Schema
avg 9
75
Tech Stack
avg 63
🔀
Visibility Delta: Google vs AI
Google (Tranco)
Top 1%
Rank #11278
+26 pts
Gap
AI (ACRI)
Top 27%
Score 72/100

spring.io 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 spring.io ranks here

Tech stackGatsby
Industrydeveloper
RenderingSSR
Schema coverage0 blocks
Token bloat50×+

Fastest improvements

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

41/100 25 % of Global Score 🟢 High Confidence

📝 Title Tag

13 chars
Too short

Optimal range: 30–60 characters for SERP display.

📋 Meta Description

63 chars
Too short

Optimal range: 120–160 characters for snippet control.

🔤 Heading Hierarchy

  • ✗ Exactly 1 <h1> tag — found 2
  • ✓ Has <h2> headings — found 13
  • ✓ <h2> not before <h1>

🔍 Indexability

  • ✓ Canonical tag present → https://spring.io/
  • ✓ 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
  • ✗ og:description
  • ✓ 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

60/100 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 →
spring.io
47
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 51/100 — Fair
Structured Elements 50 elements (50 lists, 0 rows, 0 headers)
Total Words640
Raw Density7.8%

🏷️ 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

41
AI Extractability
Medium
Crawl Cost
None
Blocklist Risk
Extractability41/100 — AI models can partially extract answers from this page
Crawl CostMedium (65/100) — moderate for AI crawlers to process
Blocklist RiskNone — 0 of 5 AI crawlers blocked

Token Bloat Research

1%
🗑️ 99%
Useful Content (4.3 KB)Bloat (389.1 KB)
Token Bloat Ratio50×+ — Bloated

Multimodal Readiness

Visual Context91% Optimized for Vision
Image Alt Coverage10 / 11 images have alt text

TDM Rights

TDM-Reservation HeaderNot set
X-Robots-Tag: noaiNot set
💡Your HTML is 393.4 KB, but only 4.3 KB is text. 1% useful / 99% bloat. AI crawlers have limited context windows (e.g. 128k tokens). This level of bloat (50×+) 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: 98.9% · SNR: 0.01 · Signal: 1096 / Noise: 99611 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 spring.io 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
Spring is a Java-based framework for building enterprise applications, providing tools and libraries for various aspects of software development, including
Target Audience
Developers, Java developers, software architects, DevOps engineers, and Spring framework users.
Pricing Model
Open source (Apache 2.0 license). Commercial support and enterprise features available through Spring Development Fund and SpringForge.
🔗 Integration Partners
RabbitMQRedisKafkaGitHub
🏆 Competitive Moat
Comprehensive Java framework with a large community, extensive documentation, and a wide range of integrations, fostering rapid development and maintainability.
📊 Content Depth
8/10
🔄 Programmatic SEO Signals
Release notes pagesGitHub repository linksBlog posts about Spring features
⚡ Key Pain Points
• Lack of structured FAQ schema
• Thin landing pages for features
Analyzed by SEODiff AI · 2026-02-28

🔧 Tech Stack

FrameworkGatsby
AI-Readiness Score75/100
Servercloudflare
CDNcloudflare
HTTP Status200
Load Time603 ms
Raw HTML Size393.4 KB
Visible Text Size4.3 KB

Performance & Speed

68/100 20 % of Global Score 🟢 High Confidence

⏱️ Time to First Byte

603 ms
Slow — bots may time out or deprioritise

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

📦 Page Weight

598
DOM nodes
393 KB
HTML payload
Heavy page — consider reducing DOM complexity

🗄️ Cache & CDN

  • ✓ Cache-Control header → public, max-age=0, must-revalidate
  • ✓ 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

91/100 15 % of Global Score 🟢 High Confidence

🗺️ Sitemap & Robots

  • ✓ Sitemap declared in robots.txt → https://spring.io/sitemap-index.xml
  • ✓ Googlebot allowed
  • ✓ GPTBot allowed
  • ✓ ClaudeBot allowed

🔗 Linking

80
internal links
16
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 47/100. Reach 80+ to unlock the green "AI-Verified" badge. Fix the issues below to improve your score.

AI-Verified badge for spring.io
Pending Audit — score below 80 threshold
<a href="https://seodiff.io/radar/domains/spring.io" rel="noopener"><img src="https://seodiff.io/api/v1/badge?domain=spring.io" 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 152 pages · Deep-10

Homepage ACRI
47
Single-page score
+2
Consistent readability
Δ delta
Site-Wide ACRI
49
Avg across 152 pages · Range 0–77
Topical Cohesion
12%
Topical Drift
TF-IDF cosine similarity
Total Words
189561
Avg Bloat
136.4×
RAG Fractures [?]
1
⚠️
1 RAG-Chunking Fracture Detected

Poorly formatted tables or pricing grids on 1 page will be split incorrectly during RAG chunking, causing AI models to hallucinate prices and features.

Page Type ACRI Token Bloat Words Status
https://spring.io/guides/tutorials/spring-security-and-angular-js
Getting Started | Spring Security and Angular
pricing 77 6.5× 18232 💰 Pricing
https://spring.io/guides/tutorials/spring-webflux-kotlin-rsocket
Getting Started | Spring Boot with Kotlin Coroutines and RSocket
pricing 67 14.8× 6182 💰 Pricing
https://spring.io/guides/tutorials/rest
Getting Started | Building REST services with Spring
pricing 67 12.1× 7764 💰 Pricing
https://spring.io/guides/topicals/observing-graphql-in-action
Getting Started | Observing GraphQL in action
blog 64 17.9× 4839
https://spring.io/guides/tutorials/spring-boot-oauth2
Getting Started | Spring Boot and OAuth2
pricing 64 19.4× 4382 💰 Pricing
https://spring.io/guides/gs/rest-service-cors
Getting Started | Enabling Cross Origin Requests for a RESTful Web Service
pricing 59 29.0× 2920 💰 Pricing
https://spring.io/guides/gs/uploading-files
Getting Started | Uploading Files
pricing 59 30.6× 2740 💰 Pricing
https://spring.io/guides/gs/spring-boot
Getting Started | Building an Application with Spring Boot
pricing 59 37.7× 2171 💰 Pricing
https://spring.io/guides/gs/securing-web
Getting Started | Securing a Web Application
pricing 59 38.7× 2119 💰 Pricing
https://spring.io/guides/gs/managing-transactions
Getting Started | Managing Transactions
pricing 59 35.7× 2262 💰 Pricing
https://spring.io/guides/gs/testing-restdocs
Getting Started | Creating API Documentation with Restdocs
pricing 59 38.9× 2093 💰 Pricing
https://spring.io/guides/gs/contract-rest
Getting Started | Consumer Driven Contracts
pricing 59 44.1× 1848 💰 Pricing
https://spring.io/guides/gs/multi-module
Getting Started | Creating a Multi Module Project
pricing 59 32.3× 2572 💰 Pricing
https://spring.io/guides/gs/spring-cloud-loadbalancer
Getting Started | Client-Side Load-Balancing with Spring Cloud LoadBalancer
pricing 59 39.5× 2080 💰 Pricing
https://spring.io/guides/gs/crud-with-vaadin
Getting Started | Creating CRUD UI with Vaadin
pricing 59 34.7× 2346 💰 Pricing
https://spring.io/blog/2006/05/30/getting-started-with-jpa-in-spring-2-0
Getting Started With JPA in Spring 2.0
blog 59 28.6× 2847
https://spring.io/guides/tutorials/spring-boot-kotlin
Getting Started | Building web applications with Spring Boot and Kotlin
pricing 59 28.5× 2981 💰 Pricing
https://spring.io/blog/2006/08/25/validation-logic-and-my-first-post
Validation logic (and my first post!)
blog 56 86.4× 895
https://spring.io/guides/gs/async-method
Getting Started | Creating Asynchronous Methods
pricing 56 42.3× 1888 💰 Pricing
https://spring.io/guides/gs/serving-web-content
Getting Started | Serving Web Content with Spring MVC
pricing 56 54.5× 1454 💰 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
/blog/ 75 48 0% 225.8× High JS Bloat
/guides/ 68 57 0% 56.0× High JS Bloat
/faq/ 1 0 0% 0.0× Low AI Readiness
/pricing/ 1 0 0% 0.0× Low AI Readiness
/docs/ 1 0 0% 0.0× Low AI Readiness
/contact/ 1 0 0% 0.0× Low AI Readiness
/integrations/ 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
/about/ 1 0 0% 0.0× Low AI Readiness
/case-studies/ 1 0 0% 0.0× Low AI Readiness
🔗
Outbound External Citations
0 unique external domains cited across 152 pages
github.com ×143
micrometer.io ×143
broadcom.com ×143
start.spring.io ×143
projectreactor.io ×143
spring.academy ×143
enterprise.spring.io ×143
youtube.com ×143
🔄 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/spring.io

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

🔗 Similar developer Sites

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

Domain ACRI AI Score Tech Stack Token Bloat Schema
spring.io (this site) 47 72 Gatsby 91.9× 0
ghwk.de 72 78 TYPO3 2.2× 0 Compare →
shop.wba.co.uk 72 82 Cloudflare Pages 1.9× 0 Compare →
osssoftware.org 72 80 FastAPI 5.4× 0 Compare →
firefox-source-docs.mozilla.org 72 80 Custom / Proprietary 5.6× 0 Compare →
docs.racket-lang.org 72 80 Express 5.5× 0 Compare →
Compare All 5 Similar Sites →

📊 Semantic Share of Voice

How often would an AI cite spring.io 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 spring.io. 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": "Spring",
  "url": "https://spring.io",
  "logo": "https://spring.io/favicon-32x32.png?v=96334d577af708644f6f0495dd1c7bc8",
  "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": "Spring",
  "url": "https://spring.io",
  "potentialAction": {
    "@type": "SearchAction",
    "target": "https://spring.io/search?q={search_term_string}",
    "query-input": "required name=search_term_string"
  }
}
</script>
Reduce Token Bloat
Medium Impact ⏱ 1–2 hrs
Only 1% 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 Spring?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Add your answer here — describe what Spring does in 1-2 sentences."
      }
    },
    {
      "@type": "Question",
      "name": "How does Spring work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Explain the key features and how users interact with Spring."
      }
    }
  ]
}
</script>
📈

Projected Impact

ROI EST.

If you apply the patches above, here's the estimated improvement for spring.io:

Current Score
72
Projected Score
90
Improvement
+18 pts
Add Organization schema +6 pts
Add WebSite schema +4 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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