Test Your Website's Visibility in AI Search Engines

GEO detection tool empirically validated by top academic papers. Enter a URL to get a 0-100 score and optimization recommendations

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GEO (Generative Engine Optimization) refers to the strategy system for optimizing content visibility for AI search engines like ChatGPT, Perplexity, and others. According to empirical research published in KDD 2024 by researchers from Princeton University and Georgia Tech, AI search is reshaping how people access information — as of 2025, over 750 million users worldwide get information through AI assistants. Traditional SEO cannot guarantee being cited in AI answers. GEO Scanner detects 12 categories and 60+ metrics, providing optimization recommendations based on empirical research from multiple top papers.

+41% Expert quotation visibility boost
+115% Low-ranking site逆袭 potential
60+ GEO detection metrics
12 Detection dimensions
"In the generative engine era, traditional SEO keyword stuffing strategies cause 8-10% visibility decline, while adding expert quotations brings +41% visibility improvement, and source citations produce +115.1% visibility leap for low-ranking websites." —— KDD 2024 Paper "Is ChatGPT Good at Search?"
"AI search engines significantly prefer third-party authoritative sources (Earned Media) over brand-owned content. Topic relevance and list position are the most critical factors determining whether content gets cited." —— Competitive GEO Research Papers (2025-2026)

Generate llms.txt

Generate standard-compliant llms.txt files for any website to help AI better understand website content

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Generate llms.txt

Generate standard-compliant llms.txt files for any website following the llmstxt.org standard, helping AI search engines (ChatGPT, Perplexity, etc.) better understand your website content and improve AI citation rates.

About llms.txt

What is llms.txt?

llms.txt is a standardized file similar to robots.txt, placed in the website root directory. It uses Markdown format to provide AI with a structured overview of the website, helping AI models quickly and accurately understand website content.

Why do I need llms.txt?

As AI search becomes the mainstream way to access information, websites need to proactively provide structured content guidance to AI models. llms.txt can significantly improve AI's understanding accuracy and citation probability of your website content.

What does the generated file contain?

Includes site name, description, core page navigation (with links and descriptions), main features/services introduction, contact information, etc. AI can quickly establish a complete understanding of the website when visiting.

GEO Scanner Methodology

Complete Guide to Generative Engine Optimization

What is GEO

GEO (Generative Engine Optimization) is a content optimization strategy for AI search engines and large language models. Unlike traditional SEO (Search Engine Optimization) which focuses on ranking in search results pages, GEO's goal is to have your content directly cited in AI model answers.

40%+
Users trust AI search cited sources more
3.2x
CTR improvement for AI-recommended content
67%
Users use AI assistants as primary info source

Core differences between GEO vs SEO:

  • SEO: Optimize keyword density, backlink count, page authority, pursue high ranking in SERP
  • GEO: Optimize content structure, authority, citability, pursue being extracted and cited by AI models
  • Core Difference: SEO targets crawler algorithm ranking, GEO targets LLM knowledge retrieval and generation logic

Scoring System Explanation

12 Detection Categories & Weights:

Crawlability
12%
Understandability
10%
Answer Readiness
8%
Citability
10%
Trust & Authority
6%
Content Depth
7%
Freshness
5%
GEO Content Opt (Paper-Validated)
15%
Competitive GEO (Paper-Validated)
6%
Intl AI Ecosystem
8%
AI Native Features
5%
Performance
9%

Grade Mapping (A-F):

A90-100 ptsExcellent, very high AI citation probability
B80-89 ptsGood, AI likely to cite
C70-79 ptsAverage, some dimensions need improvement
D60-69 ptsPoor, significant GEO deficiencies exist
F0-59 ptsCritical, almost never cited by AI

Detection Item Scoring Mechanism:

PASS Meets GEO best practices
WARN Room for improvement, recommended to optimize
FAIL Severely impacts AI citation, must fix

12 Detection Dimensions Explained

01 Crawlability
  • robots.txt configuration allows AI crawler access
  • XML sitemap availability
  • Page accessible without JavaScript
  • No soft 404 or redirect chain issues
02 Understandability
  • Semantic HTML structure (h1-h6 hierarchy)
  • Schema.org structured data markup
  • Clear heading and paragraph organization
  • Language markup and encoding correctness
03 Answer Readiness
  • FAQ/QA format content ratio
  • Clear question-answer pairing
  • Definitions, steps, lists and other extractable formats
  • Concise direct conclusive statements
04 Citability
  • Author attribution and source information
  • Publication date and update date labeling
  • Standard citation format support
  • Unique perspectives and data support
05 Trust & Authority
  • HTTPS secure connection
  • About us/contact page completeness
  • External authoritative source citations
  • E-E-A-T signal presentation
06 Content Depth
  • Content length and information density
  • Multi-angle topic coverage
  • Includes specific data and cases
  • Clear terminology explanations
07 Freshness
  • Content last update time
  • Copyright year is up to date
  • Time-sensitive content date-labeled
  • Regular update mechanism
08 GEO Content Opt (Paper-Validated)
  • Expert quotations (+41% improvement)
  • Statistics (+30~40% improvement)
  • Source citations (+115% for low-ranking)
  • Fluency optimization (+24% improvement)
09 Competitive GEO (Paper-Validated)
  • Social proof and user reviews (AI prefers third-party reviews)
  • Third-party authoritative source (Earned Media) identification
  • Marketing language usage assessment
  • Information density and value proposition clarity
10 Intl AI Ecosystem
  • International AI crawler adaptation
  • English content quality and structure
  • Global authoritative source citations
  • Multilingual and hreflang configuration
11 AI Native Features
  • LLMS.txt configuration file
  • Human review labeling for AI-generated content
  • Content blocks suitable for summary extraction
  • No AI-unfriendly anti-crawl mechanisms
12 Performance
  • Page loading speed
  • Mobile-friendliness
  • No intrusive ads/popups
  • Core Web Vitals metrics

GEO Optimization Best Practices

1
Create LLMS-friendly content structure

Use clear heading hierarchy (H1-H3), lists, tables, FAQ sections. Place core conclusions at the beginning of each paragraph so AI models can quickly extract key information.

2
Deploy Schema.org structured data

Add Article, FAQPage, HowTo, Product and other schema markup to help AI understand content types and key entity relationships.

3
Configure llms.txt file

Create llms.txt in the website root directory to provide content guidance, sitemap and usage instructions for AI crawlers, similar to robots.txt for search engines.

4
Add expert quotations and statistics

Reference industry expert viewpoints, add specific data and percentages. According to KDD 2024 paper, these two strategies bring +41% and +30~40% visibility improvements respectively.

5
Build E-E-A-T authority signals

Show author qualifications, publishing organization information, citation sources, publication dates and update records to increase content credibility and citation probability.

6
Organize content in Q&A format

Predict questions users may ask, organize content in "question + direct answer + detailed explanation" format, matching AI answer generation logic.

7
Ensure AI crawler accessibility

Don't block AI crawler User-Agents like GPTBot, ClaudeBot, etc. in robots.txt.

8
Maintain content freshness

Regularly update content and label update dates. AI models tend to cite the latest information, and outdated content has significantly lower citation probability.