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GEO Knowledge Hub & Magazine

Visibility in the era of ChatGPT, Perplexity & Claude

Practical guides and technical documentation on optimizing for generative AI search systems — for businesses and agencies who want to understand how they become visible in AI answers.

GEO Guide1 min read
Example simulationAustin

"Which provider for bookkeeping services in Austin do you recommend?"

Mention:Yes, with source
Link:Own website

Illustrative example, not a real measurement.

GEO Foundations·Geosed Editorial Team

What is Generative Engine Optimization (GEO)?

How GEO relates to classic SEO.

Read more

More articles are added regularly.

robots.txt recommendation for AI search engines
# OpenAI ChatGPT Search
User-agent: OAI-SearchBot
Allow: /

# Perplexity AI
User-agent: PerplexityBot
Allow: /

# Anthropic Claude
User-agent: ClaudeBot
Allow: /

# Google Gemini (Trainingsdaten, optional)
User-agent: Google-Extended
Allow: /

Add these lines to your existing robots.txt so AI search engines like ChatGPT Search and Perplexity can crawl your site.

GEO glossary

The most important Generative Engine Optimization terms, explained simply.

4 key terms
Citation rateMetric

The share of test questions in which an AI language model lists your website as a clickable source in its answer.

Brand share of voice in AI answersAnalysis

Measures how often your own brand is named relative to direct competitors on neutral industry questions.

RAG (Retrieval-Augmented Generation)Technology

The process services like Perplexity or ChatGPT Search use to search live web pages so an answer is enriched with current facts before it is generated.

Knowledge graph disconnectRisk area

Occurs when details differ between your Google Business Profile, directory listings, and your own website, which makes AI models trust the information less.

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