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Your content might be excellent, but if AI systems can't access, crawl, and understand it, you won't get cited. This section covers the technical foundations that enable AI visibility.

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Most sites have at least one issue here - and fixing these often delivers quick wins.

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Part 1: AI Crawler Access (robots.txt)

Your robots.txt file controls which bots can access your site. Many sites are unknowingly blocking AI crawlers - or haven't explicitly allowed them.

Understanding AI crawlers

Each AI platform uses different crawlers:

Crawler Platform Purpose
GPTBot OpenAI Training data and ChatGPT browsing
ChatGPT-User OpenAI Real-time browsing when users ask ChatGPT to search
ClaudeBot Anthropic Claude's web access
PerplexityBot Perplexity Real-time search and citation
Google-Extended Google AI training (separate from Googlebot)
Googlebot Google Standard search indexing (also feeds AI Overviews)
Bingbot Microsoft Bing search and Copilot

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Important distinction:

Check your current robots.txt

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Visit: yourdomain.com/robots.txt

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Common problems

Problem 1: Blanket block

User-agent: * Disallow: /

This blocks everything from everyone - including AI crawlers.

Problem 2: Blocking AI crawlers specifically

`User-agent: GPTBot Disallow: /

User-agent: ClaudeBot Disallow: /`

Some sites added these blocks during AI hype/fear cycles. If you want AI visibility, remove them.

Problem 3: No explicit AI crawler rules