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How does ChatGPT decide what to cite?

How does ChatGPT decide what to cite?

In short: ChatGPT and other AI systems cite sources based on authority signals, content structure, freshness, semantic relevance, and human insight. They don't cite randomly — they follow patterns that prioritize trustworthy, well-structured, and recently updated content.

AI systems don't cite randomly. They follow patterns.

What do AI systems look for?

  1. 1.Authority signals — Domain age, backlinks, consistent publishing
  2. 2.Content structure — Clear headings, lists, direct answers
  3. 3.Freshness — Recent updates signal relevance
  4. 4.Semantic relevance — Content that directly answers the question
  5. 5.Human insight — Unique perspectives AI can't fabricate

How to optimize for citations

  • Use semantic HTML with proper heading hierarchy
  • Structure content as direct answers to questions
  • Update content regularly
  • Provide unique insights, not just summaries
  • Build off-site mentions and citations

The framework

Think: Trust signals over keyword density

  • Authority > keywords
  • Structure > optimization
  • Freshness > evergreen
  • Relevance > volume
  • Insight > summaries

The conclusion

AI systems are looking for the same things humans value: clear, authoritative, relevant answers. Structure your content accordingly, and you'll increase your chances of being cited.

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