Article

How AI Search Really Works: Findings from Our AI Visibility Study

Semrush · semrush.com

Large-scale evidence that mentions and citations are different things, and how each is earned.

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The question it answers

  1. How do AI assistants actually choose which sources to cite in an answer?

Read with it

  1. The peer-reviewed experiment that coined GEO and proved which content tweaks raise citation visibility 22-41%. arxiv.org Article GEO: Generative Engine Optimization (the original paper) Aggarwal, Murahari et al. (Princeton & IIT Delhi)
  2. Shows even one assistant cites differently by mode, so you must test prompts, not assume. semrush.com Article Only 25% of cited sources overlap between ChatGPT's reasoning modes Semrush
  3. 3.7M citations analyzed: 91% of cited URLs appear in only one engine, which changes your whole strategy. growth-memo.com Article The Consensus Gap Kevin Indig (Growth Memo)
  4. Video How AI Search Engines Work (Ahrefs AEO Course 1.1) Ahrefs (Sam Oh)
  5. Video How Ranking in Google AI Overviews, ChatGPT, and Perplexity Differ (Ahrefs AEO Course 1.2) Ahrefs (Sam Oh)
  6. Reputation specialists explain the authority and extractability signals engines reward. fiveblocks.com Article How do AI-powered search engines like Perplexity rank and cite sources? Five Blocks
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