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AI is splitting web search into three different realities

New research reveals that Google's three search methods—traditional search, AI Overviews, and Gemini—use vastly different sources and rankings. AI Overviews favor Google-owned content and suppress sites that block its crawler. Breaking news is often excluded from AI Overviews to avoid inaccuracies. The study highlights a growing fragmentation of web search across different AI interfaces.

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AI is splitting web search into three different realities
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Key points and analysis

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Key points

  • Google's three search methods have very low source overlap (Jaccard similarity < 0.2).
  • AI Overviews appear for 51.5% of queries, especially controversial ones.
  • AI Overviews rely more on Google-owned content; traditional search prefers government and educational sites.
  • Websites blocking Google's AI crawler are significantly less likely to appear in AI Overviews.

Highlights and analysis are generated automatically and may contain errors. Check the original source.

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