In 2025, Google's market share has declined to below 90%, marking one of its weakest performances since 2015. To maintain its dominance, Google has been increasing the use of AI Overviews—AI-generated summaries for search results. Research indicates that the prevalence of these Overviews varied from 18% to almost 30% of searches in 2025. Despite no solid evidence from Google on user satisfaction, studies suggest that users are less likely to click on links when AI Overviews are present, raising concerns about the reliability of these summaries compared to expert-written articles.
Google's market share has dipped below 90% for almost every month in 2025. The search engine is seeking to cement its dominance with more AI Overviews.
AI Overviews are roughly 250-word AI-written summaries atop some search results. Research found them on as many as 18% of all queries.
In March 2025, Pew Research found that 18% of searches came with AI Overviews. A sudden jump in May 2025 saw nearly 30% of searches featuring them.
The Pew study suggests users trust Google AI Overviews, being 50% less likely to click links in search results that include an AI Overview.
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