Pew Study Shows Google AI Summaries Are Reshaping Search Click Behavior

A Pew Research Center study has revealed a major shift in search behavior following the introduction of AI-generated summaries in Google search results. When an AI summary appeared alongside traditional search results, users were 8% less likely to click through to the original source compared to when no summary was present. This study analyzed browsing data from 900 U.S. adults over 68,879 Google searches conducted in March 2025.

While the exact cause-and-effect relationship remains unclear, the findings indicate that AI summaries are significantly reducing the amount of outbound traffic to publisher websites. Users were more likely to stop their search journey after encountering an AI summary, with 26% of visits ending on the search results page itself, compared to 16% for pages without a summary.

The study emphasizes that appearing in search results may no longer guarantee a visit when the results page itself provides a concise answer. For publishers and SEO teams, this implies that search rankings alone may no longer translate into equivalent traffic. Organizations should focus on creating content that provides unique value beyond brief summaries, such as original reporting, expert analysis, detailed information, and tools designed to support more in-depth decision-making.

Measuring outcomes beyond simple session clicks, such as qualified leads, subscriptions, and product actions, becomes crucial. The study also highlights the importance of distinguishing between search visibility and actual traffic, as a page may rank highly but receive fewer visits if users are satisfied with the AI-generated summary.