Google began testing AI Overviews as the " search generative experience " in May 2023, and just a year later, they were an official part of the search engine results page (SERP). Many sites (including this one) have noticed changes to their traffic in the wake of this move,

The study is based on data from 900 US adults who shared their browsing data with Pew. Based on the study's findings, when an AI overview -- AIO -- appeared in search, users were less likely to click on links when compared to queries that didn't generate AI summaries.