Similarweb: Google AI Overviews Went From 15% to 43% of Searches in One Year
TechCrunch·medium signal
New Similarweb data reported July 27 puts AI Overviews on 43% of Google searches, up from 15% a year ago — a near-tripling that makes AI-generated answers the default discovery surface rather than an experiment. Other trackers put the figure closer to 48%, so treat 43% as the conservative read. This is the supply-side counterpart to the publisher traffic collapse: the mechanism driving referral decline is now quantified at the query level, not just the outbound-clicks level.