Google AI Overviews now trigger on 25-48% of searches depending on category. Organic click-through rates drop 15-47% when an AI Overview appears.
1 min read
What changed
As of Q1 2026, roughly 25% of all Google searches trigger an AI Overview, rising to 48% in categories like health, finance and B2B technology
Organic click-through rates drop between 15% and 47% when an AI Overview appears on the results page
Some publishers report traffic declines as high as 89% for specific content types
In Australia, 26% of searches with AI summaries end without any clicks at all
What it means
The traffic model that underpins most content marketing strategies is being restructured. If your organic strategy depends on ranking for informational queries in health, finance or technology, you are already losing clicks to AI-generated answers. The businesses that will hold traffic are those cited as sources within AI Overviews, not just those ranking on page one.
What to do
Audit your top 20 organic landing pages in Search Console. Check whether AI Overviews are triggering for your target queries
Prioritise content with original data, proprietary research and expert quotes. AI Overviews cite sources that add information Google cannot generate itself
Add FAQ schema and structured data to increase your chances of being cited in AI responses
Diversify traffic sources. Email, direct and referral channels are not affected by AI Overview cannibalisation
Source: MarketingProfs, eMarketer, b2the7.com (April 2026)