AI Overviews are draining your cheapest top-of-funnel
Google answers most informational searches on the page now. Here is what that does to your blended CAC and the budget moves that still pay back.
Some links below are partner links. We may earn a commission at no extra cost to you. How we make money.
The cheapest leads you ever bought were the organic clicks on informational search. Someone asked Google a question, your post answered it, the visit cost nothing but the writing. That line item is repricing. Google now answers a large share of informational searches right on the results page, inside an AI Overview, so the searcher never reaches your site. The clicks that fed the top of your funnel for free are draining, and the budget you save by ignoring it comes back as a higher blended cost per acquisition.
What happened
AI Overviews started as a US experiment in 2024 and widened fast. At Google I/O in May 2026 the company said its conversational AI Mode crossed one billion monthly users, and that AI Overviews reach roughly two billion people every month. (Google's I/O recap confirms AI Mode; TechCrunch reported the two-billion figure.)
people per month
monthly, as of May 2026
AIO ads, Dec 2025
Coverage is uneven, and the unevenness is the whole story for your budget. Tracking firms put Overviews on roughly half of all searches, climbing higher in health, finance, and tech, where most queries are informational. The more a question can be answered in a paragraph, the more likely Google answers it for you. In December 2025 it also pushed AI Overview ads into eleven more countries. Read that as a pricing signal: the free traffic at the top is turning into inventory Google sells.
The money angle
The traffic you are losing is your lowest-CAC traffic. That is what makes this expensive. Informational posts were always weak at converting, so losing them dents your traffic chart far more than your revenue. The visits that still convert sit elsewhere. Someone searching your business name, or "[your service] near me", is hard for an Overview to satisfy without sending a click, and that click books work.
Being known now buys a place in the answer too. Google's AI tends to cite recognizable, frequently-mentioned sources, so brand recognition has quietly become a paid-media discount you earn instead of buy. Worth chasing as a brand asset. Not a traffic line you can forecast.
Where it breaks
The failure mode is spending the next quarter trying to win back informational clicks that are not coming back. Owners see the dip, panic, and publish more how-to posts aimed at queries an Overview now answers. That is the one place the leak is widest. The budget belongs downstream, on searches that still send a buyer and pages that turn a buyer into revenue. How that buyer-side discovery now works is the thread we follow in how AI decides which business to recommend and why people search your brand by name.
Your move this week
Tools earn their place by showing which terms still pay and by catching the visit, since each surviving lead carries more revenue weight. Semrush maps which queries in your category still send clicks. Surfer helps build the page to rank. A booking and follow-up system like GoHighLevel makes sure a scarcer lead never cools off before you reply.
What the work needs
Semrushfind buying-intent terms still sending clicks
Surferbuild the page to rank for them
GoHighLevelbooking, forms, instant follow-upWhat to watch
Two questions decide the cost. First, the price of the answer box: Google is wiring ads into Overviews and AI Mode, so watch whether buying into that space stays affordable for a small budget or becomes an auction only big spenders win. Second, the citations: a link inside an Overview sends only a trickle today, and that math changes only if Google starts sending publishers real referral volume. More on the wider shift in our lead gen coverage.
Frequently asked questions
Will AI Overviews wipe out my Google traffic and my pipeline?
No, but it changes the mix. Overviews mostly hit informational and how-to searches, which were already your worst-converting traffic. Branded searches, buying-intent queries, and local Maps searches still send clicks, and those are the ones that book revenue.
Can I turn off AI Overviews for my own pages?
Not in any reliable way. You can block AI crawlers, but that usually removes you from the answer instead of removing the answer. For most owners the cheaper bet is to get cited, not hidden.
Does getting cited inside an AI Overview send paying traffic?
A little. Public studies show a cited brand gets more clicks than an uncited one, but the click rate stays well below a normal blue link. Treat citation as a brand asset that lowers future CAC, not a traffic line you can forecast.
Should small businesses still publish blog content?
Yes, with a money goal attached. Write to get named by the AI, to rank for buying-intent terms, and to give a real reason to visit. Thin how-to posts written only for clicks are the line item to cut first.
About The Margin
The brief on marketing that actually pays. Funnels, CRM, paid ads and lead gen for operators who care about ROI. How we work
Keep reading
Related briefings
When AI recommends a business, what is it buying?
When AI recommends a business, what is it buying?
Half of US shoppers research with AI, and that traffic converts a third better. Here is what the assistants pull from, and how to get named without paying for it.
The move. AI referrals convert about a third better than other channels, and the way in is free: Merchant Center, Perplexity's merchant program, clean schema, and fresh reviews. If you are not in the data, you are not in the answer, and you pay for that buyer somewhere else.
The one search AI cannot reprice: people typing your name
The one search AI cannot reprice: people typing your name
AI answers are eating generic search and pushing up CAC. Demand for your name is the traffic no model can intercept. Here is how to build it on a small budget.
The move. Branded demand is the lowest-CAC, highest-converting traffic you own, and no algorithm change can reprice it. Build demand for your name, own your first screen, and become the source the AI repeats.
Google Ads gave you back three controls. Use them to stop waste
Google Ads gave you back three controls. Use them to stop waste
Performance Max was a black box. In 2026 you can see search terms, block placements account-wide, and add negatives. Here is how each one protects budget.
The move. Three new controls let you stop Performance Max from spending on junk and from buying back your own brand. Turn them on and you recover budget that was leaking straight out the bottom of the funnel.