The SaaS startup AI Overviews shift shows up first in the click data. A two-week randomized experiment covering more than a thousand US Chrome users found outbound clicks dropped 38% on queries where an AI Overview appeared.
The searchers themselves rated the experience no differently than a normal results page.
The click-through math has already shifted
Researchers at the Indian School of Business and Carnegie Mellon University ran that study. They randomly assigned Chrome users to see standard results, results with AI Overviews hidden, or Google's AI Mode.
Search Engine Journal's coverage of the field experiment lays out the mechanics. Over two weeks per participant between January and February 2026, removing the AI Overview nearly doubled outbound clicks on the queries where it had been sitting at the top of the page.
Zero-click searches, meaning nobody clicks anything at all, rose from 54% to 72% once that overview appeared. Satisfaction scores barely moved either way.
Pew Research Center found something similar the year before. Tracking browsing data from 900 US adults across nearly 69,000 Google searches in March 2025, Pew's analysis found people clicked a standard search result in just 8% of visits when an AI summary showed up, against 15% without one.
| Metric | Without AI Overview | With AI Overview |
|---|---|---|
| Organic click rate (Pew, March 2025) | 15% | 8% |
| Zero-click searches (ISB/CMU study, early 2026) | 54% | 72% |
| Outbound clicks per search (ISB/CMU study) | 0.61 | 0.38 |
Why SaaS Startup AI Overviews Hit Trial Signups Hardest
For a startup selling software, the queries losing the most clicks are exactly the ones a trial funnel depends on.
"Best project management tool for small teams" or "X vs Y" used to send someone to a comparison page, a review, or a blog post that eventually pointed at a signup button.
An AI Overview can now answer that comparison directly. It names two or three vendors in a paragraph without sending a single click anywhere.
That doesn't mean the content stops working. It means it has to earn a citation rather than a click, and those are different things to write for.
Getting cited instead of summarized around
Overviews still link to sources, just less often. They favor pages that answer the comparison plainly, with specifics an overview can lift and attribute, over pages padded around a vague pitch.
We've written before about how content needs to be structured to earn an AI citation instead of getting summarized around. A related case involved a healthcare client who wasn't cited once across 200 tracked queries before that structure changed.
The same pattern holds for SaaS comparison content. Specific, checkable claims get pulled into an answer. Generic ones get paraphrased or skipped entirely.
That's the kind of work we do inside our search and content engagements, alongside the technical side of making a site legible to AI systems in the first place.
The startups that keep growing off search from here are the ones treating a citation inside an AI Overview as the new top spot to win, not a battle already lost.
Cover photo by Edmond Dantès on Pexels
Sources
- Do people click on links in Google AI summaries? — Pew Research Center
- Study Confirms Google AI Overviews Cut Organic Clicks 38% — Search Engine Journal
