Google AI search becomes default for more users, data shows
▼ Summary
– Google’s AI Overviews expanded from 15% to 43% of searches in one year, integrating AI directly into the search experience.
– AI Mode visits on Google increased from 126 million in June 2025 to 279 million by May 2026, reflecting a shift toward conversational queries.
– The average length of Google searches has risen as users replace short keywords with longer, natural-language queries designed for AI.
– Publishers are losing referral traffic due to AI citations that reduce clicks, prompting tools like Cloudflare to let sites block AI crawlers unless paid.
– Despite low overall citation rates, ChatGPT desktop referrals doubled after a May 2026 update, suggesting users engage more with prominent blue links in AI results.
AI search is no longer an experimental feature , it’s becoming the standard experience for millions of users, whether they asked for it or not. Over the past year, Google’s AI Overviews have surged from appearing in 15% of all searches to 43%, according to fresh data from market intelligence firm Similarweb. This rapid expansion signals a fundamental shift in how people interact with information online.
What started as a simple AI layer layered on top of traditional search results has now evolved into a core part of the search journey. Similarweb’s analysis highlights that Google is increasingly dropping users directly into AI Overviews, where they can continue their research through the more conversational AI Mode. The numbers bear this out: AI Mode visits jumped from 126 million in June 2025 to 279 million by May 2026.
This transformation reflects a broader change in user behavior. Instead of using Google merely as a gateway to a list of blue links, people are spending more time on Google itself, treating it as a destination where answers are synthesized from indexed web content. The average length of Google searches has risen over the past year, suggesting that users are replacing short, keyword-based queries with longer, more natural conversational ones tailored for AI.
The impact on publishers has been stark. Referral traffic continues to decline as AI citations often satisfy user queries without prompting clicks. Last year, Similarweb noted the devastating effect on news publishers. More recently, Cloudflare introduced tools that let publishers block AI crawlers unless those companies pay for access through its marketplace.
Despite the challenges, there are signs of improvement. The number of AI responses that include a citation has increased more than fivefold over the past year. However, as of May 2026, only 6.8% of U. S. ChatGPT desktop queries contained citations, though travel, retail, and sports queries fare better.
For publishers, a glimmer of hope emerged after a May 7 search update from ChatGPT. U. S. desktop referrals more than doubled, from 25% in March 2026 to nearly 60% by May 30, 2026. This suggests that when prominent blue links are available within AI-driven results, users do click through.
Still, the larger trend is unmistakable. Google is steadily transforming from a gateway to the broader web into a self-contained destination, and the AI search revolution is only accelerating.
(Source: TechCrunch)
