Surprising no one, new research says AI Overviews cause massive drop in search clicks

A new Pew Research Center study indicates Google's AI Overviews are significantly reducing organic traffic to websites, contradicting Google's assertions. The analysis found that search results featuring AI summaries saw click-through rates to external sites nearly halved, from 15% to 8%, with only 1% of users clicking on sources cited within the AI overview. This data suggests a material shift in user behavior on Google's SERP, posing a challenge for digital publishers and businesses reliant on search-driven traffic.

Analysis

A new Pew Research Center study provides quantitative evidence that Alphabet's (GOOGL) AI Overviews are materially reducing organic traffic to external websites, directly contradicting the company's public statements. The research indicates that search engine results pages (SERPs) featuring an AI summary experience a click-through rate of just 8%, a sharp decline from the 15% rate on SERPs without AI. This near-halving of user clicks validates concerns from digital publishers and SEO professionals about a fundamental shift in user behavior. Furthermore, the study undermines Google's claim that users engage with sources cited within the AI summaries, finding that only 1% of these overviews lead to a click on a source link. This suggests Google is evolving from a traffic gateway to a content destination, potentially straining its symbiotic relationship with the content creators whose data powers its Gemini-based AI. While platforms like Reddit (RDDT), Wikipedia, and YouTube are frequently cited, accounting for 15% of sources, the low engagement with these citations raises questions about the tangible traffic benefits for these data providers.

Key Decisions for Investors

• Investors in Alphabet (GOOGL) should monitor for potential long-term strategic risks, as alienating the content ecosystem could degrade the quality of data available for its AI models and invite regulatory scrutiny.
• The data presents a clear headwind for companies reliant on organic search traffic, warranting a portfolio review to reduce exposure to digital publishers and e-commerce businesses lacking diversified user acquisition channels.
• For Reddit (RDDT) investors, its frequent use as an AI source is a positive signal for content value, but the negligible click-through on citations suggests this may not translate to direct traffic, a critical metric to monitor going forward.
• This shift suggests a potential consolidation of value within the digital ecosystem towards large AI platform owners, which could justify a re-weighting of portfolios away from smaller, search-dependent online businesses.