Introduction to Google’s AI Overviews
Google’s AI Overviews have been making waves in the world of online search, and recent research by BrightEdge has shed some light on how these AI-powered summaries are being used. The data shows that Google is making deliberate choices about where and when to display AI Overviews, and this has significant implications for marketers and businesses.
How AI Overviews are Being Used
The research indicates that Google is concentrating AI Overviews in areas where they can provide the most value to users, particularly during the research and evaluation stages of the shopping process. This means that AI Overviews are more likely to appear when users are searching for information on products or services, and less likely to appear when they are ready to make a purchase.
Trends in AI Overview Retention
BrightEdge’s research found that Google retained only about 30% of the AI Overview keywords that appeared during the peak period of September 1 to October 15, 2025. However, the retained keywords had higher search volume than the removed ones, which is the opposite of what was observed in 2024. This suggests that Google is being strategic about which searches deserve AI guidance, and is prioritizing keywords that are more likely to be useful to users.
The Role of AI in the Shopping Journey
The data shows that AI Overviews are serving as a comparison and evaluation layer, providing users with helpful information and guidance during the research and evaluation stages. However, when users are ready to make a purchase, Google steps back and lets traditional search results handle the final step. This suggests that AI is being used to educate and guide users, but not to facilitate the final purchase.
Usefulness of AI Across Categories
The research found that the usefulness of AI Overviews varies across different categories. Categories such as Grocery, TV and Home Theater, and Small Appliances retained more AI Overviews, as users in these categories rely heavily on comparison, explanation, and instruction during their decision-making process. On the other hand, categories like Furniture and Home, which rely more on visual browsing, had lower retention rates.
Shopping Trends and AI Appearance
The shopping calendar also plays a significant role in how AI Overviews appear in search results. The research found that AI Overviews are more prominent during the research and evaluation stages, which typically occur in November and early December. As users move into the final leg of their shopping journey, AI Overviews become less influential, and traditional search results take over.
Implications for Brands
The findings of the research have significant implications for brands and marketers. To make the most of AI Overviews, brands should align their content strategies with the points in the journey where AI Overviews are active. This means identifying evaluation and transactional pages, ensuring that comparison content is indexed early, and watching category-specific retention patterns.
Conclusion
In conclusion, Google’s AI Overviews are playing a significant role in the shopping journey, particularly during the research and evaluation stages. By understanding how AI Overviews are being used, and how they vary across different categories and shopping trends, brands and marketers can develop effective content strategies that take advantage of this technology. As the use of AI Overviews continues to evolve, it’s essential for businesses to stay flexible and adapt to the changing landscape of online search.