Google has clarified how keyword match types work for ads that appear within AI Overviews, and the update changes how advertisers should think about search visibility in AI-driven results. The key point: exact match keywords are not eligible to show ads inside AI Overview responses.
This clarification marks a shift from Google’s earlier communication. According to Google Ads Liaison Ginny Marvin, when advertisers bid on both exact match and broad match versions of the same keyword, the exact match keyword will not prevent the broad match from triggering an ad in AI Overviews. This is because exact match keywords are simply excluded from this placement and do not participate in the AI Overview auction at all.
Why this matters
AI Overviews are increasingly prominent at the top of the search results page and are designed to answer more complex, exploratory queries. As these AI-generated responses take up more space, they reduce the visibility of traditional ad placements. Advertisers relying heavily on exact match keywords may therefore lose exposure in one of Google Search’s most visible and fast-growing formats.
This development aligns with Google’s broader push toward automation and intent-based matching. Rather than rewarding strict keyword precision, AI Overviews favor systems that can interpret user intent at scale. As a result, campaign structures built exclusively around exact match are becoming less future-proof.
What this means for advertisers
- Broader match strategies, such as broad match keywords and Performance Max, are more likely to surface alongside AI Overview responses.
- Campaigns that rely only on exact match will not appear in AI Overviews, even if the user query exactly matches the keyword.
- Match type decisions now directly affect placement eligibility, not just traffic quality or efficiency.
Practical tips for adapting your strategy
- Review your match type distribution
Maintain exact match for high-intent, efficiency-focused searches, but complement it with broad match to preserve reach in AI-driven environments. - Improve conversion tracking and signals
Broad match depends heavily on Smart Bidding. Accurate conversion tracking, meaningful goals, and sufficient data volume are essential. - Use search term analysis consistently
Broader matching requires active monitoring. Regularly review search term reports and add negative keywords to control relevance. - Test Performance Max deliberately
Performance Max campaigns are well positioned for AI placements, but only perform well when assets, audience signals, and objectives are clearly defined. - Reassess the role of exact match
Exact match still has value, but it should no longer be the sole foundation of a search strategy if AI Overview visibility is a priority.
As AI Overviews continue to evolve, advertisers will need to balance control with reach. Those who adapt their match type strategy now will be better positioned to stay visible as Google Search becomes increasingly AI-driven.