| name | ai-overviews-impact |
| description | Measure how Google AI Overviews are cannibalizing organic CTR. Use when asked about AI Overview impact, SGE cannibalization, or why CTR is dropping despite stable rankings. |
AI Overviews Impact Analysis
Measure how Google's AI Overviews are affecting organic click-through rates on the property.
Steps
- Call
list_properties to confirm the exact site_url.
- Call
ai_overviews_impact to get the dedicated report on queries where AI Overviews appear and their CTR compared to queries without.
- Call
compare_search_periods for the last 90 days vs. the prior 90 days, using dimensions=query and limit=100.
- From step 3, isolate queries where position held steady or improved but CTR declined by more than 15%. These are the primary AI Overview candidates.
- Sort those queries by impressions descending and take the top 20.
Output format
AI Overview impact summary: total queries affected, estimated clicks lost vs. 90 days ago, overall CTR delta.
Most impacted queries table: Query | Position | Impressions | CTR now | CTR 90d ago | CTR delta | Est. clicks lost
Strategic recommendations:
- Which query types are most cannibalized (informational vs. navigational vs. transactional)
- Whether to optimize for AI Overview inclusion (structured answers, schema markup) or shift focus to transactional intents where AI Overviews are less prevalent
- Queries safe from AI Overviews that are worth reinforcing
