Key Insights from AI Overview Link Analysis
21.1% of Queries Trigger Overviews: Out of 11,163 analyzed queries, 21.1% (2,358) triggered an AI Overview, with each summary containing an average of 8.9 links.
Top Linked Domains: The most frequently linked URLs included YouTube (3.88% from youtube.com and 2.59% from m.youtube.com), Wikipedia (3.76%), and less frequently, Southern Living (1.53%).
Overlap with Search Results: 46.3% of the documents linked in the summaries were from the top organic search results for the exact match query.
Inclusion of Related Queries: When related queries were added to the direct match queries, the percentage of links from both the direct match and related queries in the top search results increased to 60.4%.
Combination of Query Types: The integration of direct match, related, and reformulated queries showed that 67.3% of the links in AI Overviews were accounted for in the top search results.
SERP Position and AI Overview Visibility: The likelihood of a search result document appearing in an AI Overview depends on its SERP position. A link ranked first has a 53% chance of being featured, while content ranked tenth has a 36.9% chance. This trend holds for related and reformulated queries as well, with higher-ranking documents more likely to be included.
Trends in Unaccounted Links: Further analysis of the unaccounted links revealed a significant presence of YouTube and Wikipedia, highlighting specific domains that AI Overviews favor.