AI Overview is Google's AI-generated summary answer that appears at the top of search results for many queries, drawing on content from multiple sources. Launched publicly in May 2024 and now appears in approximately 45% of US search queries.
Context
AI Overviews cite sources (with links) and reduce downstream clicks to websites by up to 58% for queries where they appear. The answer box effectively becomes the SERP for many informational queries.
Optimization for AI Overviews overlaps with traditional SEO (authority, structured data, clear formatting) but adds specific factors: explicit-answer first paragraphs, entity-rich writing, sourced statistics, and schema markup that makes passages extractable.
A query like 'what is CAC payback' is very likely to return an AI Overview pulling from 3–5 source sites. The sites cited are not always the highest-organically-ranking; Google selects based on extractability and authority for that specific passage.
Being cited in an AI Overview drives brand recognition but far less traffic than an organic position-1 placement. The business case for AI Overview optimization is brand authority and AI search visibility, not direct clicks.
Related terms
SERP (Search Engine Results Page)
The page Google shows after a search — far more than just ten blue links.
GEO / AEO
Generative Engine Optimization / Answer Engine Optimization — optimizing for AI answer systems.
E-E-A-T
Google's framework for assessing content quality: Experience, Expertise, Authoritativeness, Trustworthiness.
Services that apply this
More SEO terms
CTR (Click-Through Rate)
The percentage of people who clicked after seeing your link, ad, or snippet.
LCP (Largest Contentful Paint)
How fast the main content becomes visible on a page.
CLS (Cumulative Layout Shift)
How much the page jumps around during load.
INP (Interaction to Next Paint)
How fast the page responds to clicks and taps.