Also known as: AI Overviews, AIO, SGE, Search Generative Experience, AI Mode
Google AI Overviews (AIO, formerly ”Search Generative Experience"/SGE) are AI-generated answer boxes that Google has been showing above the classic organic results for many search queries since May 2024. They summarise the answer to the query in a few sentences and name linked sources. For GEO they are the most important new lever: on AIO-triggered queries the classic SERP CTR falls by 30–60 %, while at the same time a new visibility stage opens up — whoever appears as a source in the AIO box gains a more prominent position than any classic top-3 result.
Google shows AIO selectively — above all for: (1) informational queries with a clear answer structure. (2) ”how to" and ”what is" questions. (3) comparison and evaluation queries. (4) complex multi-step queries. For purely transactional, navigational or YMYL topics (health, finance, legal) AIO is rarer. With AI Mode (roll-out in 2025), however, the mechanism is spreading increasingly to all query types.
Studies (Ahrefs 2024, Semrush 2025) show that on AIO-triggered queries the average position-1 CTR falls by 35–60 %. At the same time, source links in the AIO box receive a considerably higher CTR than classic position 4–10 results. The strategic consequence: GEO optimisation (citability) becomes equal in importance to classic SEO. Anyone optimising only for the top 10 without citability loses visibility on AIO-triggered queries without losing SERP position.
Example: An advice website held position 3 for ”what is long tail SEO", with a classic CTR of 12 %. With the roll-out of AI Overviews for this query, the CTR falls to 6 %. The article is rebuilt: H2 as a question, a 52-word answer directly beneath it, Article schema with sameAs pointing to Wikidata, an FAQ section with FAQPage schema. After 6 weeks the article appears as one of three linked sources in the AIO box — the click share from this SERP rises to 14 % (higher than before AIO), because AIO sources are linked prominently.
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