AIO And Organic SearchThe data shows that 54% of the AI Overviews citations matched the web pages ranked in the organic search results. This means that 46% of citations do not overlap with organic search results. It could be that the FastSearch algorithm retrieves results that are similar to the regular search results 54% of the time. Organic And AIO Overlap Evolved Over TimeWhen AIO launched, there was only about a 32% overlap between AIO and the classic organic search results. A broad and simplified explanation is that FastSearch does not use traditional organic search ranking factors.