AIO

AIO is an acronym with two meanings in current use. Most of the time it stands for AI Overviews, the summary Google writes at the top of a results page before the ordinary links begin. Some people use it for AI optimisation, meaning the general work of getting included in AI generated answers. The two readings are close enough to be confused and different enough to matter, so the first move when somebody uses the word is to ask which one they mean.

In short

• AIO usually means AI Overviews, the AI written summary on Google’s results page.
• It is sometimes used for AI optimisation instead, which is closer to AEO and GEO.
• Overviews are assembled from pages Google has crawled, and there is no way to submit yours.
• They cost clicks on questions people only wanted answered, and much less on searches with buying intent.

The two meanings, and which one you are hearing

Both readings are in circulation and neither is wrong.

• AI Overviews. A specific feature of Google Search: a generated summary placed above the results, with links to some of the pages it drew on. This is the common reading, and it names something you can see.
• AI optimisation. A discipline, covering roughly the same ground as AEO and GEO, meaning the work of being visible inside AI answers generally.

The rest of this page uses the first meaning, because that is the one a business owner actually encounters on screen. Where a proposal uses the second, it is usually describing work that already has two other names.

What an AI Overview is made of

It is not a longer featured snippet, and the difference is worth understanding.

• It is written, not quoted. The text is generated, drawing on several pages at once rather than lifting a passage from one.
• It cites sources. Links to the pages behind it appear alongside the text, and Google has been steadily making these more prominent.
• It sits above the organic results, though not above everything. Search ads still render above it on many commercial searches, and Google also places ads inside and beneath it.
• It is not stable. The same search on two days can produce different wording and a different set of sources.
• It does not always appear. Google withholds it on plenty of searches, and which ones changes over time.

Which searches trigger one

The pattern is reasonably consistent, even though the details move.

• Explanatory questions attract them most: what something is, how it works, what the difference is.
• Multi-part questions that would otherwise need two or three searches.
• Comparisons and summaries, where a written answer genuinely saves time.
• Straightforwardly local searches attract them less, because the map results and the profiles already answer better than prose can.
• Some sensitive subjects attract them less, where Google applies extra caution because a wrong answer would do real harm. The boundary moves, and it is narrower than people assume: health questions still return overviews routinely.

For a service business this pattern is mostly good news. The searches that produce inquiries are usually specific and local, and those are the searches least likely to be summarised away.

What it does to your traffic

An AI Overview is one of several ways a zero-click search happens, and the newest of them rather than the first.

Informational searches lose clicks. If somebody wanted a definition and the definition is on the page, they have no reason to continue, and the pages that answered those questions will show it. Commercial searches lose far less, because a summary cannot inspect your roof, quote your job or take your booking. The clicks that still arrive tend to be better qualified, since they come from people the summary did not satisfy.

The consequence for reporting is uncomfortable rather than complicated. Sessions on explanatory pages fall while inquiries do not, and a report that leads on sessions will describe that as a decline. If you cannot check whether inquiries changed, the gap is in tracking rather than in the overview.

How pages get used as a source

There is no submission process, no setting and no supplier who can place you.

Pages that get drawn on share the same characteristics.

• They answer directly and early, in the first lines under a heading, which is exactly the AEO discipline.
• They are on sites Google already treats as reliable on the subject. The overlap with the top results is real but loose, and cited pages are often not the ones ranking first.
• They are specific. Generic prose contributes nothing to a summary and is not needed.
• They are structured plainly, with honest headings and real lists.
• They are readable by a crawler at all, which returns to technical SEO.

Being cited is therefore mostly a consequence of the ordinary work, done well, on a page that gets to the point.

Where it sits among the other surfaces

Google has more than one AI surface, and they are frequently talked about as if they were one.

• AI Overview. A summary on the normal results page, with the usual results underneath.
• AI Mode. A separate conversational search experience, where the conversation replaces the list of links.
• Assistants outside Google, such as ChatGPT and Perplexity, which are the territory of GEO.

Content that works for one generally works for the others, because all three reward the same thing: a clear, complete, trustworthy answer in a place a machine can reach.

Measuring something you cannot see

Search Console does not break any of this out. Impressions and clicks from AI Overviews are folded into the ordinary Search totals, AI Mode is folded in the same way, and there is no filter that separates either from an ordinary blue link. What you are left with is inference and manual checking.

The inference is impressions holding up or rising while clicks fall on informational queries. That points at summarisation without proving it, and it is worth watching per page rather than in aggregate, since the effect lands unevenly.

The manual check is running your own questions in a private window and looking at whether an overview appears and whether you are among the sources. It is slow, it covers a handful of searches rather than all of them, and it is the only direct evidence available. Alongside it, watch inquiries by page, which is the number that decides anything, and watch searches for your business name, which often rise when a summary has named you.

What to actually do about it

Very little of the sensible response is new work.

• Stop reporting sessions as the headline and report inquiries instead.
• Rewrite the openings of your explanatory pages so the answer comes in the first short paragraph under each heading.
• Put effort where summaries are weakest, which for most businesses is the local, specific, service level searches.
• Keep the pages that lost traffic if they still do a job further down the process. A page that answers an objection is worth having even when fewer people arrive on it.
• Do not buy an AIO product that promises placement. There is nothing to place, and the work underneath is SEO with a tidier opening paragraph.