New abbreviations are appearing at a rapid pace in the field of visibility, and AEO is the most confusing of the lot. Not because the concept is complicated, but because the abbreviation was already taken in the Netherlands before the marketing world started using it.

01 / the confusionTwo meanings of the same abbreviation

First, let's clear up the confusion. In the Netherlands, AEO has for years been the abbreviation for Authorised Economic Operator: a customs status with a certificate and a licence, for companies that trade internationally. According to our keyword analysis from August 2026 (DataForSEO), "aeo" is searched around 1,300 times a month in the Netherlands, and those searchers mostly mean the customs status: the search results are led by Customs itself.

The marketing term is younger and smaller. "Answer engine optimization" is searched around 140 times a month and "what is aeo" about 90 times, with mixed intent. If you're looking for information about the customs certificate, you're in the wrong place here and should head to Customs instead. If you're after visibility in AI answers, read on.

02 / definitionWhat AEO means in marketing

An answer engine is any system that returns not a list of links but an answer: the AI block above Google's search results, and assistants such as ChatGPT, Perplexity and Claude. Such a system assembles its answer from passages it can read and cite. AEO is the discipline of getting your page to supply that passage.

In practice, AEO focuses on a handful of recognisable measures: the customer's question verbatim in the heading, the full answer directly in the first paragraph, passages that are readable on their own without the rest of the page, and a frequently asked questions block with real questions and complete answers. What AEO is not: a trick or a workaround. An answer engine copies what is readable and credible, and that starts with content that genuinely answers the question. What this leads to across all platforms combined, we describe in what AI visibility is.

03 / the lineupAEO alongside GEO alongside SEO

The three abbreviations describe largely the same work from a different angle:

AEO and GEO overlap so strongly that in practice you can treat them as synonyms; the difference lies mainly in who uses the term. Both build on the foundation of SEO: a site that is not technically readable ends up in no answer at all. Exactly how that relationship works is set out in what GEO is and how it differs from SEO.

AEO, GEO and AI-SEO are three names for the same discipline: making sure the machine's answer is your answer.

04 / the evidenceDoes it work, and how do you know

The effect of these kinds of measures has been measured. The GEO research from Princeton (KDD 2024) compared optimisation methods and found that citing sources, adding quotations and adding statistics together produced 30 to 40 percent more visibility in the generated answer, in a lab test; on Perplexity that rose to as much as 37 percent. Keyword stuffing, by contrast, performed 10 percent worse on Perplexity. Solid answering demonstrably beats tricks, then.

For your own site, research from the literature proves nothing yet. Only measurement does that: setting out in advance which search queries you want to be visible for, establishing where you currently stand, and measuring again monthly using the same method. The setup of that yardstick is worked out in how to measure AI visibility.

05 / the limitWhen AEO isn't your priority

If your customers don't arrive via online searching or comparing, an answer engine changes little about your intake, and you can safely leave this topic alone. The same applies as long as your site doesn't yet answer your customers' basic questions: an answer engine can't copy what isn't there. Start with those pages instead, and come back to this afterwards.

This text was produced with AI assistance and checked and approved by a human before publication.