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Resources Glossary

GEO glossary.

The terms of GEO, AEO and AI visibility, defined simply. From “AEO” to “Citability score.”

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AEO

Acronym

Answer Engine Optimization: optimizing content so it's picked up by AI answer engines, rather than for link ranking.

See also : GEO, Answer engine

AI citation

A mention of a brand or product as a source in an AI engine's generated answer.

AI crawler

An AI engine's bot (GPTBot, PerplexityBot, Google-Extended…) that browses the web to feed its answers.

See also : robots.txt, llms.txt

AI shopping agent

An AI that, from a request, compares products and can recommend — or even order — on the user's behalf.

Answer engine

A service that answers a question directly (ChatGPT, Perplexity, Google AI Overview) instead of listing links.

Citability score

A Citely metric measuring how complete, structured and thus citable a page is for AI.

GEO

Acronym

Generative Engine Optimization: making a catalog understandable and citable by generative engines (ChatGPT, Perplexity, Google AI).

See also : AEO

Hallucination

An AI model's answer that looks plausible but is factually wrong — hence the importance of reliable, structured data.

JSON-LD

A structured-data format (JSON for Linking Data) recommended to describe products per schema.org.

See also : schema.org

LLM

Acronym

Large Language Model: the large-scale language model that generates AI assistants' answers.

llms.txt

A declarative file at a site's root telling AI which resources (including the product feed) they may read.

See also : robots.txt

Product attribute

A structured characteristic of a product (material, size, compatibility…) that AI reads to compare.

Product feed

A structured, up-to-date export of your catalog, exposed at an endpoint engines can read.

RAG

Acronym

Retrieval-Augmented Generation: a technique where the model retrieves external sources before answering — which makes citability possible.

robots.txt

A file that tells bots, including AI crawlers, what they may crawl on a site.

See also : AI crawler, llms.txt

schema.org

A standard structured-data vocabulary; its Product type describes pages for engines.

See also : JSON-LD, Structured data

Share of Answers

The share of AI answers, across a set of queries, in which your brand is cited.

Structured data

Information tagged in a standard format (schema.org) that machines interpret without ambiguity.

See also : JSON-LD, schema.org