Glossary

Generative engine optimization

Optimising to be quoted inside an answer rather than ranked beneath one.

Definition

Generative engine optimization (GEO) is the practice of structuring content so that generative search systems such as ChatGPT, Claude, Perplexity and Google AI Overviews retrieve it, quote it and attribute it in their answers. The unit of optimisation is the passage rather than the page, because these systems select and cite spans of text rather than ranking whole documents.

Term coined: 2023, Aggarwal et al.
Published at: KDD 2024
Unit optimised: The passage, not the page

Where the term came from

GEO was named in a research paper: "GEO: Generative Engine Optimization" by Aggarwal and colleagues, posted to arXiv as 2311.09735 in November 2023 and presented at KDD 2024. The authors built a benchmark of around ten thousand queries and tested which content changes increased a source's visibility in generated answers.

The reported results favoured adding citations to named sources, adding statistics, and writing with an authoritative rather than hedged tone, with the largest single effect around a 40% relative lift in visibility. Keyword stuffing measured as actively harmful, unlike in classic search where it is merely useless. Those numbers were measured on 2023 and 2024 systems and should be read as directional rather than as guarantees, since every underlying model has changed since.

What the practice actually involves

Self-contained answer blocks
A definition or direct answer near the top of the page that survives being lifted out with no surrounding context: named subject, no unresolved pronouns, complete in itself.
Structure a retriever can segment
Question-shaped headings, a strict heading hierarchy, short paragraphs, and tables for anything comparative, since tables are lifted close to verbatim.
Attributable facts
Named, dated, linked sources for non-obvious claims. Engines cite the origin of a number, which is why publishing original data is the one advantage a competitor cannot copy by writing better prose.
Entity clarity
One canonical name used consistently, plus structured data that lets a system resolve who published the page and what the page is about.

Commonly confused with

Term	The goal	What success looks like
SEO	Rank a page in a list of links	Position on a results page, measured in clicks
GEO	Be quoted and cited inside a generated answer	Appearing as a named source in an answer, often with no click
AEO / answer engine optimization	Largely the same goal as GEO	A near-synonym, used more in marketing than in research
Content marketing	Attract and persuade an audience	Engagement and conversion, independent of retrieval mechanics

The uncomfortable part

GEO succeeds by being cited, and a citation frequently arrives with no visit. A page can be the source behind thousands of answers and show flat traffic, which makes conventional analytics a poor instrument for judging whether any of it worked. Measurement currently means asking the engines directly, on a schedule, and recording what they say and what they cite.

The methods that work are also, awkwardly, just good writing: state the claim clearly, source it, structure it so a reader can find it. The techniques that game the mechanism, including bulk-generated pages and inauthentic mention farming, are the ones both search and answer engines are explicit about penalising.

All-in-one workspace

One data model behind documents, tasks and conversation, instead of three products and a pile of integrations.

AI worker

The difference between an agent you prompt and an agent you assign work to.

Hire an AI SEO specialist

It looks at what is actually ranking today, then writes the brief that says what your page has to do differently to deserve the spot.

SEO content production, briefed once and delivered as a file

The difference between usable drafts and filler is the brief, and the brief belongs in a file the worker actually reads.

Marketing work, with AI teammates on the same board

One board for the calendar, the briefs and the campaigns, with workers who draft while nobody is at a desk.

The vocabulary of agentic work

Definitions written to be quoted: where the term came from, how practitioners use it, and what it is not.

Questions people ask

+Is GEO different from SEO?

The goals differ. SEO aims to rank a page in a list of links; GEO aims to have a passage quoted and attributed inside a generated answer. The techniques overlap substantially, because both reward clear structure and genuine authority, but the unit of optimisation shifts from the page to the passage.

+Does llms.txt help?

There is no public evidence that any major AI system consumes llms.txt as a ranking or retrieval input, and none of the large providers has committed to supporting it. Publishing one is cheap and harmless; treating it as a visibility strategy is not supported by anything measurable today.

+How do you measure GEO?

By querying the target engines on a defined schedule with the questions your buyers ask, and recording verbatim whether you were mentioned and what was cited. Referral analytics undercount badly, because most citations are read without a click.

+What matters most for being cited?

Publishing something nobody else has. Engines cite the origin of a statistic, so original data, benchmarks or teardowns make you the source that downstream articles point back at. Structural work makes a page quotable; original facts make it worth quoting.

AI worker

The difference between an agent you prompt and an agent you assign work to.

All-in-one workspace

One data model behind documents, tasks and conversation, instead of three products and a pile of integrations.

Agentic project management

The line is whether the agent holds the work item or only summarises it.

Hire an AI SEO specialist

It looks at what is actually ranking today, then writes the brief that says what your page has to do differently to deserve the spot.

Hire an AI content writer

Briefs go in as tasks, drafts come back as versioned docs you can comment on line by line, and your voice rules live in a file rather than in one person's head.