GEO glossary

44 terms you will meet when working on AI visibility, each explained in a sentence or two, with a link to the guide that goes deeper.

A

AEO
Answer engine optimization. An older, closely related name for making content easy for answer boxes, voice assistants and AI apps to quote. Read the guide →
AI Overviews
Google's AI-written summaries shown at the top of some search results, with links to the pages used. Google says they rely on normal Search indexing. Read the guide →
Answer box
A 50 to 100 word direct answer placed right under a page's title, written to make sense if quoted on its own. Read the guide →

B

Being listed
Being included on a third-party page such as a list, directory or review site. Paid sites to be listed on must be clearly disclosed. Read the guide →
Blind question
A tracking question that never names your brand, domain or products, so the answer reflects what a real buyer would hear. Read the guide →

C

Citation
A source page that an AI app links to or lists as used for its answer. Read the guide →
Citation rate
The share of checks in which a page on your own domain is one of the AI app's sources. Read the guide →
Confidence interval
A range that shows how uncertain a measured rate is. A 95% interval is built so that, over many samples, it would contain the true rate 95% of the time. Read the guide →
Control group
Similar questions you deliberately do not work on, so you can tell whether a change came from your work or from something outside it. Read the guide →
Crawler
A program that fetches web pages automatically. AI companies run separate crawlers for search and for model training. Read the guide →
Credit
A unit of usage in a metered product. In GEO tools, credits usually pay for AI app checks or drafted pages.

E

E-E-A-T
Experience, expertise, authoritativeness and trustworthiness. Ideas from Google's guidance on helpful, reliable content. Read the guide →
Entity
A distinct thing an AI app can recognise, such as a company, product or person, as opposed to just a keyword. Read the guide →
Entity sentence
One plain sentence stating who you are, what you sell and who it is for, used consistently across your site and profiles. Read the guide →

F

Fact sheet
A single, checked record of your business facts: products, prices with dates, locations and key features. Every page and profile should agree with it. Read the guide →
FAQPage
A schema.org type for pages with a list of questions and answers. The markup should match the visible FAQ exactly. Read the guide →
Asking an AI app to run a live web search before answering, and recording whether it actually did. Read the guide →

G

GEO
Generative engine optimization. The work of getting your business named, described correctly and cited in answers from AI apps. Read the guide →
Google-Extended
A robots.txt token that controls use of your content for Gemini Apps and Vertex AI. Google says it does not affect Search inclusion. Read the guide →
Grounding
Basing an AI answer on documents fetched for the question, such as live search results, instead of only on training data. Read the guide →
Group of questions
A group of buyer questions about the same job, such as pricing, comparisons or local options. Read the guide →

H

Hallucination
A confident statement from an AI app that is false or not supported by its sources. Read the guide →
hreflang
An HTML or sitemap annotation that tells search engines which language or regional version of a page to show. Read the guide →

I

IS 19000:2022
An Indian Standard from BIS setting principles for collecting, moderating and publishing online consumer reviews. The government describes it as voluntary. Read the guide →

J

JSON-LD
A format for adding structured data to a page as a script block, using the schema.org vocabulary. Google recommends it. Read the guide →

L

Listicle
A "best of" list article naming several products or companies. AI apps often cite them for recommendation questions. Read the guide →
llms.txt
A proposed markdown file at a site's root that gives language models a short guide and key links. Optional, and not required by the major AI apps. Read the guide →

M

Mention rate
The share of checks in which an AI app names your brand, or a known alias, in its answer. Read the guide →

N

NAP consistency
Keeping your name, address and phone identical across your site and every directory listing. Read the guide →
Non-determinism
The fact that the same question can get a different answer on each run, which is why single screenshots prove little. Read the guide →

O

OAI-SearchBot
OpenAI's crawler for ChatGPT search. OpenAI says sites that block it are not shown in ChatGPT search answers. Read the guide →

P

Position
Where your name first appears in the ordered list of names in an answer, counting from 1. Read the guide →
Priority
How important a tracked question is. Priority 1 questions are closest to a purchase and are checked most often. Read the guide →

Q

Question universe
The full set of buyer questions you watch for a business, grouped by what the buyer is trying to do. Read the guide →

R

Reusing a recent answer
Reusing a recent answer to the exact same question, AI app and country instead of asking again, while scoring each brand separately. Read the guide →
robots.txt
A file at your site's root that tells crawlers which paths they may fetch. The format is standardised in RFC 9309. Read the guide →

S

Schema.org
A shared vocabulary for structured data, with types such as Organization, Product, Article, FAQPage and Dataset. Read the guide →
SERP
Search engine results page. The page of links, ads and features a search engine shows for a query. Read the guide →
Share of voice
Your brand mentions divided by all brand mentions across a set of questions. Useful for comparing with named competitors. Read the guide →
Source
A page an AI app read to build its answer. Some sources are shown to the user as citations. Read the guide →

T

Training data
The text a model learned from before release. Answers from memory reflect it, and only change when models are updated. Read the guide →
Two-proportion test
A statistical test for whether two rates really differ. A z score of 1.96 or more either way matches the 95% level. Read the guide →

W

Wilson interval
A way to compute a confidence interval for a rate that behaves well with small samples and with rates near 0% or 100%. Read the guide →

Z

Zero-click
A search where the user gets what they need on the results page or in an AI answer and does not click through to any site. Read the guide →

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