AI search grew 527% YoY - most brands are invisible in it. Get your free AI-visibility audit
Glossary

The language of AI search

AEO, GEO, AI Overviews, llms.txt, schema and more - defined in plain English by the team that gets brands cited by AI.

Answer Engine Optimization (AEO)

Answer Engine Optimization (AEO) is the practice of structuring content so AI answer engines and search features quote it directly as the answer to a question.

Read definition

Generative Engine Optimization (GEO)

Generative Engine Optimization (GEO) is the practice of getting your brand cited and recommended inside AI-generated answers from tools like ChatGPT, Perplexity and Gemini.

Read definition

Google AI Overviews

AI Overviews are AI-generated summaries Google shows at the top of search results, citing a handful of sources instead of just listing links.

Read definition

AI Share of Voice

AI share of voice is the percentage of relevant AI answers in which your brand is cited or recommended, compared with competitors.

Read definition

llms.txt

llms.txt is a Markdown file at a site's root that gives AI crawlers a curated map of what the site is about and which pages matter most.

Read definition

Schema Markup (Structured Data)

Schema markup is structured data (usually JSON-LD) added to a page so search engines and AI can understand its meaning and cite it confidently.

Read definition

Entity SEO

Entity SEO is the practice of making search engines and AI clearly understand who or what your brand is, so it's recognised as a trusted entity.

Read definition

Zero-Click Search

A zero-click search is one that ends without the user clicking any result, because the answer was shown directly on the results page.

Read definition

Retrieval-Augmented Generation (RAG)

RAG is an AI technique where a model retrieves live external sources and uses them to ground its generated answer, often citing them.

Read definition

Search Engine Optimization (SEO)

SEO is the practice of improving a site's content, technical health and authority so it ranks higher in search engine results.

Read definition