GEO & LLMO Glossary

The essential terms for understanding AI visibility, Generative Engine Optimization, and LLM Optimization. No jargon, just clear explanations.

A

AEO (Answer Engine Optimization)
The practice of optimizing content to appear in AI-generated answers from tools like ChatGPT, Perplexity, and Google AI Overviews, rather than traditional search results.
AI Answer Engine
An AI-powered tool designed to provide direct answers to user questions rather than returning lists of links.
AI Brand Sentiment
The tone and attitude AI tools express when mentioning your brand, ranging from enthusiastic recommendation to neutral mention to critical assessment.
AI Citation
When an AI tool like ChatGPT or Perplexity references your content as a source for information in its response.
AI Discovery
The process by which users find brands, products, and content through AI-powered tools rather than traditional search engines.
AI Ghosting
When AI-powered search tools completely ignore your brand in their recommendations, even for queries where you should logically appear.
AI Mentions
Instances where AI tools like ChatGPT, Perplexity, or Gemini reference your brand, product, or content in their responses to user queries.
AI Overview (Google)
Google's AI-generated summary that appears at the top of search results, synthesizing information from multiple sources to directly answer user queries.
AI Recommendation
When an AI assistant explicitly suggests or endorses a specific brand, product, or service in response to a user query.
AI Referral Traffic
Website visits that originate from AI tools like ChatGPT, Perplexity, or Gemini when users click links in AI-generated responses.
AI Search
Search engines and tools that use artificial intelligence to generate direct answers to queries, rather than just returning a list of links.
AI SEO
The umbrella term for optimization practices aimed at improving visibility in AI-powered search and recommendation systems.
AI Snippet
A concise AI-generated answer that appears at the top of search results, synthesized from multiple web sources.
AI Source Authority
The credibility signals that determine which sources AI systems trust and cite when generating answers, including domain reputation, expertise indicators, and content quality.
AI Traffic
Website visits that originate from AI platform recommendations, often invisible in traditional analytics tools.
AI Visibility
How often and how positively AI tools like ChatGPT, Perplexity, Claude, and Gemini mention or recommend your brand when users ask relevant questions.

B

Brand Salience (AI)
The degree to which your brand comes to mind for AI tools when generating responses to relevant queries.

C

ChatGPT SEO
The practice of optimizing your content and online presence to be mentioned and recommended by ChatGPT when users ask relevant questions.
Claude SEO
The practice of optimizing your content to be mentioned and recommended by Anthropic's Claude AI assistant.
Content Extractability
How easily AI systems can identify, pull out, and use specific pieces of information from your content in their generated answers.
Conversational Search
A search paradigm where users ask questions in natural language and receive direct answers through dialogue, rather than browsing lists of links.
Copilot SEO
The practice of optimizing your content and business presence to appear in Microsoft Copilot's AI recommendations, mostly through Bing SEO.

D

Digital PR for AI
Public relations strategies specifically designed to increase brand visibility in AI-generated recommendations and citations.

E

Entity Optimization
The process of establishing your brand as a clearly defined entity that AI systems can recognize, understand, and confidently recommend.

G

Gemini SEO
The practice of optimizing your content to be recommended by Google's Gemini AI, including both the standalone Gemini app and Gemini-powered features in Google Search.
Generative Search
Search engines that use AI to generate comprehensive answers rather than returning a list of links to click.
GEO (Generative Engine Optimization)
The practice of optimizing your content and online presence to be recommended by AI-powered search engines like ChatGPT, Perplexity, and Gemini.
Google AI Mode
Google's AI-powered search experience that generates conversational answers instead of traditional blue links.
Grok SEO
The practice of optimizing your content to be recommended by Grok, the AI assistant developed by xAI and integrated into X (formerly Twitter).

H

High Intent Prompts
Questions asked to AI tools that signal someone is actively looking to buy, hire, or use a product or service, as opposed to just researching or learning.

K

Knowledge Graph
A structured database of entities (people, places, companies, concepts) and the relationships between them, used by search engines and AI systems to understand the world.

L

LLM Brand Tracking
The systematic monitoring of how Large Language Models mention, describe, and recommend your brand across AI platforms.
LLM Hallucination
When a large language model generates confident but factually incorrect information, including wrong brand recommendations.
LLM Ranking Factors
The signals and characteristics that influence whether a Large Language Model mentions or recommends your brand in its responses.
LLM Scraping
The process by which AI tools access, read, and extract information from websites to inform their responses.
LLMO (LLM Optimization)
The practice of optimizing content to be understood, cited, and recommended by Large Language Models like ChatGPT, Perplexity, and Gemini.
llms.txt
An emerging standard for a text file that helps AI systems understand a website's content, purpose, and preferred way of being cited, similar to how robots.txt guides search crawlers.

M

Multi-Platform Presence
Being mentioned and discussed across multiple online platforms (review sites, social media, directories, forums) rather than just your own website.

P

Perplexity SEO
The practice of optimizing your content to be cited and referenced by Perplexity AI, a conversational search engine that provides sourced answers.
Prompt Optimization
The practice of identifying and optimizing for the specific AI prompts where your brand should appear as a recommendation.

R

RAG (Retrieval-Augmented Generation)
A technique where AI models fetch real-time information from external sources before generating an answer, rather than relying solely on their training data.

S

SearchGPT
OpenAI's web search feature integrated into ChatGPT that finds and cites real-time information from the internet.
Semantic Completeness
A measure of how thoroughly your content covers a topic, including all related concepts, questions, and subtopics that AI systems expect to find.
Share of Voice (SOV)
The percentage of category mentions captured by a brand across AI tools, measuring relative visibility versus direct competitors.

T

Topical Authority
The depth and breadth of expertise a website demonstrates on a subject, influencing both search engines and AI recommendations.

Z

Zero-Click Search
A search query that is answered directly on the search results page or by AI, without the user needing to click through to any website.