Glossary

AI Search Visibility Glossary

Essential terms for understanding AI search visibility, answer engine optimization, and brand discovery across AI platforms.

.well-known Endpoints

Standardized URLs under /.well-known/ that let AI agents and services discover a site's capabilities, APIs, and metadata.

Agentic Web

Answer Engine Optimization (AEO)

The practice of optimizing content so that AI-powered search engines surface your brand in their generated answers.

Core Concepts

AI Search Visibility

A measure of how often and how prominently a brand appears in AI-generated search results and answers.

Core Concepts

AI Brand Mentions

Instances where an AI model names, references, or recommends a brand in its generated responses.

Metrics & Measurement

AI Share of Voice

The percentage of AI-generated responses in a category or topic area where a specific brand is mentioned relative to competitors.

Metrics & Measurement

AI Mode (Google)

Google's AI-powered search experience that generates comprehensive answers by synthesizing information from multiple web sources.

AI Platforms

AI Overviews

AI-generated summary answers that appear at the top of search results pages, synthesizing information from multiple sources.

AI Platforms

AI Crawlers

Automated bots used by AI companies to discover and index web content for training data or retrieval-augmented generation.

Technical SEO & AEO

Agentic Web

The emerging layer of the internet designed for autonomous AI agents to navigate, understand, and take actions on behalf of users.

Agentic Web

Agentic SEO

Optimizing a website so autonomous AI agents can reliably understand its structure, discover its capabilities, and complete tasks on it.

Agentic Web

Agent Readiness

A measure of how well a web page is prepared for AI agents to parse, understand, and act upon it.

Agentic Web

AI Hallucination

When an AI model generates confident but factually incorrect or fabricated information, including about brands and products.

AI & Marketing

Brand Sentiment (AI)

The overall tone and attitude—positive, neutral, or negative—with which AI models discuss a brand in their generated responses.

Metrics & Measurement

Citation Patterns

The recurring ways in which AI models reference, attribute, and link to sources in their generated responses.

Metrics & Measurement

Content Grounding

The process of anchoring AI-generated content in verified, factual source material to reduce hallucinations and improve accuracy.

AI & Marketing

Content Freshness

The recency and regularity of content updates, which influences how AI models prioritize and trust a source for generating responses.

AI & Marketing

Competitive Analysis (AI Search)

The process of benchmarking your brand's AI search visibility against competitors to identify gaps and opportunities.

Metrics & Measurement

Content-Signal Directive

A robots.txt directive that lets publishers declare how their content may be used for AI search, training, and input.

Technical SEO & AEO

Co-mentions

Instances where a brand is mentioned alongside related entities, communities, or competitors that AI models use to understand context and authority.

Metrics & Measurement

Entity Recognition

The AI capability of identifying and classifying named entities (brands, people, places, products) within text.

Technical SEO & AEO

E-E-A-T

Experience, Expertise, Authoritativeness, and Trustworthiness; quality signals that influence how search engines and AI systems rate sources.

Technical SEO & AEO

Few-Shot Prompting

A technique where examples of desired output are provided to an AI model before requesting new output, improving consistency and quality.

AI & Marketing

Generative Engine Optimization (GEO)

A framework for optimizing content specifically for AI-powered generative search engines that synthesize answers from multiple sources.

Core Concepts

GEO Audit

A structured assessment of how well a brand is optimized for generative engines, spanning technical, content, off-site, and Share of Model signals.

Tools & Processes

Gemini Grounding

Google Gemini's process of anchoring answers in live web and Google Search index data to improve accuracy and provide sources.

AI Platforms

JavaScript Rendering (AI Crawling)

Whether a crawler executes a page's JavaScript to see client-side content; most LLM crawlers do not, unlike Google Search.

Technical SEO & AEO

Knowledge Graph

A structured database of entities and their relationships used by search engines and AI models to understand real-world concepts.

Technical SEO & AEO

LLM Optimization

The practice of adapting content and digital presence to be better understood, indexed, and referenced by large language models.

Core Concepts

llms.txt

A proposed standard file (similar to robots.txt) that provides structured information about a website specifically for AI models and LLMs.

Technical SEO & AEO

Model Context Protocol (MCP)

An open protocol that standardizes how AI models and agents connect to external tools, data sources, and services.

Agentic Web

Prompt Tracking

The process of monitoring specific AI prompts and queries to understand how brands appear in the resulting AI-generated responses.

Tools & Processes

Prompt Engineering

The practice of designing and refining inputs to AI models to produce more accurate, useful, and relevant outputs.

AI & Marketing

Prompt Set (Gold Set)

A curated, representative collection of prompts used to consistently measure a brand's AI visibility over time.

Tools & Processes

Retrieval-Augmented Generation (RAG)

An AI architecture that combines real-time information retrieval from external sources with language model generation for more accurate responses.

Technical SEO & AEO

Structured Data

Standardized code formats (like Schema.org markup) that help search engines and AI models understand the content and context of web pages.

Technical SEO & AEO

Schema Markup

A specific vocabulary of tags added to HTML that creates an enhanced description of web content for search engines and AI systems.

Technical SEO & AEO

Source Attribution

How AI models credit and link to the original sources of information used in their generated responses.

Metrics & Measurement

Share of Model

The percentage of AI-generated answers within a defined set of prompts where a brand appears, measured across one or more models.

Metrics & Measurement

Server-Side Rendering (SSR)

Generating a page's full HTML on the server so content is visible to crawlers and AI bots without executing JavaScript.

Technical SEO & AEO

WebMCP

An emerging browser standard that lets websites expose structured tools and actions directly to AI agents through the Model Context Protocol.

Agentic Web

Zero-Click Search

A search interaction where the user gets their answer directly from the results or an AI summary without clicking through to a website.

Core Concepts