AIMentions.today
Glossary

The language of AI visibility

Every term you’ll meet doing GEO — defined in plain English, one page each.

Generative Engine Optimization (GEO)

The practice of making your brand more likely to be mentioned and recommended in AI-generated answers.

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Google AI Overview

The AI-generated answer box at the top of Google Search results.

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Share of Voice (in AI answers)

The percentage of AI answers about your category that name your brand vs competitors.

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llms.txt

A plain-text file that tells AI systems what your site is about and where the key pages are.

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AI Crawler

Bots like GPTBot, ClaudeBot, and PerplexityBot that read websites for AI training and retrieval.

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AI Citation

A source link an AI answer includes to show where its information came from.

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Answer Engine Optimization (AEO)

Optimizing content to be the answer AI engines and answer boxes give — largely synonymous with GEO.

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Brand Mention (in AI)

Any instance of an AI answer naming your brand — the atomic unit of AI visibility.

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AI Share of Voice

Your brand's slice of all AI answers in a category, measured against competitors.

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GPTBot

OpenAI's web crawler that gathers content to train its models.

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ClaudeBot

Anthropic's web crawler that reads pages for training Claude.

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PerplexityBot

Perplexity's crawler that fetches and indexes pages for live citations.

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Google-Extended

The robots.txt token that controls whether Google can use your site for Gemini.

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Grounding

Anchoring an AI answer to retrieved, verifiable sources instead of memory alone.

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Retrieval-Augmented Generation (RAG)

An AI technique that fetches relevant documents at answer time and generates from them.

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Google AI Mode

Google's fully conversational, AI-generated search experience.

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Answer Engine

A system that returns a direct synthesized answer instead of a list of links.

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Zero-Click Answer

A query resolved entirely in the AI answer, with no click to any source.

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Prompt Tracking

Running a fixed set of buyer prompts across models on a schedule to monitor AI visibility.

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Citation Gap

The set of sources that cite your competitors in AI answers but not you.

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