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The AEO Dictionary

Master the
Language of AI.

The search landscape is changing fast. Stay ahead by mastering the definitions and concepts that define the Answer Engine age.

AEO (Answer Engine Optimization)

The practice of optimizing content to be cited and recommended by AI-driven search engines and conversational assistants like ChatGPT and Perplexity.

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AI Citation

When an AI platform references or links to your content as a source in its response. Citations drive traffic and establish authority.

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AI Overviews (SGE)

Google's search feature that uses AI to synthesize a direct answer at the top of the search results page, citing various web sources.

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AI Sentiment

The tone (positive, negative, neutral) with which AI platforms describe your brand in their responses.

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AI Traffic

Website traffic originating from AI platform referrals. Can be tracked through analytics to measure AEO effectiveness.

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AI Visibility

The measure of how often and prominently a brand is mentioned, cited, or recommended in AI-generated responses across platforms like ChatGPT, Claude, and Perplexity.

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Ask Engine Optimization

A synonym for Answer Engine Optimization, focusing on a user's direct 'ask' rather than a search query.

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Backlinks

Links from other websites to yours. Important for both SEO and AI authority signals.

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Brand Mention

An instance where an AI platform explicitly names your brand in a response, whether as a recommendation, comparison, or reference.

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Canonical URL

The preferred URL for a page, used to avoid duplicate content issues. Important for consistent AI indexing.

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ChatGPT Search

OpenAI's feature allowing ChatGPT to search the web in real-time for current information, combining conversational AI with live search results.

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Citation Intelligence

The analysis of which specific sources and pages an AI model chooses to reference when answering a query.

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Citation Rate

The percentage of AI responses that cite your content as a source. A key metric for measuring AEO success.

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Claude

Anthropic's AI assistant known for nuanced, thoughtful responses. One of the major AI platforms for brand visibility.

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ClaudeBot

Anthropic's web crawler for Claude AI. Allows or blocks Claude from accessing your website content.

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Content Cluster

A group of related content pieces organized around a pillar topic. Helps establish topical authority for AI.

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Content Freshness

How recently content was updated. AI often prefers fresh, current information, especially for time-sensitive topics.

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Context Window

The amount of text an AI can consider at once. Affects how much of your content AI can process.

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Conversational Query

Natural language questions users ask AI assistants, as opposed to keyword-based search queries. AEO optimizes for these.

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Conversational Search

A search experience where users interact with an AI in a dialogue format, using natural language instead of keyword strings.

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Copilot

Microsoft's AI assistant integrated into Bing, Edge, and Microsoft 365. Uses GPT models for conversational search.

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Domain Authority

A score predicting how well a site will rank. Higher authority sites are more likely to be cited by AI.

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E-E-A-T

Experience, Expertise, Authoritativeness, Trustworthiness. Google's quality criteria that AI models also consider when evaluating content authority.

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Embedding

A numerical representation of text that AI uses to understand meaning and find similar content.

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Fine-Tuning

Customizing an AI model with specific data. Some enterprises fine-tune models with proprietary content.

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Gemini

Google's multimodal AI model and assistant, competing with ChatGPT for conversational AI market share.

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GEO (Generative Engine Optimization)

Similar to AEO, the technical and strategic process of improving visibility within generative AI models.

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Google AI Mode

Google's conversational AI interface within search, allowing users to have back-and-forth conversations about search topics.

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GPTBot

OpenAI's web crawler that collects data for ChatGPT. Managing GPTBot access via robots.txt affects how ChatGPT understands your content.

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Hallucination

When an AI model generates factually incorrect information confidently. Monitoring hallucinations is critical for brand safety.

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Information Gain

The unique value or new information a piece of content adds. AI favors content with high information gain.

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Intent Mapping

The process of aligning website content with the specific goals or questions of a user's conversational prompt.

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JSON-LD

JavaScript Object Notation for Linked Data. The preferred format for implementing structured data that AI and search engines can parse.

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Knowledge Graph

A network of entities and their relationships that AI models use to provide structured, factual answers.

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LLM (Large Language Model)

A type of AI trained on vast amounts of text data to understand and generate human-like language (e.g., GPT-4, Claude 3).

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LLM.txt

A proposed standard file (similar to robots.txt) that provides a Markdown-formatted map of a website for AI crawlers to consume efficiently.

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Mention Frequency

A metric tracking how often a brand is mentioned in AI responses relative to a total set of industry-relevant prompts.

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Meta Description

HTML element describing page content. While less important for rankings, it helps AI understand content context.

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Natural Language Processing (NLP)

AI technology for understanding human language. Underpins how AI interprets and responds to queries.

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Perplexity AI

An AI-powered search engine that provides conversational answers with citations. A key platform for AEO optimization.

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PerplexityBot

Perplexity AI's web crawler that indexes content for use in Perplexity's AI-powered search responses.

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Pillar Page

A comprehensive page covering a broad topic, linking to related cluster content. Core to topical authority.

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Prompt Engineering

The practice of crafting specific inputs (prompts) to get the most accurate and useful output from an AI model.

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Prompt Intelligence

The study of which user prompts most frequently trigger a brand recommendation or citation in AI responses.

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RAG (Retrieval-Augmented Generation)

A technique that allows LLMs to pull in real-time information from external sources (like a website) before generating an answer.

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Robots.txt

A file that tells web crawlers (including AI bots) which pages to access or avoid. Critical for managing AI visibility.

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Schema Markup

A vocabulary of tags (schemas) that help search engines and AI understand content context. Part of Schema.org standards.

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Semantic Search

Search focused on the meaning and intent behind words rather than simple keyword matching.

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SERP

Search Engine Results Page. Traditional SEO focuses on SERPs; AEO focuses on AI-generated responses.

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Share of Voice (AI-SOV)

The percentage of AI responses in a given category that recommend a specific brand compared to its competitors.

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Source Attestation

The process by which an AI model verifies the authority and truthfulness of a source before citing it in an answer.

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Structured Data

Standardized code (usually JSON-LD) that helps search engines and AI understand your content. Includes schemas for Organization, Product, Article, FAQ, etc.

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Synthetic Traffic

Web traffic where the primary visitor is an AI agent or crawler acting on behalf of a user.

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Token

A unit of text AI processes (roughly 4 characters). LLM.txt file size and content length are measured in tokens.

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Topical Authority

The perception that your site is an expert on specific topics. AI models prioritize topically authoritative sources.

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Training Data

The text data used to train AI models. Being in training data affects how AI understands your brand.

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Vector Database

Storage for embeddings that enables semantic search. Used by RAG systems to retrieve relevant content.

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Zero-Click Search

A search where the user's query is answered directly on the results page (often by AI), resulting in no traffic to external websites.

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Needs a deeper dive?

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