GEO & AI Search
Glossary
Working definitions for Generative Engine Optimization, AI visibility, and related terms. Terminology is evolving, so each entry states measurement and evidence limitations.
Generative Engine Optimization (GEO)
An emerging label for work intended to make accurate web information easier for generative systems and their users to find and interpret.
Answer Engine Optimization (AEO)
An emerging label for structuring useful answers for search and answer interfaces.
AI Visibility
An umbrella term for how a named entity appears in a defined sample of AI-generated responses; it is not a universal platform metric.
llms.txt
A proposed, voluntary text-file convention for listing selected website resources for language-model use; support and effects vary and are not guaranteed.
AI Crawlers
Automated user agents operated for AI-related retrieval, search, or model-development purposes; operators publish separate names and controls.
AI Citations
Visible source references or links included with some generated responses. Citation behavior differs by platform, surface, and query.
Structured Data for AI
Machine-readable markup, often using Schema.org vocabulary, that describes visible page entities. It does not guarantee use in an AI response.
Robots.txt for AI
Application of the robots exclusion protocol to AI-related user agents. Rules concern crawler access, not guaranteed indexing, training, citation, or recommendation.
Citation Readiness
An editorial assessment of whether a passage states a clear, supportable claim with enough context and sourcing for a reader or system to reference it accurately.
AI Brand Mentions
Occurrences of a brand name in a defined sample of AI-generated responses, whether or not the response links to the brand.
AI Search
Search or discovery experiences that use generative or other machine-learning systems to interpret a query, retrieve information, or compose an answer.
AI Content Optimization
Editing content for clarity, factual accuracy, structure, accessibility, and machine interpretation while preserving usefulness for human readers.
GEO Agency
A service provider that uses the GEO label for consulting or implementation related to visibility in generative search and answer experiences.
AI Search Ranking Factors
A shorthand for signals hypothesized or documented to affect retrieval, ordering, or source selection in an AI-assisted search surface; factors differ by product and are often not public.
AI Overviews
Google Search summaries generated for some queries, shown with supporting links and other search features; appearance and availability vary.
Topical Authority
A non-standard marketing term for the perceived depth, accuracy, and reputation of a source across a subject area.
Information Density
The amount of decision-relevant information in a passage relative to its length; it is meaningful only when the information is accurate and understandable.
AI Brand Optimization
Coordinating accurate first-party content and public entity information so a brand is represented consistently in AI-assisted discovery contexts.
Perplexity Optimization
Work intended to make accurate content accessible and useful in Perplexity searches, evaluated through current documentation and sampled responses rather than guaranteed citations.
Prompt Engineering for Brands
Designing and testing instructions or query templates for brand-related AI tasks, such as monitoring, analysis, or controlled content workflows.
AI Content Strategy
A plan for creating, governing, and measuring content used in or discovered through AI-assisted experiences.
Entity Optimization
Improving the accuracy and consistency of information that identifies a person, organization, product, place, or other named entity across relevant sources.
Knowledge Graph Optimization
Maintaining clear, source-backed entity facts and relationships that graph-based search systems may interpret; publishers do not control a platform's private knowledge graph.
Conversational Search
An information-retrieval experience in which users ask natural-language questions and can refine the task through follow-up turns.
Zero-Click Search
A search session in which the user obtains an answer or completes a task without visiting an external result.
AI Recommendation Engine
A system that uses data and models to select or order items for a user or context; its objective and inputs depend on the product.
NLP for SEO
Use of language-analysis methods in SEO research or implementation, such as classifying intent, entities, topics, or document similarity.
Semantic Search
Information retrieval based partly on interpreted meaning and relationships rather than only exact keyword matching.
LLM Optimization
A broad, non-standard label for adapting content, prompts, data, or software to a specified large-language-model use case.
AI Brand Sentiment
A coded description of how a brand is portrayed in a defined sample of AI responses; it requires an explicit rubric and should not be treated as a platform-wide attitude.
Multi-Modal Search
Search that accepts or returns more than one media type, such as text, images, audio, or video.
Voice Search Optimization
Improving content and business information for spoken-query discovery, including concise answers, local accuracy, and accessible page structure.
AI Content Scoring
Applying a stated rubric or model to content characteristics. A score reflects that rubric and is not proof of ranking, citation, quality, or business impact.
Digital Authority
A broad, non-standard description of a source's demonstrated expertise, reputation, and reliability online.
AI Search Market Share
The proportion of a clearly defined search or discovery market attributed to AI-assisted products, requiring a stated population, unit, geography, and period.
Featured Snippet Optimization
Structuring a page so a concise answer is easy to identify for search features, without guaranteeing selection as a featured snippet.
AI-Powered SEO
Use of AI tools to assist SEO tasks such as research, classification, drafting, analysis, or quality control, with human verification where needed.
Search Generative Experience (SGE)
The former experimental name for Google's generative Search experience that preceded the AI Overviews product name.
AI Content Gap Analysis
A review that compares audience questions and existing content to identify missing, incomplete, outdated, or weakly supported information.
Chatbot Optimization
Improving a chatbot's instructions, retrieval sources, conversation design, testing, and escalation paths for a defined user task.
AI Overview Optimization
Work intended to make accurate pages eligible and useful as sources around Google AI Overviews; inclusion is controlled by Google and is not guaranteed.
Entity-Based SEO
SEO that organizes research and content around identifiable entities, their attributes, and relationships as well as search queries.
AI Prompt Optimization
Iterative testing and revision of prompts against a defined task, evaluation rubric, model, and context.
Brand Entity Graph
An editorial or data model of a brand and its relationships to products, people, locations, topics, and source records.
AI Citation Share
The proportion of coded citations assigned to an entity within a defined prompt-and-platform sample, not a universal market metric.
GEO Strategy
A plan for accurate content, technical access, entity information, and measurement in specified generative discovery surfaces.
GEO Audit
A review of defined technical, content, entity, and sampled-response conditions related to generative discovery; audit scope must state what was and was not observed.
AI Share of Voice
An entity's proportion of mentions within a defined set of content or responses, calculated using a disclosed sample and coding method.
GEO Services
Consulting or implementation services offered under the GEO label, commonly spanning technical review, content, entity information, and measurement.
AI Mention Frequency
The count or rate of entity mentions in a specified set of AI responses, with repeats, platforms, dates, and coding rules disclosed.
GEO Roadmap
A prioritized plan of GEO-related tasks, owners, dependencies, evidence requirements, and measurement checkpoints.
AI Overview Citation
A visible source link or reference associated with a Google AI Overview at a particular observation time.
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