A practical resource
for AI visibility.
AI search, without
the fog.
The terms behind AI visibility, GEO, citations, crawlers, and answer engines. Written for people doing the work.
definitions
Ask plainly. Learn quickly.
AI visibility
How often and how prominently a brand appears in answers from AI systems.
Read the complete definition →Answer engine optimization (AEO)
Improving content so answer engines can understand, trust, and use it.
Read the complete definition →Generative engine optimization (GEO)
The practice of improving a brand's presence in generative AI answers.
Read the complete definition →Share of AI
A brand's portion of relevant AI answers or recommendations within a tracked market.
Read the complete definition →Prompt monitoring
Repeatedly running important prompts to observe how AI answers change.
Read the complete definition →Prompt library
A structured set of questions used to measure buyer journeys in AI search.
Read the complete definition →Buyer prompt
A question a potential customer asks an AI system while evaluating a purchase.
Read the complete definition →Prompt intent
The underlying goal behind a person's question to an AI system.
Read the complete definition →Commercial intent
Signals that a prompt is connected to evaluating or choosing a product or service.
Read the complete definition →Brand mention
An explicit reference to a brand, product, or domain in an AI answer.
Read the complete definition →Mention rate
The percentage of tracked answers that mention a brand.
Read the complete definition →Recommendation rate
The percentage of answers that actively recommend a brand.
Read the complete definition →Answer position
Where a brand appears within an ordered AI response.
Read the complete definition →Competitive visibility
A comparison of brand presence across the companies competing for the same answers.
Read the complete definition →Competitive gap
A prompt, topic, or source where competitors appear and the tracked brand does not.
Read the complete definition →Source gap
A cited page or domain that supports competitors but omits the tracked brand.
Read the complete definition →AI citation
A source page linked or attributed within an AI-generated answer.
Read the complete definition →Citation frequency
How often a page or domain is cited across a monitored answer set.
Read the complete definition →Citation diversity
The breadth of independent domains and page types supporting an answer or brand.
Read the complete definition →Source authority
The perceived credibility and influence of a source used in AI answers.
Read the complete definition →Model coverage
The range of AI models in which a brand or finding appears.
Read the complete definition →Cross-model consistency
How similar a brand's visibility or positioning is across different AI systems.
Read the complete definition →Answer volatility
How much an AI answer changes between repeated runs or over time.
Read the complete definition →AI answer sentiment
The positive, neutral, mixed, or negative framing of a brand in an answer.
Read the complete definition →Entity
A distinct person, organization, product, place, or concept understood as one thing.
Read the complete definition →Entity resolution
Matching different names, domains, and references to the same real-world entity.
Read the complete definition →Entity authority
The accumulated trust and prominence associated with an entity in a topic.
Read the complete definition →Knowledge graph
A network of entities and the relationships between them.
Read the complete definition →Structured data
Machine-readable markup that describes a page's entities and content.
Read the complete definition →Schema.org
A shared vocabulary for describing structured information on web pages.
Read the complete definition →JSON-LD
A JSON-based format commonly used to add linked structured data to a page.
Read the complete definition →Retrieval-augmented generation (RAG)
Generating an answer with information retrieved from external sources.
Read the complete definition →Grounding
Connecting an AI answer to specific evidence or trusted data.
Read the complete definition →AI hallucination
A confident output that is unsupported, fabricated, or factually incorrect.
Read the complete definition →Claim accuracy
How closely statements in AI answers match verifiable facts.
Read the complete definition →Information freshness
How current the facts and sources used in an AI answer are.
Read the complete definition →llms.txt
A proposed plain-text file that helps AI systems find a site's most useful content.
Read the complete definition →robots.txt
A root-level file that communicates crawl permissions to compliant bots.
Read the complete definition →AI crawler
An automated user agent that retrieves web content for an AI-related service.
Read the complete definition →AI crawler analytics
Measurement of confirmed AI-bot visits to a website.
Read the complete definition →Server log analysis
Reviewing web-server request logs to understand crawler and visitor behavior.
Read the complete definition →XML sitemap
A machine-readable list of canonical URLs a site wants crawlers to discover.
Read the complete definition →Indexability
Whether a page is technically eligible to be added to a search or retrieval index.
Read the complete definition →Canonical URL
The preferred URL for a page when duplicate or similar versions exist.
Read the complete definition →Duplicate content
Substantially similar content available at multiple URLs.
Read the complete definition →Content gap
A useful topic, question, or proof point that a site does not adequately cover.
Read the complete definition →Information gain
Useful new value a page adds beyond what existing sources already say.
Read the complete definition →Primary research
Original evidence collected or produced directly by an organization.
Read the complete definition →Topical authority
Demonstrated depth, consistency, and credibility across a subject area.
Read the complete definition →Content cluster
A group of related pages organized around a broader subject.
Read the complete definition →Internal linking
Links between pages on the same website.
Read the complete definition →Anchor text
The visible words used in a hyperlink.
Read the complete definition →Zero-click search
A search journey where the user gets an answer without visiting a result page.
Read the complete definition →Vector search
Retrieving content by mathematical similarity between semantic representations.
Read the complete definition →Embedding
A numeric representation of text, images, or other data used to compare meaning.
Read the complete definition →Semantic search
Search that uses meaning and context rather than exact word matching alone.
Read the complete definition →Know the language.
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