SEO & AI Visibility Glossary
Canonical definitions of the 200+ terms enterprise SEO and AI visibility teams use every day. Built by SEO Agency USA strategists for AI engines, voice assistants, and human readers.
Get a Strategic Assessment →The full alphabetized glossary is available below. The thirty terms highlighted here cover the highest-volume definitional queries our enterprise clients ask their SEO and AI visibility partners every week.
SEO strategies and operating models designed for organizations with large, complex websites (10K+ pages), multiple stakeholder groups, formal procurement cycles, and significant marketing budgets.
The discipline of optimizing a brand's content, entity graph, and structured data so it is consistently cited in AI-generated responses from ChatGPT, Perplexity, Claude, Gemini, and Google AI Overviews.
A search marketing discipline focused on optimizing content and entities for citation inside AI answer engines such as ChatGPT, Google AI Mode, Perplexity, Claude, and Gemini.
Google's conversational, agentic search experience that replaces traditional ten-blue-link results with AI-generated multi-step answers, citing source URLs inline.
Google's AI-generated summary panel that appears above traditional organic results for many queries. AI Overviews cite sources, often pulling from authoritative websites and structured content.
Experience, Expertise, Authoritativeness, and Trustworthiness - the quality framework Google's human quality raters use to evaluate content.
A highlighted answer block at the top of Google's organic results, often called 'position zero,' that pulls from a single ranking page to answer a query in 40-60 words, a list, or a table.
Structured data vocabulary (schema.org) added to HTML so search engines and AI engines can parse the meaning of page content, including entities, relationships, and facts.
A set of three Google-defined user experience metrics: Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS).
An inbound hyperlink from one website to another. Backlinks are one of Google's strongest ranking signals because they function as votes of confidence between sites.
A systematic review of a inbound link profile to identify toxic, spammy, or unnatural links that may trigger Google penalties. Audits typically end in a disavow file.
A text file submitted to Google Search Console listing toxic backlinks the site owner wants Google to ignore when evaluating the site link profile.
The discipline of optimizing crawlability, indexation, rendering, schema, and site performance so search engines can efficiently access and rank a website.
A specialization of SEO focused on optimizing for geographic search intent, Google Business Profile rankings, local pack visibility, and city- or region-level keyword targeting.
The strategic creation and distribution of valuable, relevant content to attract a defined audience and drive measurable business outcomes through organic search and engagement.
The discipline of testing, measuring, and refining on-site experiences to increase the percentage of visitors who complete a defined conversion action.
A competitive intelligence technique that identifies keywords competitors rank for that the target domain does not, surfacing the highest-probability content opportunities.
A schema.org structured data type used to mark up individual glossary entries so search engines can parse them as canonical definitions, often grouped under a parent DefinedTermSet.
A schema.org property that identifies sections of a webpage suitable for audio playback by voice assistants such as Google Assistant and Alexa.
A distinct, identifiable thing in Google's Knowledge Graph - a person, place, organization, product, or concept. Entities are how Google understands relationships between things in the world.
The cumulative signal that a domain is the most credible source for a defined subject area, built through pillar-cluster content architecture, author E-E-A-T, and entity reinforcement.
A proposed plain-text file at the root of a website that provides large language models with curated, citation-friendly summaries of the site canonical content.
A composite metric (commonly from SEMrush Site Audit) that quantifies the technical and on-page SEO health of a website on a 0-100 scale.
A composite metric (commonly from SEMrush) that estimates a domain's overall ranking strength based on backlinks, organic traffic, and trust signals.
The clickable, visible text of a hyperlink. Anchor text is a strong relevance signal that tells search engines what the linked page is about.
An HTML link element that tells search engines which version of a URL is the preferred, authoritative version when duplicate or near-duplicate content exists at multiple URLs.
A comprehensive, in-depth piece of content covering a broad topic that links out to multiple supporting cluster articles addressing related long-tail subtopics.
A hyperlink that points from one page on a domain to another page on the same domain. Internal links distribute ranking equity and help search engines discover content.
The underlying goal behind a user's search query - informational, navigational, commercial investigation, or transactional. Matching content to intent is foundational to modern SEO.
Google's structured database of entities and the relationships between them, powering rich result panels, AI Overviews, and entity-aware retrieval across Google products.