SEO glossary page 18.

Content SEO Topic cluster A topic cluster is a connected group of pages that cover a subject from multiple angles and link together logically. Content SEO Topic Depth Topic depth describes how completely and usefully a page covers the questions, context and decisions around a subject. AI Visibility Topic Embeddings Topic embeddings are vector representations assigned to topics so that topics, words or documents can be compared within a model's shared representation space. Content SEO Topic gap Topic gap is a practical SEO term used to describe a specific website signal, workflow or optimization area that can influence organic visibility. Content SEO Topic relevance Topic relevance is a practical SEO term used to describe a specific website signal, workflow or optimization area that can influence organic visibility. Content SEO Topical authority Topical authority is the perceived depth and reliability a website has around a subject area. Content SEO Topical Coverage Topical Coverage is a practical SEO term used to describe a specific website signal, workflow or optimization area that can influence organic visibility. AI Visibility Topical Entity Topical entity is a non-standard label for an identified entity used as an anchor or subject within a defined content topic, taxonomy or analysis. Content SEO Topical Map A topical map is a structured plan of topics, subtopics, pages and relationships needed to cover a market or subject area. Content SEO Topical Optimization Topical Optimization is a practical SEO term used to describe a specific website signal, workflow or optimization area that can influence organic visibility. Content SEO Topical relevance Topical relevance is the degree to which a page's main subject, entities and supporting information genuinely belong to a defined topic. Off-Page SEO Toxic Backlink A toxic backlink is a vendor or analyst label applied to one observed inbound link whose context or acquisition evidence suggests possible manipulation, compromise or other material risk requiring review. AYSA Execution Traceability Traceability is the ability to follow a result through linked evidence about the entities, activities and people or systems that produced it. Analytics Traffic Drop A traffic drop is a negative absolute or percentage change in one named traffic metric between two explicitly comparable observation periods. Analytics Traffic Estimation Traffic estimation is a modelled range for future or unobserved visits, calculated from declared demand, visibility and click assumptions rather than counted sessions. Analytics Traffic Gain A traffic gain is a positive absolute or percentage change in one named traffic metric between two explicitly comparable observation periods. Analytics Traffic Potential Traffic potential is a scenario-dependent range for incremental visits available above a declared baseline if a defined set of visibility and click assumptions is achieved. Content SEO Transactional intent Transactional intent describes the purpose behind a search query or page, such as learning, comparing, buying or finding a local service. Content SEO Transactional keyword A transactional keyword is a target search phrase whose strongest supported interpretation is completing an action such as buying, booking, subscribing, downloading or requesting a quote. Link Building Trust Flow Trust Flow is Majestic's proprietary 0–100 Flow Metric based on link-graph proximity to a set of sites Majestic selected through manual review. SEO Basics Trust signal Trust signal is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. Link Building UGC link A UGC link is a hyperlink supplied through user-generated content, such as a comment or forum post, and identified for Google with the `ugc` relationship value. Off-Page SEO Unlinked Brand Mention An unlinked brand mention is an unlinked mention whose text and context are resolved specifically to a brand entity rather than another namesake or product. Off-Page SEO Unlinked mention An unlinked mention is a source occurrence resolved to an identifiable entity or resource without a hyperlink to its canonical reference. Technical SEO URL Canonicalization URL Canonicalization is the selection of one representative URL from a set of duplicate or sufficiently similar URLs for a defined system or purpose. Technical SEO URL parameter A URL parameter is a name-value component in a URL query string used to pass state such as a filter, page number, sort order or tracking value. Technical SEO URL Parameters URL Parameters are application-defined values carried in a URL, commonly as key-value pairs in its query component, that can alter selection, presentation, tracking or processing. Link Building URL Rating URL Rating is Ahrefs' proprietary page-level 0–100 logarithmic metric for the strength of a page's internal and external link profile in Ahrefs' data. Technical SEO URL slug A URL slug is the human-maintained path segment that identifies a routed page or record within a website's URL structure. SEO Basics User Experience SEO User Experience SEO is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. Content SEO User intent User intent describes the purpose behind a search query or page, such as learning, comparing, buying or finding a local service. Content SEO Variant page Variant page describes a specific page type or page-level SEO asset that should satisfy a clear user intent, carry useful content and fit into the site architecture. Technical SEO Vector Database SEO Vector database SEO is a non-standard label for coordinating an internal vector index with authoritative website sources without confusing private retrieval infrastructure with public search indexing. AI Visibility Vector Embeddings Vector embeddings are ordered arrays of numbers produced to represent an input so that a chosen distance or similarity function can compare relationships within the same compatible vector space. AI Visibility Vector Retrieval Vector retrieval returns items whose stored numeric vectors are nearest to a query vector under a chosen similarity or distance function. AI Visibility Vector Search Vector search finds stored vectors that are nearest to a query vector under a selected distance measure, commonly by using an index built for exact or approximate nearest-neighbour retrieval. SEO Basics Vertical Search Vertical Search is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. SEO Basics Video SEO Video SEO is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. Analytics Visibility score Visibility score is a measurement concept used to evaluate organic search performance, user behavior or business outcomes. SEO Basics Voice search Voice search is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. SEO Basics Voice Search SEO Voice Search SEO is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. Technical SEO Web Crawler A web crawler is an automated program that discovers and requests webpages by following links, reading sitemaps and using known URL lists. Technical SEO Web Rendering Web rendering is the production of a page's document structure and visible interface from templates, data, styles and application logic. SEO Basics Website Architecture Website Architecture is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. Off-Page SEO Website Authority Website authority is the overall trust and credibility a website appears to have across search, links, mentions, content and public evidence. AYSA Execution Website Connection A website connection is the verified relationship that associates an AYSA project with a particular owned website and connection state. Technical SEO Website Entity Website entity is a context-dependent label for a website represented as an identifiable digital resource with its own URL, name, publisher and relationships to pages or organizations. AYSA Execution Website Execution Website execution is the application of an approved content, metadata or technical change to the intended website system and object. SEO Basics Website Taxonomy Website Taxonomy is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. SEO Basics White Hat SEO White hat SEO refers to ethical search engine optimization tactics that comply with major search engine guidelines, such as Google’s, while focusing on user experience, high-quality content and long-term sustainability. AYSA Execution WordPress Execution WordPress execution is the authenticated and authorized application of an approved change to a specific WordPress object through a supported workflow. SEO Basics WordPress SEO WordPress SEO is an SEO concept used to describe a specific part of how websites earn, measure or protect organic search visibility. AYSA Execution Workflow Gate A workflow gate is a defined condition that must pass before a task may move from one operational state to the next. SEO Basics XML feed XML feed is a practical SEO term used to describe a specific website signal, workflow or optimization area that can influence organic visibility. Technical SEO XML sitemap An XML sitemap is a machine-readable file that lists canonical URLs a site wants search engines to discover and consider for crawling. SEO Basics YMYL YMYL is an SEO concept used to describe how search visibility is planned, improved, measured or protected. Analytics Zero Position Zero Position is an SEO measurement concept used to understand search performance, user behavior or business impact. Analytics Zero-click search A zero-click search is a search event or session that ends without the user clicking a result link, under a stated measurement methodology. AEO Zero-Click SEO Zero-click SEO is the practice of making owned information accurate, attributable and useful in search-result experiences where exposure may not produce a visit, while preserving clear paths for users who need the website.