SEO & GEO Glossary
279 terms covering AI search optimization, traditional SEO, content strategy, and technical concepts.
Featured terms
AI Search Ranking Factors
AI SearchThe signals and factors that AI-powered search engines use to determine which sources to cite, reference, or surface in their generated responses.
Citation Optimization
AI SearchThe strategic practice of structuring and presenting content to maximize the probability of being referenced and cited as a source in AI-generated responses and search results.
Conversational Search Optimization
AI SearchThe practice of optimizing content to perform well in conversational and natural language search interfaces, including voice assistants, chatbots, and AI-powered search engines.
Cumulative Layout Shift (CLS)
TechnicalA Core Web Vitals metric that measures the sum of all unexpected layout shift scores that occur throughout the entire lifespan of a page, quantifying visual instability.
Edge SEO
TechnicalAn SEO technique that uses edge computing infrastructure to modify HTML responses at the CDN level, enabling dynamic SEO optimizations without changing origin server code.
First Contentful Paint (FCP)
TechnicalA performance metric that measures the time from when a page starts loading to when any part of the page's content is rendered on the screen.
First Input Delay (FID)
TechnicalA Core Web Vitals metric that measures the time from when a user first interacts with a page to the time when the browser is able to begin processing event handlers in response.
First Meaningful Paint (FMP)
TechnicalA deprecated performance metric that measured when the primary content of a page became visible to users, now replaced by Largest Contentful Paint (LCP).
Headless CMS SEO
TechnicalThe practice of optimizing content delivered through headless content management systems, addressing unique challenges of API-first architectures and decoupled frontends.
Interaction to Next Paint (INP)
TechnicalA Core Web Vitals metric that measures the latency of all user interactions throughout a page visit, reporting the longest duration from user input to visual feedback.
International SEO
TechnicalThe practice of optimizing websites for search engines across multiple countries and languages, ensuring content reaches the right audience in their preferred language and location.
JavaScript SEO
TechnicalThe practice of optimizing JavaScript-heavy websites for search engine crawling and indexing, ensuring dynamic content is discoverable and properly rendered.
Largest Contentful Paint (LCP)
TechnicalA Core Web Vitals metric that measures the render time of the largest image or text block visible within the viewport, relative to when the page first started loading.
Multi-Modal Search Optimization
AI SearchThe practice of optimizing content across multiple formats—text, images, video, audio, and interactive elements—to maximize visibility in AI-powered multi-modal search systems.
Progressive Web App SEO
TechnicalThe practice of optimizing Progressive Web Apps for search engines while maintaining app-like functionality, offline capabilities, and superior performance.
Prompt Optimization SEO
AI SearchThe practice of optimizing content to surface in AI-generated responses by aligning with common prompt patterns, query formations, and user interaction behaviors.
RAG Optimization
AI SearchThe practice of optimizing content to perform well in Retrieval-Augmented Generation systems that power AI search engines and chatbots by combining retrieval and generation.
Render-Blocking Resources
TechnicalCSS and JavaScript files that prevent the browser from rendering page content until they're fully downloaded and processed, significantly impacting page load performance.
Speed Index
TechnicalA performance metric that measures how quickly the contents of a page are visibly populated, calculated as the average time at which visible parts of the page are displayed.
Time to First Byte (TTFB)
TechnicalA web performance metric that measures the time from when a browser requests a page until it receives the first byte of data from the web server.
Time to Interactive (TTI)
TechnicalA performance metric that measures the time from page start until the page is reliably interactive, meaning it displays useful content, responds to user interactions within 50ms, and has registered event handlers.
Total Blocking Time (TBT)
TechnicalA lab metric that measures the total time the main thread is blocked by long tasks, preventing user input responsiveness between First Contentful Paint and Time to Interactive.
301 Redirect
TechnicalA 301 redirect is a permanent HTTP redirect that passes most link equity to the new URL.
302 Redirect
TechnicalA 302 redirect is a temporary HTTP redirect used when a URL change is not permanent.
AI Content Detection
AI SearchAI content detection identifies whether content appears AI-generated or human-written.
AI Overview
SEOAI Overview is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
AI Overview Definition
SEOAI Overview Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
AI Overviews Optimization
AI SearchAI Overviews optimization improves content structure so AI summaries cite your pages.
AI Search Intent
AI SearchAI search intent is the intent behind queries directed at AI answer engines.
AI Visibility
AI SearchAI Visibility is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
AI Visibility
AI SearchAI Visibility is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
AI Visibility Definition
AI SearchAI Visibility Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
AI Visibility Monitoring
AI SearchAI visibility monitoring tracks how often your brand appears in AI answers over time.
Alt Text
SEOAlt text is descriptive text for images that improves accessibility and helps search engines understand images.
Anchor Text
SEOAnchor Text is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Anchor Text Definition
SEOAnchor Text Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
S
Service Area Business
SEOA service-area business serves customers at their locations without a storefront.
Sessions vs Users
AnalyticsSessions vs users compares visits to unique visitors to understand engagement patterns.
Shopping Results
SEOShopping results are product listings shown in search results, often driven by Merchant Center feeds.
Sitelinks
SEOSitelinks are additional SERP links that appear under a main listing to navigate key pages.
Sitemap Index
TechnicalA sitemap index is a file that lists multiple XML sitemaps for large sites.
Sitemap XML
SEOSitemap XML is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Sitemap XML Definition
SEOSitemap XML Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Soft 404
TechnicalSoft 404 is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Soft 404
TechnicalSoft 404 is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Soft 404 Definition
TechnicalSoft 404 Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Speed Index
TechnicalA performance metric that measures how quickly the contents of a page are visibly populated, calculated as the average time at which visible parts of the page are displayed.
Sponsored Link
SEOA sponsored link is a paid link that should be tagged to comply with search guidelines.
T
Technical SEO
TechnicalTechnical SEO focuses on site infrastructure so search engines can crawl, render, and index pages efficiently.
Thin Category Pages
SEOThin category pages have little content and often struggle to rank.
Time on Page
AnalyticsTime on page measures how long users stay on a page before navigating away.
Time to First Byte (TTFB)
TechnicalA web performance metric that measures the time from when a browser requests a page until it receives the first byte of data from the web server.
Time to Interactive (TTI)
TechnicalA performance metric that measures the time from page start until the page is reliably interactive, meaning it displays useful content, responds to user interactions within 50ms, and has registered event handlers.
Title Tag
SEOAn HTML element that specifies the title of a web page, displayed in browser tabs and as the clickable headline in search engine results. Learn how to write optimized title tags that rank and get clicks.
Title Tag
SEOTitle Tag is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Title Tag Definition
SEOTitle Tag Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Top Stories
SEOTop Stories is a SERP feature that highlights timely news articles.
Topic Cluster
ContentA content organization strategy where a comprehensive pillar page covers a broad topic and links to multiple related cluster pages that explore subtopics in depth, creating a hub-and-spoke structure.
Topic Cluster
SEOTopic Cluster is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Topic Cluster Definition
SEOTopic Cluster Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Topical Authority
ContentThe perceived expertise and trustworthiness a website has on a particular subject, built through comprehensive content coverage and quality signals.
Topical Authority
SEOTopical Authority is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Topical Authority Definition
SEOTopical Authority Definition is a core SEO concept that influences how search engines evaluate, surface, or interpret pages.
Topical Map
ContentA topical map is a visual plan of content coverage across a subject area.
Total Blocking Time (TBT)
TechnicalA lab metric that measures the total time the main thread is blocked by long tasks, preventing user input responsiveness between First Contentful Paint and Time to Interactive.
Transactional Intent
ContentTransactional intent signals that a user is ready to take action or purchase.
Trust Flow
SEOTrust Flow is a metric that estimates link quality based on proximity to trusted sources.