SEO & GEO Glossary

When an AI system references or mentions your brand, product, or content in its response. Citations can be explicit (with source links) or implicit (mentioning without linking).

Google's dedicated AI search interface that uses Gemini to synthesize multi-step answers rather than returning a ranked list of links. Introduced in 2025 and expanded significantly at Google I/O 2026, it supports follow-up questions and agentic tasks.

Google's AI-generated summaries that appear at the top of search results, powered by the Gemini model. Launched publicly in May 2024 (replacing the experimental Search Generative Experience). Available in over 200 countries and 40+ languages.

The percentage of AI responses in your industry that mention your brand versus competitors. Key metric for measuring AI visibility success.

The corpus of text, images, and other content used to train AI models. For GEO, understanding what's in training data helps predict what AI systems know about your brand.

The presence and prominence of your brand, content, or products in AI-generated responses and recommendations. Measures how often and how prominently AI systems reference your information.

The clickable text in a hyperlink. Diverse, natural anchor text helps search engines and AI systems understand what your content is about.

Optimizing content to appear in direct answer formats across search engines and AI systems. AEO focuses on structuring information to be easily extracted and presented as featured snippets or AI responses.

OpenAI's conversational AI platform powered by GPT models. One of the most widely used AI assistants globally, making it a critical platform for GEO optimization.

How often AI systems cite your content when answering relevant queries. Higher citation rates indicate better GEO performance.

Anthropic's AI assistant family known for nuanced reasoning and safety. Popular among professionals for research and writing tasks. Current models include Claude Opus and Claude Sonnet.

The percentage of users who click on your result after seeing it. Important for both traditional SERP and AI-provided source links.

The rate at which you publish new content. Consistent velocity signals freshness and authority to both search engines and AI systems.

Search interactions that mimic natural conversation, with follow-up questions and contextual understanding. Common in ChatGPT, Gemini, and modern search engines.

Google's metrics for measuring user experience: Largest Contentful Paint (LCP), Interaction to Next Paint (INP), and Cumulative Layout Shift (CLS). INP replaced First Input Delay (FID) as a Core Web Vital in March 2024. Critical for both SEO and user satisfaction.

The number of pages search engines will crawl on your site within a given timeframe. Efficient crawl budget usage ensures important content gets indexed.

Creating newsworthy content and campaigns to earn editorial links from news sites and industry publications. Critical for building authority that AI systems recognize.

A metric (0-100) that shows the strength of a website's backlink profile. Higher DR sites are more likely to be cited by AI systems.

How long users spend on your page before returning to search results. Longer dwell time is a proxy signal for content quality and user satisfaction.

Experience, Expertise, Authoritativeness, and Trustworthiness. Google's framework for assessing content quality, increasingly important for AI citations.

The practice of optimizing content to appear in AI-generated responses from systems like ChatGPT, Google Gemini, and Perplexity AI. GEO focuses on making content more likely to be cited and referenced by large language models.

Google's multimodal AI assistant and underlying model family, launched in February 2024 (replacing the earlier Bard product). Gemini powers Google AI Overviews, AI Mode, and Google Search's generative features.

Help A Reporter Out — a service connecting journalists with expert sources, originally launched in 2008. The platform was shut down in December 2024 (then operating as Connectively) and revived under the HARO brand by Featured.com in April 2025. Useful for earning high-authority links and establishing expertise signals for AI systems.

A knowledge base used by Google and other systems to enhance search results with semantic information. Being in the Knowledge Graph improves AI visibility.

AI models trained on vast amounts of text data that can generate human-like responses. Examples include GPT-4o, Claude, Gemini, and LLaMA. These models power most modern AI chat and search experiences.

The rate at which a website acquires new backlinks over time. Natural, consistent velocity is important for maintaining authority.

An AI-powered answer engine that provides sourced, real-time responses by searching the web. Known for transparency in citing sources.

Comprehensive, authoritative page covering a broad topic that links to related cluster content. Serves as the hub for topic authority.

The practice of crafting inputs to AI systems to elicit specific, high-quality responses. In GEO context, it refers to optimizing content to match common user prompts.

Retrieval-Augmented Generation — a technique where AI systems retrieve relevant information from external sources before generating responses. Used by Perplexity AI, Microsoft Copilot, and ChatGPT's web search mode.

The underlying goal behind a user's search query. Understanding intent (informational, navigational, transactional, commercial) is crucial for content optimization.

Optimizing for meaning and context rather than just keywords. Focuses on topics, entities, and relationships to match how AI systems understand content.

Standardized format for providing information about a page using Schema.org vocabulary. Helps search engines and AI systems understand content context and relationships.

A content strategy that organizes related content around a central pillar page. Helps establish topical authority for both traditional SEO and AI systems.

When a brand or website is mentioned without a hyperlink. These mentions still contribute to brand awareness and can influence AI systems.

Search queries answered directly on the search results page without requiring a click to a website. Includes featured snippets, knowledge panels, and AI-generated summaries.