Semantic search is a search method that matches a query to relevant content based on meaning and intent, using techniques like vector embeddings, rather than requiring an exact or near-exact match of the words typed. Semantic Search in Practice A traditional keyword search for “gentle exfoliant for sensitive skin” might miss Northloom’s genuinely relevant page,…
A context window is the maximum amount of text — measured in tokens, not words — that a language model can process at once when generating a response, including the user’s prompt, any retrieved content fed to it, and prior conversation history. Context Window in Practice If a model has a context window of 200,000…
Entity SEO is the practice of optimizing how search engines and AI systems understand a brand, person, or business as a distinct, well-defined “entity” — with a clear set of attributes and relationships — rather than optimizing for individual keyword strings in isolation. Entity SEO in Practice Google’s Knowledge Graph doesn’t just index the words…
Citation share is the percentage of AI-generated responses, across a defined set of prompts, in which a brand’s content is specifically cited or linked as the source of the information — distinct from simply being mentioned by name without attribution. Citation Share in Practice Ahrefs’ Brand Radar tool explicitly separates “mentions” (how many AI responses…
Brand mention rate is the raw frequency with which a brand’s name appears in AI-generated answer text across a defined set of prompts, regardless of whether that mention comes with a link, a citation, or any attribution at all. Brand Mention Rate in Practice If a brand name shows up in an AI response purely…
Structured data for AEO is schema.org markup applied specifically to help both traditional answer engines and AI parsing systems identify direct-answer content on a page — most commonly FAQPage, HowTo, and QAPage schema — distinct from general product or organization markup. Structured Data for AEO in Practice A page with FAQPage schema wrapping a clearly…
Share of voice is the percentage of total visibility — historically measured in advertising spend or media mentions, later adapted to organic search impressions — that a brand holds within its category, relative to named competitors, across a defined channel. Share of Voice in Practice In traditional media, share of voice might mean what percentage…
Zero-click search refers to a search where the user gets their answer directly on the results page — through a featured snippet, knowledge panel, or AI-generated summary — and never clicks through to any website at all. Zero-Click Search in Practice A widely cited 2024 SparkToro/Semrush study found that nearly six out of every ten…
AI citation rate is the percentage of a defined set of prompt-engine pairs (a specific prompt, tested on a specific AI platform) in which a brand’s content is cited as a source in the generated response. AI Citation Rate in Practice GenOptima’s Q1 2026 industry benchmark tracked citation behavior across eight AI engines and found…
Prompt volume is the number of times a given prompt, or cluster of closely related prompts, is asked across AI platforms within a given period — the AI-search analogue of keyword search volume in traditional SEO. Prompt Volume in Practice Just as “best running shoes” has a measurable monthly search volume in Google Keyword Planner,…
