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Glossary

AI Search & SEO, explained simply

Every term you need to understand how brands get found — by Google, and now by ChatGPT, Gemini, Claude, and Perplexity. No jargon left unexplained.

A

AEO (Answer Engine Optimization)

AI Search

The practice of structuring content so AI assistants and answer engines select it as the direct answer to a question — the AI-era equivalent of ranking #1.

AI Citation

AI Search

An instance where an AI assistant names your brand, links to your page, or references your content as a source in its answer.

AI Crawler

AI Search

An automated bot (like GPTBot, ClaudeBot, or Google-Extended) that an AI company sends to read your site so its models can learn from or cite your content.

AI Overview

AI Search

Google's AI-generated summary shown above traditional search results, synthesizing an answer from multiple sources instead of just linking to them.

AIO (Artificial Intelligence Optimization)

AI Search

The umbrella discipline covering AEO, GEO, and every practice aimed at making a brand's digital presence readable, trustworthy, and citable by AI systems.

Alt Text

SEO

A written description attached to an image, read by screen readers and search engines when the image itself can't be seen or rendered.

Anchor Text

SEO

The clickable, visible text of a hyperlink. Search engines use it as a clue about what the linked page is about.

Answer Engine

AI Search

Any tool — ChatGPT, Perplexity, Gemini — that responds to a query with a direct, synthesized answer instead of a list of links to click through.

B

Backlink

SEO

A link from another website pointing to yours. Search engines treat backlinks as a vote of confidence in your content's credibility.

Black Hat SEO

SEO

Tactics that violate a search engine's guidelines to manipulate rankings — such as keyword stuffing or buying links — that risk penalties when discovered.

Bounce Rate

SEO

The percentage of visitors who leave your site after viewing just one page, without clicking, scrolling deep, or taking further action.

Brand Mentions

AI Search

Any instance where an AI's answer names your brand, whether or not it includes a link — the first, broadest signal of AI visibility.

C

Canonical Tag

SEO

An HTML tag that tells search engines which version of a page is the "original" when duplicate or near-duplicate versions exist.

Chunking

AI Search

Breaking content into clearly labeled, self-contained sections so an AI system can pull out just the one piece that answers a specific question, without needing the whole page.

Citation Density

AI Search

How often your brand is referenced across the broader web — industry reports, comparison sites, forums — which AI models treat as a trust signal, beyond any single backlink.

Content Hub (Pillar Page / Topic Cluster)

SEO

A group of interlinked pages built around one broad topic — a central "pillar" page plus supporting articles — that signals topical authority to search engines.

Core Web Vitals

SEO

Google's set of measurable page-experience metrics — loading speed, visual stability, and responsiveness — used as a ranking factor.

Crawlability

SEO

How easily a search engine's (or AI's) bot can access and read the content on your pages — blocked by things like broken links or JavaScript-only rendering.

D

Domain Authority / Rating

SEO

A third-party score estimating how strong and trustworthy a website is, based mainly on the quantity and quality of its backlinks.

Dwell Time

SEO

How long a visitor stays on your page after clicking a search result before returning to the results page — a proxy signal for content quality.

E

E-E-A-T

AI Search

Experience, Expertise, Authoritativeness, and Trustworthiness — Google's framework for judging content quality, and a strong signal AI models also weigh when deciding what to cite.

Entity-Based SEO

SEO

An approach that optimizes around real-world concepts and things (people, places, brands) rather than exact keyword phrases — closer to how AI models actually process meaning.

Embeddings (Vector Embeddings)

AI Search

A numeric representation of text that captures its meaning, allowing an AI system to find and retrieve content that's conceptually related — not just keyword-matched.

F

Fan-out Queries

AI Search

The related follow-up questions an AI system generates on its own to build a more complete answer — content that anticipates these earns more citations.

Featured Snippet

SEO

A highlighted answer box shown at the top of Google's results, pulled directly from a page's content — the direct precursor to today's AI Overviews.

G

GEO (Generative Engine Optimization)

AI Search

The discipline of shaping how generative AI models perceive, describe, and recommend your brand across every interaction — broader than just earning a single answer placement.

Google Search Console

SEO

A free tool from Google that shows how your site performs in search results and flags indexing or technical issues.

H

Hallucination

AI Search

When an AI model states something confidently that is factually wrong or entirely made up — a key reason strong, verifiable brand sources matter so much for AI visibility.

Header Tags (H1–H6)

SEO

The HTML tags used to mark titles and subheadings, in descending order of importance, helping both readers and machines understand a page's structure.

Hreflang

SEO

An HTML attribute that tells search engines which language and region a page version is meant for — essential for bilingual sites like this one.

I

Indexability

SEO

Whether a search engine is able to store and serve your page in its results at all — a page can be crawlable but still blocked from indexing.

Internal Link

SEO

A link from one page to another page on the same website, helping both users and crawlers navigate and understand site structure.

K

Keyword

SEO

A word or phrase that describes what a page is about, and what someone might type into a search engine to find it.

Keyword Research

SEO

The process of finding and evaluating the terms your audience actually searches for, to guide what content to create.

Knowledge Graph

AI Search

A database of real-world entities (people, places, brands) and how they relate to each other, which search engines and AI models use to understand context beyond plain text.

L

Link Building

SEO

The ongoing practice of earning backlinks from other credible sites, still one of the strongest trust signals for both traditional and AI search.

LLM (Large Language Model)

AI Search

The type of AI model behind ChatGPT, Gemini, Claude, and similar tools — trained on massive amounts of text to understand and generate human-like language.

LLMO (LLM Optimization)

AI Search

Optimization work aimed specifically at how large language models process, remember, and recall information about a brand — the most technical layer of AI visibility.

Local SEO

SEO

Optimizing a business's online presence to appear in searches from a specific geographic area — critical for any brand serving customers in person.

Long-tail Keyword

SEO

A longer, more specific search phrase with lower search volume but higher intent — often exactly how people phrase questions to AI assistants.

M

Meta Description

SEO

A short HTML snippet summarizing a page's content, shown under the title in search results.

Mobile-First Indexing

SEO

Google's practice of using the mobile version of your site — not the desktop version — as the primary basis for indexing and ranking.

N

NAP (Name, Address, Phone)

SEO

The consistent core details of a business used across directories and citations — inconsistency here quietly undermines local search and AI trust alike.

NLU (Natural Language Understanding)

AI Search

A machine's ability to interpret human language — including intent, nuance, and tone — rather than just matching keywords.

O

On-page SEO

SEO

Everything you optimize directly on your own page — content, headings, structure — to help it rank and get understood correctly.

Off-page SEO

SEO

Everything done outside your own website — backlinks, mentions, reviews — that influences how search engines and AI perceive your credibility.

Organic Traffic

SEO

Visitors who arrive at your site from unpaid search results, as opposed to ads or direct/referral traffic.

P

Page Speed

SEO

How quickly a page loads for a visitor — a direct ranking factor, and increasingly relevant to whether AI crawlers can fully process a page before timing out.

Position (in an AI Answer)

AI Search

Where your brand appears relative to competitors within an AI-generated response — mentioned first, buried last, or left out entirely.

Prompt

AI Search

The question or instruction a person types into an AI assistant — the AI-era equivalent of a search query.

Prompt Engineering

AI Search

The practice of carefully crafting prompts to get more accurate, useful, or specific responses from an AI model.

R

RAG (Retrieval-Augmented Generation)

AI Search

The architecture many AI tools use to pull in real, current web content before generating an answer, rather than relying only on what the model memorized during training.

Robots.txt

SEO

A file that tells search engine and AI crawlers which parts of your site they're allowed — or not allowed — to access.

S

Schema Markup (Structured Data)

SEO

Code added to a page that explicitly labels its content for machines — for example marking a paragraph as an FAQ answer — making it far easier for both search engines and AI to extract and cite correctly.

Search Intent

SEO

The underlying reason behind a search — to learn something, find a specific site, compare options, or buy — which shapes what content should actually rank.

Semantic Search

AI Search

Search based on the meaning behind a query, not just matching exact words — the foundation of how modern AI-powered search actually works.

Sentiment (AI Search)

AI Search

Whether an AI's answer describes your brand positively, neutrally, or negatively — a signal that matters just as much as simply being mentioned.

SERP (Search Engine Results Page)

SEO

The page a search engine shows in response to a query — increasingly topped by an AI-generated summary before any traditional links appear.

Share of Voice

AI Search

How often your brand shows up in AI answers compared to your competitors for the same set of questions — the AI-era version of market visibility.

Sitemap

SEO

A file listing every page on your site you want indexed, helping search engines discover content they might otherwise miss.

T

Technical SEO

SEO

The behind-the-scenes work — site speed, crawlability, mobile-friendliness, structured data — that makes a site possible for search engines and AI to properly read.

Title Tag

SEO

The HTML element defining a page's title, shown as the clickable headline in search results and browser tabs.

V

Vector Database

AI Search

A database built to store and search embeddings, letting an AI system quickly find content that's conceptually similar to a query.

Voice Search

SEO

Searching by speaking rather than typing — queries tend to be longer and more conversational, closer to how people prompt AI assistants.

W

White Hat SEO

SEO

Optimization strategies that follow search engines' guidelines — the sustainable, reputation-safe approach, as opposed to black hat tactics.

Z

Zero-click Search

AI Search

A search where the person gets their answer directly on the results page (or from an AI) and never clicks through to a website at all.