Glossary

The SEO, AEO & GEO glossary.

Every term you'll meet in modern search, explained in one line. Bookmark it.

A
AEO
AI Search

Answer Engine Optimization — optimizing content for direct-answer surfaces such as featured snippets, People Also Ask, and voice assistants.

AI Overview
AI Search

Google's generative summary that appears above the traditional 10 blue links, synthesized from multiple sources.

AI Visibility
AI Search

The share of AI-engine answers that mention or link to your brand across ChatGPT, Gemini, Claude, and Perplexity.

Anchor Text
Backlinks

The clickable text of a hyperlink. Google uses it to understand the topic of the linked page.

B
Backlink
Backlinks

A hyperlink from one website to another. Historically the strongest ranking signal in Google's algorithm.

Bounce Rate
Analytics

The percentage of visitors who leave after viewing only one page. In GA4, replaced by 'engagement rate'.

C
Canonical Tag
Technical

An HTML tag (rel="canonical") that tells search engines which version of a duplicate page is the master copy.

Citation
Local SEO

Any online mention of your business name, address, and phone number (NAP), whether or not it links to your site.

CLS
Core Web Vitals

Cumulative Layout Shift — a measure of how much visible content moves unexpectedly during page load.

Content Gap
Content

A topic your competitors rank for but you don't. Filling gaps is a fast path to traffic.

Core Web Vitals
Core Web Vitals

Google's user-experience metrics: LCP (loading), INP (interactivity), and CLS (visual stability).

Crawl Budget
Technical

The number of URLs a search engine bot will crawl on your site in a given period.

CTR
Analytics

Click-Through Rate — clicks divided by impressions. A key indicator of SERP-title effectiveness.

D
DA
Backlinks

Domain Authority — Moz's 0–100 score predicting how likely a domain is to rank.

Disavow
Backlinks

A Google Search Console file that tells Google to ignore specific backlinks pointing to your site.

E
E-E-A-T
Content

Experience, Expertise, Authoritativeness, Trustworthiness — Google's quality guideline framework.

Entity
AI Search

A person, place, thing, or concept that search and AI engines understand as a distinct node in their knowledge graph.

F
Featured Snippet
SERP Features

A boxed answer at the top of Google's results, extracted from a ranking page.

G
GBP
Local SEO

Google Business Profile — the free business listing that powers Google Maps and the local pack.

GEO
AI Search

Generative Engine Optimization — structuring content so generative AI engines (ChatGPT, Gemini, Perplexity) cite it.

GSC
Analytics

Google Search Console — Google's free tool for monitoring your site's presence in search results.

H
Hreflang
Technical

An HTML attribute that tells search engines which language and region a page targets.

I
Impression
Analytics

Every time a page URL appears in search results, counted once per search.

INP
Core Web Vitals

Interaction to Next Paint — measures the latency of the slowest interaction a user makes on a page.

Intent
Keyword Research

The purpose behind a search query: informational, navigational, commercial, or transactional.

Internal Link
Technical

A hyperlink from one page on your site to another. Helps distribute PageRank and define site architecture.

K
Keyword Difficulty
Keyword Research

A 0–100 estimate of how hard it is to rank on page 1 for a given keyword.

L
LCP
Core Web Vitals

Largest Contentful Paint — how long it takes for the biggest above-the-fold element to render.

Long-tail Keyword
Keyword Research

A specific, lower-volume search query (3+ words) that typically converts better than head terms.

M
Meta Description
Technical

The HTML tag that provides a summary of a page — often used by Google as the SERP snippet.

N
NAP
Local SEO

Name, Address, Phone — the three data points that must be consistent across all local citations.

Nofollow
Backlinks

A link attribute that tells search engines not to pass PageRank through the link.

P
PA
Backlinks

Page Authority — Moz's 0–100 score predicting how likely a specific page is to rank.

PageRank
Backlinks

Google's original link-analysis algorithm. Every link is a weighted vote.

People Also Ask
SERP Features

A SERP block of related questions that expand to reveal snippet answers.

Prompt Monitoring
AI Search

Automated daily checks of how AI engines describe your brand, category, or competitors.

R
Rich Result
SERP Features

A search result enhanced with visual elements (stars, images, prices) via structured data.

Robots.txt
Technical

A file at the root of your site that tells crawlers which URLs they can and cannot access.

S
Schema Markup
Technical

Structured data (JSON-LD) that helps search engines understand page content.

SERP
SERP Features

Search Engine Results Page — the page Google returns for a query.

Sitemap
Technical

An XML file listing your site's URLs to help search engines discover and crawl them.

Spam Score
Backlinks

Moz's 0–17 score estimating how spammy a domain looks based on 27 signals.

T
Topic Cluster
Content

A pillar page linked to a set of related supporting pages — an architecture that both Google and LLMs reward.

U
URL Slug
Technical

The human-readable part of a URL after the domain — e.g. /blog/aeo-vs-seo.

Z
Zero-click Search
SERP Features

A search that ends without a click, because the SERP itself answered the query.