SEO Dictionary
The Complete SEO, AI SEO, AEO & GEO Dictionary
Search marketing now includes traditional SEO, local visibility, answer engines and generative search. This dictionary explains the essential terminology in plain English. Every entry includes a meaning, a practical use and an example, so readers can understand both the concept and how it applies to real work.
- Plain-English meanings
- Practical uses
- Clear examples
Alphabetical Dictionary
Search by term or jump directly to a letter. Every definition remains visible and includes a practical application and example.
3
301 Redirect
A permanent server-side redirect that sends users and crawlers from an old URL to a new one.
Use it when a page has permanently moved so most link equity and traffic reach the replacement.
/old-seo-guide redirects to /seo-guide with HTTP status 301.
A
AI Overview
Google’s AI-generated search summary that may combine information and links from multiple web sources.
Make pages indexable, specific, well sourced, and easy to navigate; no special AI schema is required.
A comparison guide may be cited as a supporting source in an AI Overview.
AI SEO
An industry term for improving visibility in AI-assisted search while maintaining sound SEO fundamentals.
Strengthen crawlability, entities, evidence, content clarity, and brand consistency across the web.
Add author credentials, original data, and concise answer blocks to a research article.
Alt Text
A written description of an image used by screen readers and, when relevant, search systems.
Describe the image’s purpose accurately; include a keyword only when it fits naturally.
“SEO specialist reviewing a Google Search Console performance report.”
Anchor Text
The visible, clickable words in a hyperlink.
Use descriptive wording that tells readers and crawlers what the destination page covers.
Link “local SEO services” to the local SEO service page.
Answer Engine Optimization (AEO)
The practice of formatting trustworthy content so answer systems can understand and quote it directly.
Lead with a concise answer, then add evidence, context, steps, and clear headings.
Answer “How long does SEO take?” in two sentences before explaining the variables.
B
Backlink
A link to your website from another website.
Earn relevant editorial links through useful resources, expertise, partnerships, and digital PR.
A trade association links to your original industry benchmark report.
C
Canonical Tag
An HTML link element that identifies the preferred URL among duplicate or very similar pages.
Use a self-referencing canonical on indexable pages and point duplicates to the preferred version.
A tracking-parameter URL canonicals to the clean product URL.
Citation
A mention of a brand, business, source, or document, with or without a clickable link.
Keep business facts consistent and make claims traceable to authoritative sources.
A local directory lists the same company name, address, and phone number as the website.
Click Depth
The number of internal clicks needed to reach a page from an important starting point.
Keep valuable pages close to the main navigation or to relevant high-level pages.
An important service page is reachable within two clicks of the homepage.
Click-Through Rate (CTR)
The percentage of impressions that produce a click.
Improve relevance and appeal in titles, descriptions, rich results, and calls to action.
200 clicks from 5,000 impressions equals a 4% CTR.
Content Cluster
A group of related pages connected to a broad pillar page through purposeful internal links.
Use clusters to cover a topic comprehensively and guide visitors to progressively deeper information.
An SEO pillar links to guides on technical SEO, local SEO, backlinks, and content.
Core Web Vitals
Google page-experience metrics focused on loading, interaction responsiveness, and visual stability.
Monitor LCP, INP, and CLS using field data and fix templates or assets causing poor experiences.
Compress the hero image to improve Largest Contentful Paint.
Crawl Budget
The amount of crawling a search engine is willing and able to perform on a site over time.
Prioritize it mainly on large sites by controlling duplicate URLs, traps, errors, and server performance.
Block endless faceted URL combinations that create no unique search value.
Crawler
Automated software that discovers and requests web pages and other resources.
Make important pages reachable through crawlable links and provide stable server responses.
Googlebot follows an internal link from the homepage to a service page.
E
E-E-A-T
Experience, Expertise, Authoritativeness, and Trust, a framework used to assess content quality signals.
Show first-hand knowledge, qualified authorship, transparent sourcing, accurate claims, and accountable ownership.
A tax guide names a credentialed reviewer and cites current government guidance.
Entity
A distinct person, place, organization, product, or concept that systems can identify and connect to attributes.
Use consistent names, factual descriptions, structured data, and relevant relationships.
Connect the company, founder, service area, and official profiles consistently.
F
Featured Snippet
A highlighted answer extracted from a webpage and shown prominently in search results.
Place a direct, complete answer near a relevant question and support it with useful detail.
A 45-word definition appears above standard organic results.
G
Generative Engine Optimization (GEO)
The practice of improving the chance that generative search and AI answer systems will understand, select, and cite a source.
Publish original, verifiable, entity-rich content with clear passages and strong conventional SEO.
A statistics page defines its methodology and cites the underlying dataset.
Google Business Profile (GBP)
A free Google listing that represents an eligible local business in Search and Maps.
Maintain accurate categories, services, hours, photos, reviews, and location details.
A carpet cleaner updates holiday hours and adds recent job photos.
H
Hreflang
An annotation that connects alternate language or regional versions of equivalent pages.
Each version should reference itself and all alternates with valid, reciprocal language codes.
English, Spanish, and French pages use hreflang values en, es, and fr.
I
Indexing
The process by which a search engine analyzes eligible content and may add it to its searchable index.
Allow crawling, remove accidental noindex directives, use canonical signals, and provide useful unique content.
Search Console reports that a submitted service page is indexed.
Internal Link
A hyperlink from one page to another page on the same website.
Use it to support discovery, navigation, context, and distribution of internal authority.
A blog about air ducts links to the air duct cleaning service page.
J
JSON-LD
A JavaScript-based format commonly used to add structured data without changing visible page text.
Add valid properties that match the page’s visible content and supported schema type.
Insert LocalBusiness JSON-LD with the same phone number shown on the contact page.
K
Keyword
A word or phrase used to represent the subject and search demand a page intends to satisfy.
Choose keywords by intent and relevance, then write naturally around the topic and related questions.
“carpet cleaning in Oxnard, CA” is a local commercial keyword.
Knowledge Graph
A structured network of entities, attributes, and relationships used to understand real-world information.
Make entity facts consistent and corroborated across your site and reputable external sources.
A company’s official site and profiles consistently identify its founder and location.
L
Large Language Model (LLM)
An AI model trained to process and generate language based on patterns learned from large datasets.
Write precise, well-structured, evidence-backed content that can be retrieved and interpreted correctly.
An assistant summarizes a comparison page and links to it as a source.
llms.txt
A proposed, non-standard text file intended to help AI systems locate selected website resources.
Treat it as optional documentation, not a substitute for crawling, indexing, sitemaps, or internal links.
/llms.txt lists key documentation URLs, while the same pages remain normally crawlable.
Local SEO
The practice of improving visibility for searches connected to a geographic area or nearby business.
Optimize the website, Google Business Profile, reviews, citations, and locally relevant service content.
A plumber targets “emergency plumber in Bristol” and maintains accurate local listings.
Long-Tail Keyword
A specific, usually lower-volume query that expresses a narrow need or detailed intent.
Use it for focused pages or sections that answer a real, distinct question.
“How often should pet owners professionally clean carpets?”
M
Meta Description
A short HTML summary that search engines may use beneath a page title in results.
Write a unique, accurate benefit-focused description that supports clicks without keyword stuffing.
“Understand 50 SEO, AEO and GEO terms with clear meanings, uses and practical examples.”
Meta Title
The HTML title element that names a page and is often used as its search-result headline.
Keep it specific, readable, distinct, and aligned with the page’s primary topic.
“SEO, AEO & GEO Dictionary: 50 Terms Explained.”
N
NAP
The business Name, Address, and Phone number used across a local company’s online presence.
Keep the core details accurate and consistent on the website, business profiles, and major directories.
The footer and Google Business Profile show the same local phone number.
Natural Language Processing (NLP)
Technology that helps computers analyze, interpret, and generate human language.
Write clearly, disambiguate entities, and use natural terminology instead of repetitive keyword patterns.
A page explains “floor sanding” and related concepts such as refinishing and sealing.
Noindex
A robots directive requesting that a search engine not include a page in its index.
Use it for pages that should remain accessible but should not appear in search, then allow crawling so the directive can be seen.
Apply noindex to an internal search-results page.
O
On-Page SEO
Optimizations made within a page’s content and HTML to improve relevance, usability, and search presentation.
Align the title, headings, copy, links, images, and metadata with the visitor’s intent.
A service page uses one clear H1, useful FAQs, and relevant internal links.
Organic Traffic
Unpaid visits that arrive through search-engine results.
Measure landing pages, queries, conversions, and quality, not visits alone.
A guide receives 800 search visits and generates 24 consultation enquiries.
Q
Query Fan-Out
A technique in which an AI search system issues multiple related searches to build a broader response.
Cover important subtopics clearly and create useful supporting pages connected through internal links.
A complex travel question triggers searches for weather, transport, costs, and neighborhoods.
R
Retrieval-Augmented Generation (RAG)
A method that retrieves external information and supplies it to a generative model before it answers.
Make source passages accessible, specific, current, and easy to attribute.
A support assistant retrieves a current policy page before composing its response.
Robots.txt
A site-level file that controls which URL paths compliant crawlers may request.
Use it to manage crawling, not to remove an already indexed page from search.
Disallow crawling of parameter-heavy internal search URLs.
S
Schema Markup
Machine-readable vocabulary, commonly from Schema.org, that describes page entities and content.
Use the most specific valid type and ensure markup agrees with visible information.
Add BreadcrumbList markup to a visible breadcrumb trail.
Search Intent
The underlying goal a person wants to accomplish with a query.
Match the content format and depth to informational, navigational, commercial, local, or transactional needs.
“SEO pricing” needs clear cost guidance, not only a general definition of SEO.
Semantic SEO
An approach that builds meaning through entities, relationships, context, and comprehensive topic coverage.
Explain related concepts naturally and connect them with descriptive internal links.
A carpet guide covers fibers, soil types, cleaning methods, drying, and maintenance.
SERP
The search engine results page shown after a user submits a query.
Review the formats, competitors, features, and intent visible on the results page before creating content.
The SERP includes local results, an AI Overview, videos, and organic listings.
Sitemap
A file, usually XML, that lists canonical URLs or specialized resources a site wants search engines to discover.
Include indexable canonical URLs and keep last-modified dates accurate when used.
/sitemap.xml lists the website’s service and location pages.
Structured Data
Standardized machine-readable information that describes entities and page content.
Use supported properties accurately and validate the markup; eligibility does not guarantee a rich result.
Product data identifies price, availability, brand, and reviews shown on the page.
T
Topical Authority
A practical SEO concept describing a site’s demonstrated depth, consistency, and credibility on a subject.
Build useful coverage around a focused area and support it with expertise, evidence, and internal links.
A flooring site publishes connected expert guides on sanding, finishes, repairs, and maintenance.
U
URL Slug
The readable path segment that identifies a specific page.
Keep it short, descriptive, lowercase, and stable.
/seo-dictionary is clearer than /page?id=9472.
V
Voice Search Optimization
The practice of making content easy to retrieve for conversational and spoken queries.
Use natural questions, concise answers, local context, and mobile-friendly pages.
Answer “Who offers same-day carpet cleaning near me?” with eligibility and service-area details.
Z
Zero-Click Search
A search in which the user obtains enough information on the results page and does not visit another site.
Track visibility, calls, directions, branded demand, and conversions alongside website clicks.
A user reads business hours in a local result without opening the website.
Turn search terminology into stronger visibility
BMA connects technical SEO, content strategy, AEO, and GEO into practical growth programs.