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Complete Reference

SEO Glossary

Master the language of search engine optimization. Our comprehensive glossary covers 310+ terms organized by topic, from foundational concepts to cutting-edge AI search terminology.

310+ Terms7 Categories

Essential SEO Terms

Start here if you're new to SEO

SEO
Search Engine Optimization - the practice of improving a website to increase its visibility in search engine results.
SERP
Search Engine Results Page - the page displayed by search engines in response to a user's query.
Keyword
A word or phrase that users type into search engines to find information, products, or services.
Ranking
The position of a webpage in search engine results for a specific query.
Indexing
The process by which search engines store and organize web content in their database.
Algorithm
A complex system used by search engines to retrieve and rank content for user queries.

Browse by Topic

Explore terms organized by SEO specialty

45 terms

On-Page SEO

Terms related to optimizing individual web pages including content, HTML elements, and user experience factors.

Title TagMeta DescriptionHeader TagsKeyword Density+41 more
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50 terms

Off-Page SEO & Link Building

Terminology for backlinks, link building strategies, domain authority, and external ranking factors.

BacklinkDomain AuthorityLink EquityAnchor Text+46 more
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55 terms

Technical SEO

Technical terms for crawling, indexing, site architecture, performance, and search engine communication.

Robots.txtXML SitemapCanonical URLCore Web Vitals+51 more
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40 terms

AI & LLM SEO

Modern terminology for AI-powered search, large language models, generative AI, and future search optimization.

SGELLMAI OverviewRAG+36 more
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35 terms

Local SEO

Terms specific to local search optimization, Google Business Profile, citations, and geographic targeting.

NAPGoogle Business ProfileLocal PackCitation+31 more
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40 terms

Content SEO

Terminology for content strategy, keyword research, content optimization, and topical authority building.

Search IntentContent GapTopical AuthorityE-E-A-T+36 more
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45 terms

SEO Analytics & Metrics

Terms for measuring SEO performance, tracking tools, KPIs, and data analysis methodologies.

Organic TrafficCTRBounce RateConversion Rate+41 more
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