SEO & GEO Glossary

Plain-English definitions of every SEO and AI-search term.

LLM SEO

LLM SEO is optimising content so large language models like ChatGPT surface and cite your brand in their answers.

AI Overviews

AI Overviews are Google's AI-generated answer summaries shown at the top of some results, with cited sources.

Featured Snippet

A featured snippet is a short answer Google pulls from a page and shows at the top of results.

SERP Features

SERP features are the non-standard results on a search page, like featured snippets, People Also Ask and AI Overviews.

Pillar Page

A pillar page is a broad, authoritative page on a core topic that links out to deeper supporting content.

Topic Cluster

A topic cluster is a pillar page plus supporting articles that interlink to cover one subject in depth.

Topical Authority

Topical authority is the depth and credibility a site builds by covering a subject comprehensively.

Referring Domains

Referring domains are the unique websites that link to your site, a stronger authority signal than raw backlink count.

Domain Authority

Domain Authority is a third-party score estimating how likely a site is to rank, based mainly on its backlink profile.

E-E-A-T

E-E-A-T stands for Experience, Expertise, Authoritativeness and Trust, the qualities Google's raters use to judge content.

Anchor Text

Anchor text is the visible, clickable words of a link, which give search engines context about the linked page.

Internal Linking

Internal linking is linking between pages on your own site to pass authority and help users and crawlers navigate.

Meta Description

A meta description is the short summary of a page that search engines may show under the title in results.

Title Tag

A title tag is the HTML element that sets a page's title, shown as the clickable headline in search results.

Robots.txt

Robots.txt is a file that tells search engine crawlers which parts of your site they may or may not crawl.

Crawl Budget

Crawl budget is the number of pages a search engine will crawl on your site in a given period.

XML Sitemap

An XML sitemap is a file listing your important URLs to help search engines discover and crawl them.

Hreflang

Hreflang tags tell search engines which language and region a page targets, so the right version shows to the right users.

Canonical Tag

A canonical tag tells search engines which version of a duplicate or similar page is the primary one to index.

Schema Markup

Schema markup is structured-data code that tells search engines and AI what your content means, helping you win rich results and citations.

Backlinks

Backlinks are links from other websites to yours, a core signal of authority and trust in SEO.

Search Intent

Search intent is the goal behind a query: informational, commercial, transactional or navigational.

Core Web Vitals

Core Web Vitals are Google's metrics for loading, interactivity and visual stability: LCP, INP and CLS.

AEO

Answer Engine Optimization (AEO) is optimising content to be the direct answer in AI results and featured snippets.

GEO

Generative Engine Optimization (GEO) is the practice of optimising content so AI engines cite your brand in their answers.

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