SEO Library
Fundamentals — SEO terms explained
30 SEO and marketing concepts explained in plain English — what each one means, why it matters, how to apply it and the mistakes to avoid.
A
Fundamentals
Above the Fold
"Above the fold" is the part of a web page visible without scrolling. It shapes first impressions, conversions and loading priorities such…
Fundamentals
Above the Fold
"Above the fold" is the part of a web page visible without scrolling. It shapes first impressions, conversions and loading priorities such…
Fundamentals
Algorithm Update
An algorithm update is a change to how a search engine ranks results. Google makes changes constantly and announces larger "core" and…
Fundamentals
Algorithm Update
An algorithm update is a change to how a search engine ranks results. Google makes changes constantly and announces larger "core" and…
E
Fundamentals
Entity (Entity SEO)
In search, an entity is a distinct, well-defined thing — a person, company, place, product or concept — that Google can recognise…
Fundamentals
Entity (Entity SEO)
In search, an entity is a distinct, well-defined thing — a person, company, place, product or concept — that Google can recognise…
F
K
Fundamentals
Keyword Difficulty
Keyword difficulty (KD) is a score from SEO tools estimating how hard it is to rank in the top 10 for a…
Fundamentals
Knowledge Graph
Google's Knowledge Graph is a huge database of entities — people, places, organisations, things — and the facts connecting them. It powers…
Fundamentals
Knowledge Graph
Google's Knowledge Graph is a huge database of entities — people, places, organisations, things — and the facts connecting them. It powers…
M
Fundamentals
Manual Action
A manual action is a penalty applied by a human reviewer at Google when a site violates Google's spam policies. Affected pages…
Fundamentals
Manual Action
A manual action is a penalty applied by a human reviewer at Google when a site violates Google's spam policies. Affected pages…
P
Fundamentals
PageRank
PageRank is Google's original algorithm, created by Larry Page and Sergey Brin, that measures a page's importance based on the quantity and…
Fundamentals
People Also Ask (PAA)
People Also Ask is a Google search feature showing expandable related questions, each with a short answer pulled from a web page.…
Q
Fundamentals
Query (Search Query)
A search query is the exact word or phrase a person types or speaks into a search engine. A keyword is the…
Fundamentals
Query Deserves Freshness (QDF)
Query Deserves Freshness describes how Google favours recent content for searches where up-to-date information matters — breaking news, trending topics, recurring events…
S
Fundamentals
Search Intent
Search intent is the goal behind a search query — what the person actually wants to find or do. Matching intent is…
Fundamentals
Search Volume
Search volume is the estimated average number of times a keyword is searched per month in a given location. It indicates demand,…
Fundamentals
SERP (Search Engine Results Page)
A SERP — search engine results page — is the page a search engine shows in response to a query, combining organic…
Fundamentals
SERP Features
SERP features are any search result elements beyond the standard blue link — such as featured snippets, AI Overviews, People Also Ask,…
Fundamentals
Sitelinks
Sitelinks are additional links to other pages of a website shown beneath the main result, usually for branded searches. Google generates them…
Fundamentals
Sitelinks
Sitelinks are additional links to other pages of a website shown beneath the main result, usually for branded searches. Google generates them…
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