06

Glossary

Plain-English definitions of the SEO and AI-search terms that matter.

1
What is a backlink?
A vote of confidence from one site to another, and why quality beats quantity.
2
What is a featured snippet?
The boxed “position zero” answer Google lifts from a page.
3
What is SEO?
Improving a site to rank higher and earn more relevant organic traffic.
4
What is domain authority?
A 0–100 estimate of a whole site's ranking strength (and where it comes from).
5
What is a SERP?
The results page itself, and why its features matter as much as your rank.
6
What is anchor text?
The clickable words of a link, and how to use them without over-optimising.
7
What is schema markup?
Structured data that tells machines what your content actually means.
8
What is indexing?
Getting stored in the search database, the prerequisite to ranking at all.
9
What is crawl budget?
How much of your site engines will crawl, and when it actually matters.
10
What is a sitemap?
The roadmap file that helps engines discover your pages.
11
What is robots.txt?
The file that controls which crawlers, including AI bots, can read your site.
12
What is a canonical URL?
The “master copy” you nominate when duplicate URLs exist.
13
What is search volume?
How many people search a term each month, and why bigger isn't always better.
14
What is keyword difficulty?
How hard a term is to rank for, and how to find winnable ones.
15
What is search intent?
The real goal behind a query, and why matching it beats keyword-matching.
16
What is a long-tail keyword?
Specific, high-intent phrases that are easier to win and convert better.
17
What is zero-click search?
When the answer is on the SERP itself, and how to still win from it.
18
What is E-E-A-T?
Google's Experience-Expertise-Authority-Trust quality lens, and how to prove it.
19
What is a nofollow link?
A link that drives traffic but passes no ranking authority, and when to use it.
20
What is a redirect?
Sending users and engines from one URL to another, 301 vs 302, done right.
21
What is alt text?
The written description that makes images accessible and searchable.
22
What is keyword cannibalization?
When your own pages compete for the same term, and how to consolidate.
23
What is a content cluster?
A pillar page plus interlinked subtopic articles that prove topical depth.
24
What is an LLM citation?
When ChatGPT, Perplexity or Gemini names your site, the new #1 ranking.