Glossary

SEO terms, explained simply.

The words you will meet in audits, reports and guides, in one or two plain sentences each.

AI Overview
A summary written by AI at the top of some Google results, often with links to the sources it used.
Alt text
A short description of an image, read aloud by screen readers and used by search engines to understand the image.
Anchor text
The clickable words of a link. It hints at what the linked page is about.
Authority
A score estimating how strong a website or page is, mostly from the links pointing to it.
Canonical tag
A tag that tells search engines which address is the main version of a page when several show the same content.
Citation
A mention of your business name, address and phone number on another website, such as a directory.
Core Web Vitals
Measurements of loading speed, responsiveness and visual stability that reflect how a page feels to use.
Crawl
The process of a program visiting pages and following links to discover and read a website.
Crawl budget
How many pages a search engine is willing to read on your website in a given period.
CTR (click through rate)
The share of people who see your result and click it.
Disavow file
A list you can give Google of links you want it to ignore, usually spammy ones.
Domain
The main address of a website, such as caqa.com.au.
Hreflang
A tag that tells search engines which language and country each version of a page is for.
Indexing
Adding a page to the database of a search engine so it can appear in results.
Intent
What the searcher is trying to do: learn something, compare options, buy, or reach a particular website.
Keyword difficulty
An estimate of how hard it would be to reach the top results for a keyword.
Keyword gap
Keywords your competitors rank for that you do not, or where they rank higher.
llms.txt
A plain text file at the root of a website that summarises the site and links to key pages for AI tools.
Local pack
The map and short list of businesses shown for searches with local intent.
Meta description
A short summary of a page that search engines often show under the title.
Mixed content
Insecure http files loaded on a secure https page, which browsers may block.
NAP
Name, address and phone number. Keeping them consistent everywhere helps local rankings.
Noindex
An instruction telling search engines not to include a page in their results.
Orphan page
A page with no internal links pointing to it.
Redirect
An instruction that sends visitors and search engines from one address to another.
Robots.txt
A file that tells crawlers which parts of a website they may visit.
Schema (structured data)
Code that describes the content of a page in a standard format search engines understand.
Search Console
A free Google service showing how your website performs in Google search.
SERP
Search engine results page: the page of results for a search.
Share of voice
Your estimated share of clicks for a set of keywords, compared with competitors.
Sitemap
A file listing the pages of a website so search engines can find them.
Title tag
The page title shown in browser tabs and usually as the headline in search results.
Visibility
A measure of how often your website appears near the top for the keywords you track.

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