SEO terms, explained simply
Plain-English definitions for the terms that matter most - from AI search visibility to schema markup.
AI Search Visibility
Whether AI assistants like ChatGPT, Claude, Gemini and Perplexity mention or recommend your brand.
SEO Audit
A systematic review of a website's technical and on-page SEO health.
Schema Markup
Structured data added to HTML that helps search engines and AI understand what a page is about.
Core Web Vitals
Google's three user experience metrics: LCP, INP, and CLS.
Canonical URL
An HTML tag that tells search engines which version of a page is the definitive original.
Meta Description
The short summary shown under a page title in Google search results.
robots.txt
A file that tells search engine crawlers which pages they are allowed to visit.
Title Tag
The HTML title element that defines the clickable headline shown in search results.
Spam Score
Moz's 1-100% metric estimating how likely a site is to be penalized by Google.