SEO glossary

SEO glossary: 250+ SEO and marketing terms in plain English

From 301 redirects to YouTube marketing: short definitions of the SEO, digital marketing and advertising terms you'll meet, with links to our guides.

SEO meaning: what does SEO stand for?

SEO stands for search engine optimization: improving a website so it shows up higher in unpaid search results on Google, Bing and other search engines. It covers the words on your pages, how your site is built, and the links that point to it. Read the full definition of SEO, or start with the terms below.

More core terms: XML Sitemap, Canonical URL, Schema Markup, Anchor Text, Crawl Budget, CTR (Click Through Rate), Bounce Rate, Search Engine Marketing (SEM), Featured Snippet, Alt Text.

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