SEO by Industry
How SEO plays out in specific niches.
SeoWiki
Short, clear explanations of everything SEO.
Edited by Lucía Marín
From Valencia, Spain, living in Austin, Texas, USA. About Lucía →
Browse by topic
SEO Tools
Encyclopedia entries for tools people search for.
Technical SEO
Crawl, index, speed, structured data, site architecture.
Fundamentals
Core SEO ideas — what search engines are optimizing for.
Local SEO
Maps, profiles, and visibility for local businesses.
Content SEO
How content earns and keeps organic visibility.
Analytics & Measurement
Measuring organic performance without the vanity metrics.
SEO Careers
Roles, skills, and paths into search work.
Link Building
Links, mentions, and off-site authority — explained clearly.
On-Page SEO
Titles, content, HTML signals on the page itself.
Ecommerce SEO
Product, category, and storefront search topics.
International SEO
Languages, countries, hreflang, and global sites.
Keywords & Research
Finding, grouping, and prioritizing search demand.
SEO & Paid Search
Where organic and paid search meet — and differ.
AI & SEO
How AI changes research, content, and search results.
SERP Features
Featured snippets, packs, and other result types.