This document provides an overview of search engine optimization (SEO) and related topics. It defines SEO as improving website visibility and bringing targeted audiences to a website through specific keywords. SEO involves on-page optimization of elements like titles, descriptions and keywords, as well as off-page optimization through link building. Effective SEO helps increase website rankings and traffic by ensuring sites are well-structured and contain relevant keyword-rich content. Tools like Google Search Console and keyword research tools can help optimize SEO efforts and track their effectiveness.