This document provides an overview of search engine optimization (SEO). It highlights that SEO is needed to raise website visibility and traffic. It discusses how search engines work and outlines the SEO life cycle, including analyzing site structure and keywords, optimizing on-page elements like titles and content, and generating off-page backlinks. Key metrics around search usage are presented. The document provides guidance on conducting competitor analyses and optimizing technical elements, content, and links to improve search rankings.