This document provides an overview of an SEO training course. It discusses what SEO is, the benefits of SEO, the different types of SEO (on-page, off-page, technical), how SEO works by optimizing websites to gain organic traffic from search engines, and recommended SEO tools. It also explains the three key steps in how search engines work: crawling websites to discover content, indexing content to file it in databases, and ranking content based on over 200 signals to determine search results. The document concludes with SEO strategies and best practices.