The document provides an overview of search engine optimization (SEO) presented at a meetup. It defines SEO as optimizing websites to rank highly in search engine results. Key points covered include the importance of SEO given that 97% of searchers don't look past the first page of results, common SEO myths, and on-page and off-page optimization techniques like keyword research and link building. The presenter emphasizes that while some see SEO as expensive, the costs of being invisible to 97% of searchers is even greater.