This article reviews the history of search engine optimization (SEO). The history of the Internet is described, as well as the development and growth of search engines. Referenced search engines include Archie (the first search engine), Gopher (the first search engine to use hypertext paradigm), Mosaic (the first graphical interface browser), and Wandex (the first search engine to crawl the web). Also mentioned are SEO pioneers Greg Boser, Christine Churchill, John Audette, Derrick Wheeler, Marshall Simmonds, and Danny Sullivan.