A great part of the search and consumption of digital information today depends on search engines. Many users use it as the first step or access point to begin their information inquiry. For this reason, optimization and, at the same time, visibility in these search engines, becomes a matter of priority for developers or producers of information resources. Search engine optimization (SEO) refers to the process by which a web page obtains and maintains notable positions on the pages of natural search engine results, also called organic or algorithmic results. This work comprises the importance of this to achieve a better visualization of the information generated in medical journals and in the documentation world in general