In general terms, metadata is basic information that describes other types of data. Even though it’s significance in the search engine optimization space has changed over the years, metadata still proves to be useful as a way of learning more about a particular webpage, image, or other piece of content. When it comes to files, some of the common metadata categories are author, file size, date created, and date modified. Here, we’ll briefly describe the four main website meta tags and their impact on search engine rankings.