A family of standard web feed formats used to publish frequently updated information like blog entries, news headlines, audio and video.
Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.
The http-equiv attribute provides an HTTP header for the information/value of the content attribute. The http-equiv attribute can be used to simulate an HTTP response header.
A scheme.org entity that represents the most generic kind of creative work, including books, movies, photographs, software programs, etc.