. 3. used to link to style sheets), Defines a scalar measurement within a known range (a gauge), Defines an alternate content for users that do not support Unordered list; lets you have a list of elements without numbers or alphabetical bulleted list. We provide informative and helpful articles about the outlook for IT jobs throughout the U.S. The cite tag defines the title of a work, e.g., a book, a song, a movie, a TV show, a painting, a sculpture, etc. h1 defines the most important heading, while h6 defines the least important. This tag is usually used in mathematics or citations. You can have several footer elements in one document. But opting out of some of these cookies may have an effect on your browsing experience. A source and an alt are mandatory attributes of this tag. The footer tag defines a footer for a document or section. The del tag defines text that has been deleted from a document.