Tried Codecademy Intro to HTML Course ( Chapter - 1) HTML stands for HyperText Markup Language and is used to create the structure and content of a webpage. Most HTML elements contain opening and closing tags with raw text or other HTML tags between them. HTML elements can be nested inside other elements. The enclosed element is the child of the enclosing parent element. Any visible content should be placed within the opening and closing tags. Headings and sub-headings,