Headings are an prominent feature of your page, email or document. They allow your audience to find important information more quickly and allow screen-reading devices—for users with visual ...

They form a page HTML semantic structure that can “ be used by user agents, for example, to construct a table of contents for a document automatically “.

Use the following structure: This is the basic structure of any HTML page. The first line is the Document Type Definition, which you can copy without worrying about the details.