W3Schools offers free online tutorials, references and exercises in all the major languages of the web. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, …

The <header> HTML element represents introductory content, typically a group of introductory or navigational aids. It may contain some heading elements but also a logo, a search form, an …

Change or delete the header or footer from the first page Double-click the first page header or footer area. Check Different First Page to see if it's selected. If not: Select Different First Page. …

When to use a header component Most websites require header navigation. Most websites require some form of navigation to help users find the information they need. While a …

The meaning of HEADER is one that removes heads; especially : a grain-harvesting machine that cuts off the grain heads and elevates them to a wagon. How to use header in a sentence.

Nov 2, 2025 · The multifaceted definition of a header in technology, covering its roles in data transmission, document design, web page structure, file information, and more.

Header (computing) In information technology, header is supplemental data placed at the beginning of a block of data being stored or transmitted. In data transmission, the data …

Jul 28, 2025 · The <header> tag is a semantic HTML element that is used to define the introductory or navigational content of a webpage or a section. Typically, a header contains …

Nov 23, 2010 · This page explains the "header" HTML element, its purpose, and usage in structuring web content effectively.

Learn how to use the HTML <header> tag to organize navigation and intro content, and improve your site’s semantic structure.