HTML header Tag - W3Schools
Definition and Usage The <header> element represents a container for introductory content or a set of navigational links. A <header> element typically contains: one or more heading elements (<h1> - …
<header>: The Header element - HTML | MDN - MDN Web Docs
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 author …
What Is a Header? - Computer Hope
Nov 2, 2025 · A header is text at the top of a page in an electronic document or hard copy. For example, in Microsoft Word, a header could be created in a document to display the page number of each page.
Header (computing) - Wikipedia
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 following the header is sometimes called the …
HTML header Tag - GeeksforGeeks
Jul 28, 2025 · Keep it clear: The <header> tag should contain introductory content. It’s not meant to hold all content; its purpose is to help introduce or navigate the content.
HTML <header> Tag - W3docs
The <header> tag defines a header of a page or a section. Tag description, attributes and using examples.
HTML head Elements - W3Schools
Learn about HTML head elements, their purpose, and how to use them effectively in your web pages on W3Schools.
HTTP headers - MDN Web Docs
Dec 21, 2025 · HTTP headers let the client and the server pass additional information with a message in a request or response. In HTTP/1.X, a header is a case-insensitive name followed by a colon, then …
<head>: The Document Metadata (Header) element - MDN
Jul 9, 2025 · There can be only one <head> element in an HTML document. Note: <head> primarily holds information for machine processing, not human-readability. For human-visible information, like …
HTML Table Headers - W3Schools
HTML Table Headers Table headers are defined with th elements. Each th element represents a table cell.