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> - …

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 …

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.

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, …

Oct 9, 2025 · Admins can learn about the header fields added to incoming messages by the built-in security features for all cloud mailboxes and by Microsoft Defender for Office 365. These header …

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.

Dec 30, 2025 · In this new guide, you’ll learn exactly how to use H1 to H6 tags to drive higher search engine rankings, even if you’re new to SEO header tags, or, gotten tricked (by Google) into thinking …

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 …

The <header> tag defines a header of a page or a section. Tag description, attributes and using examples.

Use the basic header if you have few enough sections in your main navigation to fit comfortably next to your logo; this decision will depend on the length of your text and whether you include a search bar.