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  1. <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 …

  2. 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 …

  3. Header | U.S. Web Design System (USWDS)

    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 …

  4. 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 …

  5. ModHeader - Modify HTTP headers

    ModHeader The browser extension to modify request headers response headers authorization header set-cookie header ModHeader is the most popular browser extension to modify HTTP …

  6. 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.

  7. HTML <header> Tag - W3docs

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

  8. Elements/header - HTML Wiki

    Nov 23, 2010 · A header element is intended to usually contain the section's heading (an h1–h6 element or an hgroup element), but this is not required. The header element can also be used …

  9. What is a header? Definition, purpose, and FAQs | B12

    A header is the top section of a website that usually appears on every page. It often includes your business logo, navigation menu, contact info, or call-to-action buttons.

  10. User-Agent header - HTTP | MDN - MDN Web Docs

    Oct 28, 2025 · The HTTP User-Agent request header is a characteristic string that lets servers and network peers identify the application, operating system, vendor, and/or version of the …