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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 Definition & Meaning - Merriam-Webster

    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.

  4. Email Header Analyzer, RFC822 Parser - MxToolbox

    ABOUT EMAIL HEADERS This tool will make email headers human readable by parsing them according to RFC 822. Email headers are present on every email you receive via the Internet …

  5. Header - Wikipedia

    Header (computing), supplemental data at the beginning of a data block E-mail header HTTP header Header file, a text file used in computer programming (especially in C and C++) A pin …

  6. 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 …

  7. 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 …

  8. 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.

  9. HTML <header> Tag - W3docs

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

  10. Header Tags: A Simple (But Complete) Guide To H1, H2 and H3 …

    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) …