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  1. 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 …

  2. 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 …

  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. <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 …

  5. 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 …

  6. 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 …

  7. Header Definition & Meaning | Britannica Dictionary

    HEADER meaning: 1 : a word, phrase, etc., that is placed at the beginning of a document, passage, etc., or at the top of a page; 2 : a fall in which your head hits the ground

  8. HEADER definition in American English | Collins English Dictionary

    A header is text such as a name or a page number that can be automatically displayed at the top of each page of a printed document. Compare footer.

  9. HTML <header> Tag - W3docs

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

  10. Headings - APA Style

    Make your headings descriptive and concise. Headings that are well formatted and clearly worded aid both visual and nonvisual readers of all abilities.