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 …

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 …

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 …

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 …

Nov 2, 2025 · The multifaceted definition of a header in technology, covering its roles in data transmission, document design, web page structure, file information, and more.

Jan 18, 2026 · Parts of speech belong in a level-three header. Level-two headers are reserved for the name of the language.

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.

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

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) …

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 …