
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.
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 elements (<h1> - …
<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 author …
Header - Wikipedia
Header file, a text file used in computer programming (especially in C and C++) A pin header is a mainly male style of electrical connector on printed circuit boards, including motherboards, providing links to …
Header (association football) - Wikipedia
A header is a technique that is used in association football to control the ball using the head to pass, shoot, or clear. This can be done from a standing, jumping, or diving position. [1] Heading is a …
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 number of each page.
Header (computing) - Wikipedia
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 …
Strict-Transport-Security header - HTTP | MDN
Nov 30, 2025 · The HTTP Strict-Transport-Security response header (often abbreviated as HSTS) informs browsers that the host should only be accessed using HTTPS, and that any future attempts …
List of HTTP header fields - Wikipedia
Header introduced by Netscape in 1995 and became a de facto standard supported by most web browsers. Eventually standardized in the HTML Living Standard in 2017.
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 and …