What is the function of the <header> tag?

The

tag is utilized to define introductory content or a set of navigational links within an HTML document. It typically contains elements like headings, logos, and navigation menus, serving as a container for introductory elements that give context to the content that follows. This structure helps to organize the webpage effectively by clearly delineating areas where users can find pertinent information or links that will guide them throughout the site.

The

tag emphasizes the importance of navigation and introduction, enhancing user experience by allowing for a smoother flow of information. Additionally, it can be employed multiple times within a single document, as long as it's used with different sections or articles, providing structured and easy access to key content.