What is the purpose of the <head> tag in an HTML document?

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The purpose of the tag in an HTML document is to contain metadata about the document. Metadata is information that describes various aspects of the document that is not visible to the user when the page is rendered in the browser. This includes elements like the document title, character set, links to stylesheets, scripts, and other meta tags that define viewport settings, keywords, author details, and more.

By using the tag, developers can configure how the document behaves and appears without displaying that content directly to users. For example, a element within the <head> provides the title that appears in the browser tab, while <link> tags can connect to external CSS stylesheets to style the document.</p> <p>Other options like containing the main content, including CSS only, or creating interactive scripts do not accurately represent the role of the <head> tag. The main content of the document belongs in the <body> tag, while CSS is typically linked in the <head> tag but is not the sole purpose of it. 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