<head> element represents a collection of metadata related to the current document. It is an immediate child of the
<html> element and may include its own child elements such as
<head><!-- Document-level metadata tags go here --></head>
<head> is an element whose content does not get shown to the user, so there is no default formatting behavior.
<head> element is the perfect place to tell the document where these things live, and what they should be: