HTML link element
HTML <link> tag links the current document to the other resources. These resources may be CSS sytylesheet or javascript file.
We write the URL or address of the external document in the href attribute of link element. link element is usually written inside head element.
Tag omission
It is a self-closing tag (<link />) i.e. there is no end tag.
Global Attributes
All the global attributes are applicable on the link element.