The link tag defines a relationship and connection between an HTML page and an external resource. Typically, the resource is a stylesheet (CSS).
|Describes the kind of relationship.|
|Describes the MIME type. In other words, this defines the type of resource that is being connected.|
|href||A path to the external resource.|
The code that follows links the document to a CSS page as well as a favicon (a small icon that appears on the tab or top-toolbar for certain browsers).
<html> <head> ... <link> rel="stylesheet" type="text/css" href="global.css" /> <link> rel="icon" type="image/png" href="favicon.png" /> </head> ... </html>