alternate Links to an alternate version of the document (i.e. print page, translated or mirror).\n<link rel="alternate" type="application/atom+xml" title="Foo news" href="/blog/news/atom">
author Links to the author of the document
help Links to a help document.\n<link rel="help" href="/help/">       
icon Imports an icon to represent the document.\n<link rel="icon" href="/favicon.ico" type="image/x-icon">
license Links to copyright information for the document
next Indicates that the document is a part of a series, and that the next document in the series is the referenced document
prefetch Specifies that the target resource should be cached
prev Indicates that the document is a part of a series, and that the previous document in the series is the referenced document
search Links to a search tool for the document
stylesheet URL to a style sheet to import\n<link rel="stylesheet" type="text/css" href="theme.css">