From http://www.w3schools.com (Copyright Refsnes Data)

HTML 5 <link> tag

Definition and Usage

This element defines the relationship between two linked documents.

Differences Between HTML 4.01 and HTML 5

Some HTML 4.01 attributes are no longer supported.

Tips and Notes

Note: The link element is an empty element, it contains attributes only.

Note:  This element goes only in the head section, but it can appear any number of times.

Example

How to use the <link> tag to link to an external style sheet:

<head>
<link rel="stylesheet" type="text/css" href="theme.css" />
</head>

Attributes

Attribute Value Description 4 5
charset charset Defines the character encoding of the target URL. Default value is "ISO-8859-1". Not supported 4  
href URL The target URL of the resource 4 5
hreflang language_code Defines the base language of the target URL 4 5
media screen
tty
tv
projection
handheld
print
braille
aural
all		 Specifies on what device the document will be displayed

screen For non-paged computer screens
tty For media using a fixed-pitch character grid (like teletypes, terminals, or devices with limited display capabilities)
tv For TV-type devices (low resolution, limited scrollability)
projection For projectors
handheld For handheld devices (small screen, limited bandwidth)
print For paged and for documents viewed on screen in print preview mode
braille For braille tactile feedback devices
aural For speech synthesizers
all For all devices

4 5
rel alternate
appendix
bookmark
chapter
contents
copyright
glossary
help
home
index
next
prev
section
start
stylesheet
subsection		 Defines the relationship between the current document and the targeted document 4 5
rev alternate
appendix
bookmark
chapter
contents
copyright
glossary
help
home
index
next
prev
section
start
stylesheet
subsection		 Defines the relationship between the targeted document and the current document 4  
target _blank
_self
_top
_parent		 Where to open the target URL.
  • _blank - the target URL will open in a new window
  • _self - the target URL will open in the same frame as it was clicked
  • _parent - the target URL will open in the parent frameset
  • _top - the target URL will open in the full body of the window
4  
type MIME_type like:
text/css
text/javascript
image/gif		 Specifies the MIME type of the target URL 4 5

Standard Attributes

class, contenteditable, contextmenu, dir, draggable, id, irrelevant, lang, ref, registrationmark, tabindex, template, title

For a full description, go to Standard Attributes in HTML 5.

Event Attributes

onabort, onbeforeunload, onblur, onchange, onclick, oncontextmenu, ondblclick, ondrag, ondragend, ondragenter, ondragleave, ondragover, ondragstart, ondrop, onerror, onfocus, onkeydown, onkeypress, onkeyup, onload, onmessage, onmousedown, onmousemove, onmouseover, onmouseout, onmouseup, onmousewheel, onresize, onscroll, onselect, onsubmit, onunload

For a full description, go to Event Attributes in HTML 5.

Try-It-Yourself Demos

Link to an external style sheet
How to use the <link> tag to link to an external style sheet.

From http://www.w3schools.com (Copyright Refsnes Data)