Name:

Description:

charset

Defines the character coding of the target url or writes a page on charset.

href

Target URL.
Can be any internet address which starts with: http, ftp, telnet, mailto, etc.

hreflang

Defines the language. You have to provide the language code. Here are some codes:

de = German
en = English
en-us  = English (USA)

en-uk = English (UK)

es = Spanish

fr = French
it = Italian

media

Media is the medium on which the document will be shown. It can one of the following options:

All

Braille

Print

Projection

Screen

Speech

target

Target Frame to load the page into. Can be one of the following:

_blank = new window
_self = same window

_parent = parent window
_top = url will be opened in full body of the window

type

This specifies the mime type of the target URL. Here are few of them:

text/css = used to implement style sheets

text/javascript = used to implement a javascript file

image/gif = used to implement an image

appendix

Reference to the appendix page of the document.

Example:

<a href=”appendix.html” rel=”appendix”>

alternate

Reference to a alternative source.

Example:
<a href=”AltChapter1.html” rel=”alternate”>

bookmark

Reference to a bookmark. Many web blogs use this value in a link to show a permanent link which can be bookmarked.

Example:
<a href=”a href=”index.html” rel=”bookmark”>

chapter

Reference to a chapter from the current listed documents.
Example:
<a href=”chapter.html” rel=”chapter”>

contents

Reference to the table of contents in the current document.
Example:

<a href=”toc.html” rel=”contents”>

copyright

Reference to copyright or the policy of the current document.

Example:

<a href=”copyright.html” rel=”copyright”>

glossary

Reference to glossary page of the document.

Example:

<a href=”glossary.html” rel=”glossary”>

index

Reference to the index page of the current document.

Example:

<a href=”index.html” rel=”index”>

next

Reference to next page from the current document.

Example:

<a href=”chapter2.html” rel=”next”>

prev

Reference to the previous page from the current document.

Example:
<a href=”chapter1.html” rel=”prev”>

section

Reference to a section in a list of documents.

Example:
<a href=”index.html#section” rel=”section”>

start

Reference to the first page of the current documents. Search engines can use this to show the first page.
Example:

<a href=”index.html” rel=”start”>

subsection

Reference to a sub-section in a list of current documents. ( Note that a section can have multiple sub-sections)

Example:
<a href=”index.html#subsection” rel=”subsection”>