HTML robots META tags

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The Robots META Tag
The Robots META Tag is placed between the <head></head> elements of your document.
We suggest they be ordered this way...

<head>
<meta http-equiv="content-type" content="text/html; charset=iso-8859-1">
<title></title>
<meta name="robots" content="noarchive">
<meta name="description" content="">
<meta name="keywords" content="">
</head>



Provide keywords and descriptions
Some indexing engines look for META elements that define a comma-separated list of keywords/phrases, or that give a short description. Search engines may present these keywords as the result of a search.

<meta name="keywords" content="keyword,keyword,keyword">
<meta name="description" content="Your description from site">



If you want to remove your webpages from the Google Cache, add the following Meta Tag into your HTML

<meta name="robots" content="noarchive">




HTML or XHTML meta tags

Differences Between HTML and XHTML

In HTML the <meta> tag has no end tag.

In XHTML the <meta> tag must be properly closed.


Example of NoArchive Robots META Tag for HTML

<meta name="robots" content="noarchive">



Example of NoArchive Robots META Tag for XHTML

<meta name="robots" content="noarchive" />



noodp
If you are listed in DMOZ (ODP), the search engines will display snippets of text about your site taken from them instead of your description meta tag. You can force the search engine to ignore the ODP information by including a robots meta tag like this:

<meta name="robots" content="noodp">



noydir
Yahoo! displays information about your site taken from the Yahoo! Directory instead of your description meta tag, you can force it to ignore the directory information by including a robots meta tag like this:

<meta name="robots" content="noydir" >



noarchive
Page may not be indexed by a search service.

<meta name="robots" content="noarchive">



noindex
Page may not be indexed by a search service.

<meta name="robots" content="noindex">



nofollow
Robots are not to follow links from this page.

<meta name="robots" content="nofollow">


Do Not index / Do Not follow links

<meta name="robots" content="noindex, nofollow">


Do Not cache

<meta name="robots" content="noarchive">



The robots directives of index, follow or all are not required as it is the default behavior of indexing spiders.


index
Robots are welcome to include this page in search services.


follow
Robots are welcome to follow links from this page to find other pages.

Example use:

<meta name="robots" content="all">
<meta name="robots" content="index, follow">


Common Usage for the Robots META Tag

A robots term of noindex allows the links on that page to be followed, even though the page is not to be indexed.

<meta name="robots" content="noindex, follow">



A robots term of nofollow allows the page to be indexed, but no links from the page are followed.

<meta name="robots" content="index, nofollow">



A robots terms of noindex, nofollow neither the page or the links on that page will be followed or indexed.

<meta name="robots" content="noindex, nofollow">




Alles over :
About the Robots tag : http://www.robotstxt.org/meta.html
HTML Tags : http://www.w3schools.com/TAGS/
W3C HTML 4.01 Specification
W3C XHTML™ 1.0 A Reformulation of HTML 4 in XML 1.0

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