Tuesday, April 19, 2011

SEO meta tags

Source

Search engines will sometimes opt to ignore them in favor of the
description used at Dmoz.org or in the Yahoo! Directory
(if you have a listing there).

To help webmasters control this scenario, new meta tag variations were
created to force
search engines to use the <meta> description tag instead of the
description found in the
directory listings. Here are examples that detail ways to block either
Dmoz.org or Yahoo! Directory descriptions:

<! -- Tells Yahoo! to not use Yahoo! Directory description -->
<meta name="robots" content="noydir" />

<! -- Tells search engines to not use ODP description -->
<meta name="robots" content="noodp" />

<! -- Tells search engines to not use either of the two directories -->
<meta name="robots" content="noodp,noydir" />

If you wish to target only specific spiders, you can do the following:
<meta name="googlebot" content="noodp">
<! -- Note: Only Yahoo! uses Yahoo! Directory -->

<meta name="slurp" CONTENT="noydir">
<meta name="msnbot" CONTENT="noodp">

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