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The Facts
about Cloaking
Cloaking is the technique of returning different pages according
to who or what is requesting them. E.g. a surfer would receive the actual web
page whereas a search engine spider would receive a different page that is
highly optimized, but would assume that it is the actual page that the
surfer sees.
One of the many reasons for cloaking, as search engine optimization, is to hide
highly optimized pages from people so that they can't be stolen and abused.
Another is to provide search engine spiders with
highly optimized pages that wouldn't look particularly good in browsers, enabling
you to be ranked in the top three pages for specific keywords in your industry
and drive tens of thousands if not hundreds of thousands of daily qualified visitors
to your web site.
There are basically three ways of cloaking.
One is "IP delivery", where the IP addresses of spiders are recognized
at server level and handled accordingly; another is "User Agent delivery",
where the spiders' User Agents referrer variables are recognized, and the third
is the first two combined."
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