You can prevent the indexing of a particular page in the following ways:
Applying the "noindex" Meta Tag:
Place one of the following META tags in the <HEAD> section of your page:
<META NAME="ROBOTS" CONTENT="NOARCHIVE">or
Yahoo! Slurp retrieves the document, but it does not index the document text.
Applying the "noindex" Directive:
Configure your web server to place the following directive in the HTTP header used to serve the page:
X-Robots-Tag: noindex
Note: Although the document content is not indexed, the URL might remain in the search engine database as a reference link from other public web pages.