Yahoo! Slurp obeys the rel=nofollow" attribute for links. Webmasters and blog owners can apply a rel=nofollow" attribute to any hyperlink on their page to indicate that the link may not be an approved or trusted link. Slurp may use a "nofollow" link for discovering content, but the link will not be considered an approved link for consideration for ranking of the target page.
This attribute works to reduce the benefits of comment abuse. For instance, websites with public comment areas can apply a "nofollow" attribute to publicly entered links to fight comment spam.
Applying the rel=nofollow" Attribute:
Example:
changes to:
The "nofollow" attribute applies to single HTML tags. To prevent Slurp from following all links on a page, place a robots "nofollow" Meta tag in the <HEAD> section of the page.
Applying the "nofollow" Meta Tag:
Example:
For additional details see: HTML Author's Guide to the Robots META tag.