By Danny Sullivan on searchengineland.com
More about this content:
This content is about the use of the nofollow tag, which is a way publishers can tell search engines not to count some of their links to other pages as “votes” in favor of that content. It explains when and how to use the nofollow tag, as well as the history and implications of using it. It also provides additional references and background information to help better understand the nofollow tag. Finally, it provides advice for those who produce widgets or infographics on how to use the nofollow tag.