Quote: Throughout the past three years, the rules regarding nofollow attributes have changed through the eyes of Google. Let’s take a look at the best practices now as compared to prior to these changes. But first here is, in brief, the concept of PageRank sculpting. The idea of PageRank sculpting is that you can control the flow of your link juice on your website by using the nofollow attribute. For example: if you have four links on a page and one of those links has a nofollow tag then the remaining three links are the only links that will pass a percentage of the PageRank of the current page to the pages they are linking to. Completed article google explain the use of nofollow here: http://www.google.com/support/webmas...n&answer=96569
they also suggest to use it for paid links to avoid penalty.. Yes, it is right. The no follow code tells search engines not to crawl or pass page rank through this link, which means that you’re not losing credit or link juice to other site. Link juice is passed through all links. Every single linked page from your blog receives a percentage of the PR assigned from the page you link from. Each link counts,
they also suggest to use it for paid links to avoid penalty.. Yes, it is right. The no follow code tells search engines not to crawl or pass page rank through this link, which means that you’re not losing credit or link juice to other site. Link juice is passed through all links. Every single linked page from your blog receives a percentage of the PR assigned from the page you link from. Each link counts,