Importance of “nofollow” Attributes: At their most basic, nofollow attributes control the flow of page rank between sites. When you allow your link juice to flow through to another site, a search engine takes that as kind of a personal endorsement from your site. So is it necessary add nofollow attribute to stop flow of page rank from one site to another. There are two methods. Manual Method of Adding nofollow Attribute: The nofollow attribute means you are simply inserting rel=”n