High PR social bookmarking dofollow sites for link building

Social bookmarking sites keep user busy with sharing articles and link like social networking sites. Your link can become popular fast and divert traffic to your website, If you have a good number of friends on social bookmarking site. Social bookmarking build links back to your website also. If you use bookmarking sites like Digg, Del.icio.us, and Technorati, Stumbleupon properly, you allow other users to add your relevant links to their sites and marketing lists and your URLs go viral as a result of sharing these links. But you must have to share links on an dofollow website to build backlink. If you share your link on a nofollow bookmarking site that do not help building backlink.

DoFollow is the opposite of “NoFollow”. No follow tag tells search engine not to follow the links. So more do follow back links help you to get higher page rank.

Below i organized almost 50 social bookmarking dofollow sites shorted in order of page rank.