Nowadays social bookmarking plays an important role in the off page optimization of a website because in the World of competition everyone want to make his website on top of the search engine results. Many sites attach a nofollow scripts to their links which prevents search engines from following the link but they don’t serve you any benefits. some sites on the other hand do allow Google to follow the links which is awesome for you. so i think quality and quantity both are important. But you know quality means pr9 or pr8 dofollow backlinks are very great for your search engine rankings. and quantity means numbers of backlinks so Quality backlinks is important then quantity.
You know guys social media today plays an important role to increase ranking and traffic, So now i am going to show the social bookmarking sites list.
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Guys you know after my research i found these top 50 social bookmarking sites with high page rank, don’t forgot share with your friends.