Social Bookmarking is one of the role in Search Engine Optimization (SEO). Lots of benefits you can get with these social bookmarking sites. This is a good source to build a quality and high PR backlinks with good Page Rank. It helps to drive quality traffic to your blogs, websites. Social bookmarking introduce your sites to other with relevant topics, selection of good blogs and helps in building quality backlinks to your Blog/Website.
For all beginners, most of the high ranking social bookmarking sites, do not use no-follow links , so your links will be counted. The benefits of no follow links is, Google weigh these links and helps to rank in their search algorithm. There are some experts who believe in this strategy. The reason is that even though Google does not follow the links, the web page address still shows up as part of the link text and this could be beneficial.
The following are some of the most popular social bookmarking sites with High Page Rank (PR) that are used today. Few of them you may recognize, but may not know most of them.
Here are the Best 500 Quality High PR Social Bookmarking Sites List for Free.