It's very easy for making good backlinks from social bookmarking sites. You have simply register on these sites and confirmed your email address. Add your websites link & other details and click submit button. For making social bookmarking always use dofollow links and high pr sites, so that google fast index your sites and give a good rank for your site. All your shared links will count as backlinks to your website. You can also checkout my another post:- Top Social Bookmarking Sites
- It increases website/blog popularity.
- It helps in faster indexing of your site.
- It gives great traffic from bookmarking sites.
- It gives many unique visiters of your site.
- It helps in increasing search engine rankings.
- It decrease alexa & bounce rate of your site.
- It increases pr (page rank) by providing high quality of backlinks to your site.
- It helps in targeted traffic to targeted pages of your sites. which page you want popular.