Social bookmarking is a powerful tool in promoting a website. This SEO technique increases search engine ranking without needing to spend any cash into it. There are many social bookmarking sites that you can just sign up for free and are made simple to be done easily.

Bookmarking sites permit you to save Pages you have got an interest in on your browser so you can visit them in the future at any point. Saving to your browser isn't the sole way to try this because these sites have now expanded permitting you to save your Pages on the web accessing them from anywhere. You can decide to keep your bookmarks personal or public.

Another benefit of bookmarking is that it gives marketers the benefit of link popularity with their websites, providing them with a great online existence. Marketers will be able to use these sites to get other people to notice their contents and spread it around if they find it useful and interesting enough. The increased traffic that bookmarking sites provide, they also raise your possibilities of a higher search engine ranking.

When the contents of your websites get linked to by other folk through social bookmarking, they become more favored by search engines. Each link you get indicates to the search engines that contents of your websites have been announced as worth taking a look at and thus gives you a lift in ranking.

SEO optimization through bookmarking sites is truly a very effective way to get your Website noticed and ranked. You have to remember that in using this SEO technique to gain quality back links, it is very important that you know the way to do it the correct way because there are many marketing consultants go out and used special automated software to reach hundreds of bookmarks back to their site. To avoid this, you can do your manual bookmarking at a regular pace. Indeed, learning to effectively use social bookmarking sites is so significant for achieving high search engine ranking.

Source: http://ezinearticles.com/?Increa....4453159

So I have searched for top ranked social bookmarking sites as they are very important for link building and allow us to get more visitors to our site. I have prepared list of such sites:

1. Slashdot - PR9 - 188,000 links
2. Digg - PR8 - 3,470,000 links
3. del.icio.us - PR8 - 1,540,000 links
4. Reddit - PR8 - 1,040,000 links
5. Technorati - PR8 - 760,000 links
6. Stumbleupon - PR8 - 725,000 links
7. Blinklist - PR7 - 1,620,000 links
8. Furl - PR7 - 1,210,000 links
9. Propeller - PR7 - 322,000 links
10. Rojo - PR7 - 6060 links

For more sites with links, PR and Alexa rankings are shown here: http://sitecatalog.ucoz.com/blog....07-17-4