Increasing backlinks is one of the crucial tasks for any website or blog. No doubt, higher the number of backlinks for your blog, more is the love from Google. If there are good reputed websites linking you, you can increase your Google Page Rank very easily.
I am providing here the list of 27 DoFollow Social Bookmarking sites. Submit your posts to these sites and increase your page rank.
Mister Wong at www.mister-wong.com
PR 6Backflip at http://backflip.com
BibSonomy - http://bibsonomy.org/
Diigo - http://diigo.com/
Spurl – link is http://spurl.net/
Furl : link at http://furl.net/
Feedmarker and url as http://www.feedmarker.com/
Connectedy : see at http://www.connectedy.com/
myVmarks : It can be reached at http://www.myvmarks.com/
Health Ranker : Can be seen at http://www.healthranker.com/
Jumptags – This is live at http://jumptags.com/
Buddy Marks : At http://buddymarks.com/
linkaGoGo : http://linkagogo.com/
Spotback – Online at http://spotback.com/
IndianPad – Url is http://www.indianpad.com/
A1 Webmarks - http://www.a1-webmarks.com/
MyLinkVault, whose url is http://www.mylinkvault.com
SyncOne : It can be accessed by opening the url http://www.syncone.net
Update 20 August 2011:
Please note that the Page Ranks of these do-follow websites that I have mentioned above was at the time when I wrote this post. Now, the chances are that the Ranking of these directories might have increased or decreased. So, you should now check the ranks of all the sites before preceeding further and utilizing your hard work in submission of your blogs or websites articles.
So, you can categorize the above listed sites according to the correct ranks and we would appreciate if you could please comment here if there is any fluctuation in the ranks. And if fluctuation is present then you can please report the correct ranks as well.