Today, I'm sharing a huge list of High PR do follow social bookmarking sites, some do follow blogs and websites, which you can use to improve your blogs or websites SEO Ranking, hence highly traffic.
Just use these websites and get high alexa rank with a good Google page rank(PR). Quality Backlinks from Dofollow social networking sites is the one the most effective and easiest search engine optimization technique.Also back links from these sites helps in getting good page rank and gain more visibility in the eyes of all search engines.
You thinking what to do with these links don't worry just create Profile/Account on each and every website then edit Profile/Account and at last add your Link.
Top 10 Do Follow Social Networking site : ↓
1.Linkedin
PR : 9 Alexa Rank : 12
2.Flickr
PR : 9 Alexa Rank : 48
3.Digg
PR : 8 Alexa Rank : 178
4.Technorati
PR : 8 Alexa Rank : 1352
5.Diigo
PR : 7 Alexa Rank : 1576
6.Mister-Wong
PR : 7 Alexa Rank : 17374
7.Linkagogo
PR : 6 Alexa Rank : 10722
8.Kwoff
PR : 6 Alexa Rank : 25054
9.Mylinkvault
PR : 5 Alexa Rank : 14009
10.Clipclip
PR : 5 Alexa Rank : 29730
Top 10 Do Follow Websites : ↓
1. http://www.google.com/profiles
2. http://www.flickr.com/help/forum/en-us/
3. http://Mozilla.org
4. http://www.forums.adobe.com
5. http://registration.excite.com/
6. http://www.philly.com
7. http://aolanswers.com
8. http://abovethelaw.com
9. http://www.blurtit.com/
10. http://forge.mysql.com/