10/06/2010 | 
You must know that link building is one of the most important elements of SEO, can help you improve your ranking higher in search engines that can increase traffic to your site. There are several strategies is that you can do to get a backlink to your blog. You definitely want those links become DoFollow and NoFollow links as not. Because backlink of doffolow blog can increase your PageRank, this is already common knowledge.
By leaving comments on DoFollow blogs is one way to get the link in one direction. Here is a list of some of the best DoFollow blogs with Page Rank 7 (PR7), which is a high-ranking website and signs the authority. All of this blog is DoFollow secured PR7 – at least those at the time of this post and for many years before.
Make sure that the links from PR7 sites can greatly enhance your search engine rankings, but you must put the effort in getting these links. With your business consists of writing quality comments that expand on the topics discussed. Do not ever Spam every blog. Then the relevant post and comments also investigated. This is a good business and can prevent your site from blacklisted by Spam fighting script. Let me repeat once again – below is a well-researched list of some of the best PR7 blog with comments DoFollow. Do not ever Spam this blog. Riders should send comments and contribute to the quality of the topics covered.
Simply, this is the best Dofollow List PR7, please do not do spam, give wisely comment:
http://www.burningbird.net
http://www.educause.edu/blog
http://moritzlaw.osu.edu/blogs/tokaji/
http://dig.csail.mit.edu/breadcrumbs/blog/4
http://amps-tools.mit.edu/tomprofblog/
http://pressblog.uchicago.edu/
http://blogs.nyu.edu/fas/dri/aidwatch/
http://www.atsweb.neu.edu/math/cp/blog/
http://delong.typepad.com/
Important: I not own one of the blogs between Dofollow PR7 blog. I am just sharing valuable information for our blogging activities. Once again, I warn you not to make yourself look stupid, by doing Spam. Give high quality comment.
