Now, don't get it twisted, a high google pagerank doesn't always equal to your traffic but it's still good to have it anyway. It's one of the algorithms google checks when sorting out search results. It's always been said that original contents matters a great deal and you must take this even more serious than link building but that is not the main topic here. There's a more comprehensive post I recently wrote on how to increase your google page rank and alexa traffic rank, you should try reading through it.

There are several ways to get quality backlinks pointing to your blog and one of the most effective is commenting on blogs relating to your niche. I've seen quite a lot of bloggers commenting here even to the point of spamming but most do not realize that google will never index or follow those links because there are ways to make blog commenting work to your advantage.
DoFollow And NoFollow Backlinks
What are dofollow and nofollow links? Did you know you can comment on 100 blogs without google recognizing any of those precious backlinks you worked hard to get? In a bid to reduce spamming for the sake of SEO, google devised the nofolow and dofollow tags. A link with nofollow tag added has no SEO benefit for the destination site and a link with dofollow or none of the tags will be indexed and counted as a backlink for the destination site

By default, all comments posted on blogs hosted on blogspot are nofollow links. Google doesn't index links on most blogger blogs, you probably would have noticed that in google webmaster tools and wondered why.
How To Differentiate Between Nofollow And Dofollow Links
Before you go about commenting on just any blog, you should know whether the blog you're commenting on has any SEO value for you. There's a firefox extension that highlight links in a page according to nofollow / dofollow status.
There's an easier way to do this though, just highlight an existing comment using firefox, right click and select view selection source. Below is an example of a nofollow link as shown in page source:
<a class="comments-autor-name" href="http://www.blogger.com/profile/05279327145715289304" rel="nofollow">Don Caprio</a>
<a class="says">says:</a>
<a class="says">says:</a>
I'm not saying you should only comment on blogs with dofollow links, commenting on a few blogs with nofollow tag creates what looks like a natural profile in google's view.













Don Caprio's just another regular dude, an average person like everybody else and I live in The World's Most Populous Black Nation.
I started blogging late 2009, I'm still loving it and I'm the type of guy that'll love to have my computer inside my coffin when I die.Don't smile, it ain't no joke.
You can add me as friend on 
9 comments:
Do follow links plays a vital role in strong baclinks. So if you will get links from a do follow site Google will consider this.
I agree that it's a good idea to get some nofollow comment backlinks as well. If you just comment on those blogs that you are interested in, then you're sure to get a mix of both kinds of links.
Another way to get a combination is to post free classified ads that allow backlinks. The vast majority are nofollow, although some are dofollow.
Thank you
Your blog is very Informative.
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That is good information to know.
@Perth. You're right on that one. I should also have mentioned classified ads up there. Thanks for dropping by
@Kevin. You're much welcome
Do follow links with high page rank will help to get a back link to your website and it is most important factor.
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The nofollow value was introduced in 2005 for a reason and I believe that it should be used in ares where users can post links on your site.
Thank you for sharing, I found very useful...
keep up the nice work, and I will be a frequent visitor for a very long time.This is a really good read for me. Must admit that you are one of the best blogger I have ever read.
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