It's easy to build a blog, but hard to build a successful blog with significant traffic. Over the years, we've grown the Moz blog to nearly a million visits each month and helped lots of other blogs, too. I launched a personal blog late last year and was amazed to see how quickly it gained thousands of visits to each post. There's an art to increasing a blog's traffic, and given that we seem to have stumbled on some of that knowledge, I felt it compulsory to give back by sharing what we've observed.
read more: http://moz.com/blog/21-tactics-to-increase-blog-traffic-2012