If you've got some technical expertise and you're looking to increase your blog traffic stick to this winning formula: the "How to". A successful how to blog post (and your key to increasing blog traffic) has four key elements:
When it comes to titling your blog post, try naming your post to something you might type in as a Google search. People looking for answers will often type in things like "How to increase blog traffic" or "How to increase traffic to your blog". Pick a title and stick to it.
Blog posts that are easy to read get a better response. Try adding things like bulleted or numbered lists, if that makes sense.
If you're getting technical, provide a snippet of code or examples of what you're talking about.
Once you've decided on a title for your blog, repeat the keywords throughout your post - but don't go overboard (This article for example repeats the words "traffic" and "increase" 5 times each - including the times in this sentence).
By way of example, here's a link to our most popular blog post ever:
http://www.metaltoad.com/blog/how-add-field-drupal-contact-form