http://michaelhyatt.com/2009/11/do-you-make-these-10-mistakes-when-...
"Assuming you want to increase your blog traffic, there are certain mistakes you must avoid to be successful. If you commit these mistakes, your traffic will never gain momentum. Worse, it may plateau or begin to decrease."
Michael Hyatt makes some good suggestions in this blog entry. I recommend you read it.
Mistake #1: You don’t post enough.
Mistake #2: You post too much.
Mistake #3: Your post is too long.
Mistake #4: You don’t invite engagement.
Mistake #5: You don’t participate in the conversation.
Mistake #6: You don’t make your content accessible.
Mistake #7: You don’t create catchy headlines.
Mistake #8: Your first paragraph is weak.
Mistake #9: Your post is off-brand.
Mistake #10: Your post is about YOU.
I think I could use this advice to improve my own blogging. I started blogging largely as a learning experience. Once you are done with that, I guess it is time to move on to something purposeful. I think his advice about length is one of the places I need to start.