Basic analytics reports track unique visitors, page views, bounce rate, time spent on your blog site and several other valuable pieces of information. Below is a breakdown of the basic types of analytics reports available, and how they can help you understand both your blog itself, and the readers who pass through it, a little better.
Whether you blog to sell things, give advice, addressing an issue, etc. and you want to earn money from your effort. Note that, without audience, that you're addressing to, you can never get the income, you ever desire.