Knowing who’s linking to you can be a great way to determine how effective your blogging (for your business) has become. Watching your links grow incrementally is encouraging, and can assist you in knowing what your audience wants and what you need to write on to please them.
The way I keep up with who [...]

Looking at your subscription numbers can clue you in to how your blog is performing for your business.
Take a look at this informal measure to see if your blog is hitting the mark: (via)
The thing that is generally useful from Lanzone’s analysis is that subscriptions for blog feeds through Bloglines gives us a relative understanding [...]