The biggest secret about blogging isn't really a secret at all. It's that you need good content in order to attract readers and patrons to your blog. Everything else that I wrote about in today's Art Marketing Action newsletter is secondary.
Think about this: Why do you visit certain websites and blogs over and over again? It's usually to be informed or entertained. Are you doing that for your readers? Here are some tips for evaluating other blogs to see what is making them tick.
Blog often enough to keep up the interest. I think you need to post at least 3 times a week.
In addition to the tips I gave in the newsletter, look at what you're blogging about. Is it material you'd like to read? Do you mention other blogs and items of interest to your audience?