These rules are not universal. But this is what I have noticed working with dozens of authors and want to be authors.
Think of this as a list of best practices.
If you build it they won’t come. The only way to get people to visit your author website is to give them something they are looking for. But what is that? This article summarizes research done by the Codex Group about what readers want from author websites.
Don’t waste your time doing things on your author blog that turn your readers away. This post gives you five things your readers don’t want from your author blog.