If your blog is a one author blog, or you don’t think you need author archives, use WordPress SEO to disable the author archives. Also, if you don’t think you need a date based archive: disable it as we have. Even if you’re not using these archives in your template, someone might link to them and thus break your WordPress SEO…
Realisation on snbchf.com
As I said here, We use all features from wordpress. It isn’t necessary to noindex any part of our site. It is good idea to deindex content, when it is duplicated. We don’t have such a content.