I’m sorry that I missed your question, Toni. It was made around my birthday when I was taking a short break from the Internet.
Jason is correct that what matters most in an author’s blog is the writing of the content itself.
If you want to experiment with WordPress you can do so for free as part of this site. Just create a new group and say yes to adding a blog. The server will do the rest for you.
For more information on blogging as an author (part of what is often called building an author platform), you may want to look at our guide on blogging.
Blogging