Here is a list of items to put on your website. By no means is this conclusive
d.Book Purchase links
e.Information about you, the author
o.Pictures of your signings
p.Your appearance schedule
q.Links to articles you've written
r.Jokes / Humor
As J.A. Konrath said, “Your website – and everything you do on the net – isn't about what you have to sell. It's about what you have to offer.” You're promoting yourself and your books.