Find out what other websites the author has made.
See if there are any awards that the Author has been presented.
See if the author is an expert or has expert sources.
See what music the author listens to.
See where the author is from.
It shows what the author is trying to do or get you to understand with their writing.
It shows where the author is from.
It shows how much an author has written.
It lets you know who the author is.