There are many extra things that you can add to your site. Sometimes these things are good and will improve your content, and sometimes they are just added hassle and clutter. It really depends upon what you are trying to do.
I've listed a few of these extras below, just to give you an idea of what's available. These are all working examples, so feel free to try them out.
You can add a Dictionary or you can let your visitors check out the weather.
Unless otherwise noted, all photos and text is Copyright © Richard G Lowe, Jr.