The Akismet widget displays the number of spam comments caught over the life of your blog by Akismet.
Here’s what it looks like when it’s added to a blog sidebar.
About Akismet
Every comment submitted on MyWordpess blogs is checked against the Akismet servers. Any comment identified as spam is automatically marked as spam and is sent to your comment spam folder.
Settings
Once you add the widget to your sidebar in Appearance > Widgets, you’ll see that the widget settings look like this:
The only option you have is to add your own custom title.