WordPress.org

In your WordPress Admin menu, you will find a new menu under Settings called UserAgent Spy. There you can choose the displayed icons size, and select where to display the plugin. There are three options for displaying the plugin:

1. Before the comment text. User's WebBrowser and OS will be displayed before comment text.
2. After the comment text.User's WebBrowser and OS will be displayed after comment text.
3. Custom (Advanced). You can specify the location using the useragentspycustom() function inside the comments loop in your template (Generally in comments.php). Example: says:
   CAUTION: If you select "Custom" and don't use in your template, you won't get the information displayed. Other options are the text to use when displaying the user's web browser and Operating System.