Add Print Stylesheet
There are separate versions for Joomla 1.5 and Joomla 2.5.
The plug-in enables the addition of a print stylesheet that doesn't get overwritten if you update your template.
A print stylesheet can be handy to remove unwanted elements from printed copies of your web pages such as dark backgrounds, menus and social networking buttons.
One of the assessable items in the Nibbler test tool is a print stylesheet so installing and configuring this extension will improve the score of your website on Nibbler.