You can try WEBO Site SpeedUp demo with all actual functions before purchase. Please use the following address: demo.sitespeedup.com/webo/.
Password is sitespeedup.
Live website is a sample Joomla! 1.5.15 installation with one of the predefined packages — demo.sitespeedup.com.
Please note, that there are a few security limitations for this demo:
Markus Merz, Germany, 2009