Debugging Web Parts - a full explanation of the requirements

http://www.bluedoglimited.com/SharePointThoughts/ViewPost.aspx?ID=60

CallStack=true
debug=”true”
level=”Full”
mode=”Off” in the node

Customizing the Content Query Web Part and Custom Item Styles

http://www.heathersolomon.com/blog/articles/CustomItemStyle.aspx
http://blogs.edork.com/MikeGeyer/Lists/Posts/Post.aspx?ID=20

Test google.

google-analytics.

<br /><script type="text/javascript"><br />var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");<br />document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));<br /></script><br /><script type="text/javascript"><br />try {<br />var pageTracker = _gat._getTracker("UA-10295588-2");<br />pageTracker._trackPageview();<br />} catch(err) {}<br /> </script><br />