This week's book giveaway is in the OO, Patterns, UML and Refactoring forum. We're giving away four copies of Refactoring for Software Design Smells: Managing Technical Debt and have Girish Suryanarayana, Ganesh Samarthyam & Tushar Sharma on-line! See this thread for details.
if you use tomcat, jboss, or jetty as your web container jamon can also measure the ammount of bytes sent back to the client. This will allow you to see if any are candidates for a compression filter. A compression servlet filter is very easy to implement and almost always will help or certainly won't hurt.