ServletSpeedster is a nice little servlet with a few helper classes
that can speed up the jsp/servlet serving times you have. It doesn't
really cache whole pages. It's about caching parts of the pages you serve. The parts that
don't change don't need to be generated each time you create output
from your servlet.
Some good examples of this are Menus, News and other
visible parts of changes which are generated dynamically all the time
altrough they shouldn't be.
If SourceForge would support jsp-s even
the block you are reading here could be served from a db and still be
cached.
Cause it doesn't change every time you request it.