JSP Performance Improvement Tips

[Sateesh Kumar K]

Hi All,
Can any body list out the performance improvement guidelines one needs to follow while developing Web Applications using JSP. Assuming that in these Web Apps we are not using any MVC Architecture..
What are the tools available that can suggest some improvement guidelines or scan through the JSP page and gives a report with which portion of it is taking how much amount of time..

Thanks in Advance
Sateesh

[William Brogden]

Off the top of my head:
1. Premature optimization is the enemy of working code. - (translation - get it working first, then optimize)
2. Avoid excessive object creation (the usual argument for using StringBuffer when assembling strings.)
3. Cache chunks of output that are hard to create in the first place but don't change very often. (For example, a list of news items drawn from moreover.com only needs to be recreated every hour or so.)
4. Use a connection pool instead of creating a DB connection for every transaction.
Bill