Q: How to implement caching of images to speed up my web application I want to speed up my web application which is in java and am also using ajax, javascript. can someone explain through an example to how to implement image caching.I am using IBM Webspere

A: Ideally static content is cached by browser at client side but in order to reduce load on application server you can use HTTP server like Apache or IBM in between your client(browser, mobile ...) and  application server.
You can search  Use HTTP server to cache static content
