Ajax has been repurposed as a general term to indicate asynchronous technology that is used to dynamically update a web page without requiring a new page load typically with new information obtained through background interaction with a server-side interface. For example, the Joomla Administrator interface could be set up so that clicking on the publish or unpublish icon could update the article without refreshing the page.
Some typical Ajax solutions in Joomla :
- Article Injector: Allows creation of Joomla articles without a page refresh.
- Image lazy loader: If your Joomla site has a lot of images to display, a lazy loader can make the page display much more quickly.