Ajax Cache __ajax

Turn from: http://www.cnblogs.com/quange/archive/2009/07/24/1529958.html

Ajax cache is maintained by the browser, for a url,ajax sent to the server only on the first request with the server interaction information, after the request, Ajax no longer submit requests to the server, but directly from the cache to extract data.

We all know that Ajax can improve the speed of the page load is the main reason is to reduce the load of duplicate data through Ajax, really do on demand, in this case, we can write Ajax programs to send the Buddha to the west, in the client to do a cache, and further improve data loading speed. Which is to cache data in the browser's memory while loading the data. Once the data is loaded, as long as the page is not refreshed, the data is always cached in memory, when the user view the data again, you do not need to fetch data from the server, greatly reducing the load on the server and improve the user experience.
Another reference: http://www.cnblogs.com/yslow/archive/2009/08/28/1555777.html