Census RIA Data Loading Benchmarks is a Flex application to demostrate various methods of loading data in RIAs and see how these methods impact performance, bandwidth and client momery usage. Census renders a large chunk of data using Ajax ( HTML, SOAP, XML and JSON ), Dojo, Flex ( SOAP to AS and E4X, XML to AS and E4X, AMF3 and Paged). We can see the Server Exec Time, Transfer Time, Parse Time and Render Time easily.

Link: http://www.jamesward.org/census/