JQSpeedTest is a jQuery based plugin to check network speed in between the client and your webserver/application.
JQSpeedTest does NOT REQUIRE SERVER-SIDE SCRIPTING. The implementation is in pure JavaScript and uses NO FLASH.
Supported servertypes are are Apache, IIS, lighttpd, Node.js, Nginx, Apache Tomcat, Tornado and many more juat needs one which accepts posts (therefore no S3).