Webpage Performance testing with WebPagetest
WebPagetest is a tool that was originally developed by AOL for use internally and was open-sourced in 2008 under a BSD license. The platform is under active development by several companies and community contributors on Google code. The software is also packaged up periodically and available for download if you would like to run your own instance.
The online version at www.webpagetest.org is run by WebPagetest LLC for the benefit of the performance community with several companies and individuals providing the testing infrastructure around the globe. WebPagetest LLC is a company run by Patrick Meenan as an entity to keep WebPagetest independent from any of the partners or other companies involved in the development of the platform.
In exchange for running a testing location, partners get their logo associated with the location and a banner on the site. Hosting a test location is open to anyone who is interested and does not constitute an endorsement of the services offered by the partner (however, I think you will find that the partners providing test locations tend to be very involved in the web performance community).
Source: http://www.webpagetest.org/about
Web Page Performance test for my blog @ http://www.webpagetest.org/result/110728_XY_15M7T/