Want to know how fast your site loads from around the world? Check out this free tool:
http://www.internetsupervision.com
Troubleshooting why your site is loading slow? Check out this fantastic free tool (more extensive than traceroute):
http://www.pinplotter.com
It normally takes up to 24 hours to populate the DNS change. Use this FREE tool to check:
http://www.intodns.com
if using Windows, type in “cmd” command prompt, then type “ipconfig /flushdns”. check the ip address to make sure that it is pointing to the new server.