This is a speed test at speedmatters.org.  I took the test and it was farely accurate. I have verizon FIOS 20mb down and 5mb up.  It clocked me going 19.2 down and 4.5 up. It then shows you a comparious vs average american households. 

Speedmatters.org promotes affordable high-speed Internet for all Americans. Working with partners and allies they advocate for programs and policies that build affordable, universal high-speed broadband investment.

Speedmatters.org is a project of the Communications Workers of America. CWA is the union for the Information Age, representing 700,000 workers in communications, media, airlines, manufacturing, and public service.