RxTx. Bandwidth is measured by downloading one or more HTTP files and averaging the received data rates.
You can specify a number of Internet addresses (or files) as they appear on your browser Address bar. The download speed is lower for binary files than for text (ASCII) files so you should choose both binary (.jpg, .gif, .exe, .zip) and text (.html, .asp, .txt) files for test. Note that when you have your modem compression enabled and download the main HTML file of a Web page you'll get the highest bandwidth for that particular site.
This is because the file is ASCII and also you get the server's attention. Namebench - Project Hosting on Google Code. Final list of nameservers considered: ------------------------------------------------------------------------------ 130.85.1.5 UMBC 5 US 56 ms | 208.67.222.220 OpenDNS-3 56 ms | www.google.com is hijacked: google.navigation.opendns.com 209.244.0.4 Level3-R2 62 ms | 216.146.35.35 DynGuide 63 ms | NXDOMAIN Hijacking 204.9.56.9 BroadAspect US 63 ms | 8.8.4.4 Google Public DNS- 64 ms | Replica of Google Public DNS [8.8.8.8] 208.67.220.220 OpenDNS 65 ms | www.google.com is hijacked: google.navigation.opendns.com 156.154.70.1 UltraDNS 67 ms | NXDOMAIN Hijacking 127.0.0.1 Localhost IPv4 68 ms | NXDOMAIN Hijacking (www) 209.18.47.61 RoadRunner NC US 68 ms | Replica of RoadRunner NC-2 US [209.18.47.62], NXDOMAIN Hijacking (www) 156.154.71.22 Comodo Secure DNS- 80 ms | NXDOMAIN Hijacking 209.18.47.62 RoadRunner NC-2 US 104 ms | (excluded: Slower replica of RoadRunner NC US [209.18.47.61]) - Sending 250 queries to 11 servers...
SiSoft Sandra.