A standardized speed test for OpenDNS would be difficult since physical locations, ISPs and other setup factors vary. That’s why we value independent speed testing of OpenDNS so much.
I tested that claim from my home base in India. After switching to OpenDNS, content-laden Web sites like news.com, cnn.com, bbcworld.com, and myspace.com loaded a lot more quickly, ping times were considerably lower, and query response times (measured with dig -x site ) to news.com, lxer.com, osnews.com, distrowatch.org, and bbcworld.com were lower by 10 to 25% compared to times when I was using my ISP’s DNS.
That shoots holes in the idea that OpenDNS is only faster if you’re in the U.S. or U.K.