Daily traffic to NBCOlympics.com peaked Feb. 21 at just over 2 million visitors, which was the highest traffic level reported among Olympics Web sites.
CNNSI.com's Olympic site came in second, with a peak of 683,000 daily visitors, and SaltLake2002.com placed third with 666,000 daily visitors.
However, NBCOlympics.com averaged a nine-second response time for the Web page to load, compared with a seven-second average response time from all other Web sites.
The overall average availability of URLs on the Olympics Web sites monitored was 99.2%. However, the overall availability of e-commerce transactions, such as ordering Olympics merchandise, was only 95%. --Kate Maddox