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Performance Index: Top Retailers

The Keynote Top Retailers Performance Index benchmarks the home page performance of the leading online retail sites. Measurements are taken from the ten major U.S. metropolitan areas (Boston, Chicago, Dallas, Detroit, Houston, Los Angeles, New York, Philadelphia, San Francisco, and Washington, D.C.) on high-speed links attached to key points on the largest U.S. Internet Service Provider (ISP) backbones.

Sites may be temporarily removed from published results due to insufficient data points for a particular week.