How big retailers measure up on mobile response time (in seconds)

Retailer iPhone (3 carriers)
Sears.com 2.27
Blockbuster.com 2.92
Rakuten.com 3.60
OfficeDepot.com 4.08
JCPenney.com 4.69
Williams-Sonoma.com 4.94
HSN.com 5.81
Walmart.com 6.85
BarnesandNoble.com 7.27
Saks.com 7.54
HomeDepot.com 7.75
Amazon.com 8.16
VictoriasSecret.com 8.28
Newegg.com 8.50
BestBuy.com 8.64
Dell.com 8.71
OfficeMax.com 8.72
Overstock.com 9.05
Gap.com 10.36
Abercrombie.com 10.84
Average 6.95

Compuware collected iPhone measurements for mobile sites on the following carriers: AT&T, Sprint and Verizon Wireless. Compuware measured response time as the end-to-end time elapsed while downloading each mobile site.