September 8, 2010, 4:48 PM

Dell moves up in weekly m-commerce site performance index

Dell’s home page load time and success rate moved it to fourth place.

Dell shot up four places in this week’s Keynote Mobile Commerce Performance Index, greatly improving the load time and success rate of its m-commerce site. It ranks fourth behind QVC, and, which, like last week, came in first, second and third, respectively.

Dell’s index score is 815 on a 1,000-point scale, its m-commerce site taking on average 5.28 seconds to load the home page, and doing so successfully 98.97% of the time. The top performer, QVC, scored 953, as its m-commerce site home page loaded in 1.95 seconds, with a 98.6% success rate. Coming in at the bottom, received a score of 200, its mobile home page loading on average in 7.58 seconds, doing so successfully 94.29% of the time.

“We noticed that on one particular day in the middle of the week, had issues with site availability and it really drove down their combined score,” says Herman Ng, mobile solutions consultant at Keynote Systems Inc. “The reality is that it only takes one bad day from a customer’s point of view to have a bad mobile web experience.”

The index average score was 730, with a typical load time of 5.29 seconds and a success rate of 98.17%. Click here  and select Keynote Mobile Commerce Performance Index to see complete results for all 16 merchants for the week beginning August 30.

Keynote Systems, a mobile and web performance management firm, measures 16 representative m-commerce sites exclusively for Internet Retailer. The sites include merchants in various categories and channels, and of various sizes, ranging from such giants as and Walgreens to midsized retailers like Sunglass Hut and

Keynote repeatedly tests the sites in the index Monday through Friday from 8 a.m. through midnight Eastern time, emulating three different smartphones on three different wireless networks: the iPhone on AT&T, the BlackBerry Curve on Sprint and the Droid (which uses the Android operating system) on Verizon. Load times and success rates are equally weighted and combined to create the index score.

Retailers in the index include Barnes & Noble, Best Buy, Dell, Foot Locker, K&L Wines, QVC, Sears,, Sunglass Hut, Target,, Victoria’s Secret,, Walgreens, Ylang 23 and Your Electronic Warehouse.

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