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Four of the top five retailers move up one position, keeping pages light.
StrandBooks.com, Dell Inc., Walgreen Co. and Barnes & Noble Inc. all moved up one position on this week’s Keynote Mobile Commerce Performance Index, keeping them in the top five mobile performers. Toolfetch.com LLC dropped four spots from its No. 1 berth last week to No. 5. All five registered a score greater than 800 out of 1,000. A score is created by equally weighting then combining the time it takes to download an m-commerce site home page (load time) and the number of times the mobile home page downloads correctly (success rate).
When it comes to achieving a successful load time, several variables come into play because of the nature of wireless networks.
For the week ending April 1, StrandBooks.com’s m-commerce site home page downloaded on average in 3.93 seconds and did so successfully 99.00% of the time, earning a score of 931. Dell had a load time of 3.95 seconds and a success rate of 98.88% for a score of 915. And Walgreens had a load time of 4.60 seconds and a success rate of 98.71% for a score of 823.
Click here then click on Keynote Mobile Commerce Performance Index to see this week’s complete results for all 15 retailers on the index.
Keynote Systems measures 15 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 Sears Holdings Corp. and Foot Locker Inc. to midsized retailers like Sunglass Hut and K&L Wine Merchants. 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: Apple Inc.’s iPhone on AT&T, the BlackBerry Curve on Sprint and the Droid (which uses Google Inc.’s Android operating system) on Verizon.
Keynote combines a site’s load time and success rate, equally weighted, into a single score. Given both performance and availability are important, the score reflects the overall quality of the home page; a higher score indicates better performance. Scores also reflect how close sites are to each other in overall quality. The index average score is the midpoint among all the sites’ scores.