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The retailers led in Internet Explorer and Firefox consistency tests, respectively.
Overstock.com had the best consistency score in Internet Explorer browser testing among large retailers measured in March, says Compuware Gomez. Last month, the retailer had the most consistent Internet Explorer site loading time with a variation of 0.78 seconds. Macys.com had the best Firefox consistency score at 0.53 seconds.
Dell.com placed second in Internet Explorer tests at 0.80 seconds, followed by Williams-Sonoma.com (0.86), Staples.com (0.90) and Macys.com (0.94).
In Firefox testing, OfficeMax.com garnered the second-best consistency score with a variation of 0.73 seconds. QVC.com was next (0.90), followed by Overstock.com (1.01 seconds) and Staples.com (1.17).
The average Internet Explorer consistency score among the 22 retailers measured in March was 1.25 seconds, Compuware Gomez says. The same group of retailers produced an average Firefox score of 1.81 seconds.
The consistency ratings take into account differences in the speed of web page delivery across multiple visits. Click here to see the full test results.