November 19, 2013, 5:09 PM

Dell and Apple lead October consistency tests

The retailers top Internet Explorer and Firefox consistency tests, respectively.

Jon Love

Associate Editor, Research

Lead Photo

Dell.com had the best consistency score for Internet Explorer testing among large retailers tested in October, says Compuware. Last month, the retailer had the most consistent Internet Explorer site loading time with a variation of only 0.50 seconds. Apple.com had the best Firefox consistency score at 0.43 seconds. The lower the variation, the more consistently the site loads.

Apple.com (0.59 seconds) placed second in Internet Explorer tests. Costco.com (0.71) came in third, Amway.com finished in fourth (0.91) and LLBean.com (0.96) came in fifth.

In Firefox testing, Amway.com came in second place behind Apple with a deviation of 0.75 seconds. Costco.com was third (0.79), Overstock.com fourth (0.85) and Dell.com (0.87) fifth.

The average Internet Explorer consistency score among the 22 retailers measured in September was 1.57 seconds. The same group of retailers produced an average Firefox score of 1.84 seconds.

The consistency ratings take into account differences in the speed of web page delivery across multiple visits.

Click here for full test results.

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