August 10, 2011, 11:17 AM

Apple, Overstock and Williams-Sonoma top availability tests

The three retailers shared the lead in July availability testing, says Compuware Gomez.

Lead Photo, and placed first among large retailers in July web site availability tests, says Compuware Gomez. Last month, online shoppers using Internet Explorer could access 100% of the time. and tied with the top availability ratings—99.99%—in Firefox testing., and tied for second in Internet Explorer tests with a score of 99.99% availability, and three tied for fifth place at 99.98%:, and

In Firefox testing, and tied for third place at 99.98% availability, and and tied for fifth at 99.95%.

The average Internet Explorer availability for the 19 retailers measured in July was 99.85%, according to the Compuware Gomez Benchmarks study. The average Firefox availability for the same group of retailers last month was 99.76%.

Availability represents the percentage of tests that correctly load.

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