December 4, 2007, 12:00 AM

New index tracks performance of mobile web sites

Keynote Competitive Research has announced the first results of a new weekly mobile web performance index. The index measures and ranks the response time, download speed and success rate of well-known mobile web sites.

 

Keynote Competitive Research, the industry analysis group of online testing and measurement firm Keynote Systems, has announced the first results of a new weekly mobile web performance index. The index measures and ranks the response time, download speed and success rate of well-known mobile web sites.

The Keynote Mobile Index, U.S., is a competitive performance index for 10 of the most widely known U.S. mobile web sites. The first set of results, which measured performance of sites from Nov. 19 through Nov. 26, show that these companies still are perfecting their mobile offerings’ performance, Keynote Systems says. Google’s mobile web site, for example, led in response time but placed in the bottom half for download speed.

“Not only are we seeing sites leading in one area and trailing in another, but in our preliminary data we also noticed sites are evolving, with regular changes in their response times, availability and success rates,” says Manny Gonzalez, senior director of mobile technologies at Keynote. “Clearly, companies still are struggling to perfect their mobile offerings.”

Response time is the average time in seconds it took to download a mobile web site to a mobile phone. Google’s mobile site topped this category at 6.62 seconds. Following Google were: Facebook, 6.73 seconds; Schwab, 7.12 seconds; Fandango, 7.44 seconds; The Weather Channel, 8.40 seconds; Yahoo, 9.1 seconds; CNN, 10.23 seconds; Mapquest, 12.27 seconds; MSN, 12.50 seconds; and ESPN, 15.17 seconds.

Download speed is the average speed at which a mobile web site downloaded to a mobile phone. CNN led this category at 2,368 bytes per second. Following CNN were: ESPN, 1,756 bytes per second; MSN, 1,484 bytes per second; Mapquest, 1,217 bytes per second; Yahoo, 1,060 bytes per second; Google, 1,009 bytes per second; Fandango, 996 bytes per second; The Weather Channel, 886 bytes per second; Schwab, 883 bytes per second; and Facebook, 693 bytes per second.

Success rate is the percentage of time a mobile web site successfully downloaded complete content to a mobile phone. Facebook topped this category at 99.23%. Following Facebook were: Google, 99.23%; CNN, 98.99%; Yahoo, 98.97%; The Weather Channel, 98.27%; Schwab, 98.12%; ESPN, 98.11%; Mapquest, 97.88%; Fandango, 97.70%; and MSN, 97%.

 

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