[August 23, 2011]

Keynote Systems and Wireless Week Launch New Mobile Performance Index

Keynote Systems (NASDAQ: KEYN), the global leader in Internet and mobile cloud monitoring, today announced its partnership with leading wireless industry publication Wireless Week to publish its newest Mobile Index, tracking the performance of leading mobile news and portal sites.

In a survey conducted by Keynote and sponsored by Adobe, more than 65 percent of mobile users access news and portal websites as their primary activity on their mobile phone.* With smartphones projected to dominate the U.S. market by the end of 2011 according to Nielsen, content publishers need to adapt to the mobile environment, optimize the user experience and continually measure performance to stay on top of leading brands.

"Keynote's mobile monitoring data provides an in-depth look at the performance of some of the biggest players on the mobile Web," said Andrew Berg, senior editor at Wireless Week (News - Alert). "We chose Keynote as a partner because of their expertise in understanding mobile website performance. They have helped us to bring awareness to what's really going on for consumers using smartphones today."

"Benchmarks for mobile website performance have yet to be fine-tuned and widely adopted in the industry," says Anshu Agarwal, vice president of marketing at Keynote. "By creating an ongoing public benchmark, Keynote and Wireless Week are setting an industry performance standard for the mobile Web experience."

The mobile index will appear regularly in Wireless Week tracking the performance of leading mobile websites and Keynote experts will provide analysis, tips and techniques for improving mobile performance.

Keynote monitors mobile sites in the index on an hourly basis from multiple locations on four US wireless networks using the browsers of four popular smartphones: the iPhone 4 on AT&T, the HTC EVO (Android) on Sprint, the Motorola Droid X (Android) on Verizon Wireless (News - Alert) and the BlackBerry Curve on T-Mobile.

The data is collected from San Francisco, New York, Dallas and Chicago and is then aggregated to provide an overall average in terms of both speed and reliability.

Keynote Mobile Index for News and Portal sites - July 2011

According to the July index report supplied to Wireless Week the mobile sites of Facebook, Google and Bing had the fastest load times for the period. And MSNBC, The Weather Channel, Yahoo and Facebook had the highest success rates (a measure of the site's reliability). Success rate is the percent of tests that result in the complete and accurate loading of the home page. Faster load times and high success rates are the two critical technical metrics used to understand the end user experience. For news and portal sites, good experiences lead to increased user impressions and brand loyalty.

"The fastest and slowest mobile websites on our July index differed by a factor of five, a significant difference in the user experience," says Herman Ng, mobile performance evangelist at Keynote. "The index average for reliability went down four percent compared to the previous month. That means that, on average, the mobile websites on our index were not accessible for more than 20 hours during the month. Whether it happened over the month or one day; imagine how you would feel if this was a site you frequented regularly. Would you stick around or find another source for your news? It shows how far we still have to go when it comes to the speed and reliability of mobile websites."

Keynote Mobile News & Portal Index, July 2011 Results:

Benchmark Lessons

Using raw monthly performance data, Keynote's monthly feature in Wireless Week provides deep insight into why some mobile websites continue to shine while others struggle to meet user expectations. Companies ranked within the Keynote Mobile Index for News & Portal Websites can easily track their averages in terms of speed and reliability and take action to make improvements over time.

The July 2011 report demonstrated how having smaller page sizes and a smaller number of page elements resulted in faster page load times. Facebook and Google came out on top by keeping a light mobile home page. While improving a site's aggregate score over time is an important goal, it's arguably more important to improve in comparison to the industry as a whole. To read the entire Wireless Week article and mobile index analysis from July 2011, read here.

The charts published in this release reflect July 2011 monthly index results. Keynote also publishes weekly results, throughout the month on its own website. To subscribe to Keynote indices, register online.

Follow Keynote on Twitter at: http://www.twitter.com/KeynoteSystems and http://www.twitter.com/Keynote_Mobile

*Source: Adobe Mobile Experience Survey: What Users Want From Media, Finance, Travel & Shopping, Survey Conducted by Keynote on Behalf of Adobe Systems (News - Alert), Inc, October 2010.

About Keynote

Keynote Systems (NASDAQ:KEYN) is the global leader in Internet and mobile cloud monitoring. We provide companies with solutions for continuously improving the online experience. Founded in 1995, Keynote delivers testing, monitoring and measurement products and services for any enterprise including online portals, e-commerce sites, B2B sites, mobile operators and mobile infrastructure providers. Keynote products and services help companies improve customer experience in four areas: Web performance, mobile quality, streaming and real user experience testing.

Known as The Mobile and Internet Performance Authority™, Keynote has a market-leading on-demand infrastructure of over 3,000 measurement computers and mobile devices in over 240 locations around the world. Keynote's 2,800 customers represent top Internet and mobile companies including American Express, AT&T, Disney, eBay, E*TRADE, Expedia, Google, Microsoft (News - Alert), SonyEricsson, T-Mobile and Vodafone.

Keynote Systems, Inc. is headquartered in San Mateo, California and can be reached at www.keynote.com or by phone in the U.S. at 1-800-KEYNOTE.

Keynote®, DataPulse®, CustomerScope®, Keynote CE Rankings®, Keynote Customer Experience Rankings®, Perspective®, Keynote Red Alert®, Keynote Traffic Perspective®, Keynote WebEffective®, The Internet Performance Authority®, MyKeynote® , SIGOS®, SITE®, Keynote™, The Mobile & Internet Performance Authority™ and Keynote FlexUse™ are trademarks or registered trademarks of Keynote Systems, Inc. in the United States and/or other countries. All other trademarks are the property of their respective owners. © 2011 Keynote Systems, Inc.

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