Speed, reliability of e-commerce sites crucial for retailers this Black Friday, Cyber Monday amid sharp competition for consumer dollars in tight economy, reports Keynote Systems

SAN MATEO, California , November 18, 2011 () – Keynote ® Systems (NASDAQ:KEYN), the global leader in Internet and mobile cloud monitoring and testing, today announced that it will closely monitor the speed and reliability of Web and mobile sites of leading retailers on Black Friday, Cyber Monday and throughout the 2011 holiday season. With U.S. economic conditions weak and as some leading retailers announced that they will open their doors on Thanksgiving Day this year, the online competition for tight consumer dollars will be sharper than ever. A slow or non-performing Web or mobile site can easily mean tens of millions of dollars in lost business with consumers taking their online dollars elsewhere.

And this year mobile Websites are expected to be under more pressure than ever before to perform fast and reliably given a new report from InMobi which reports that Black Friday and Cyber Monday will see an estimated 60 million consumers using their mobile devices to shop, research purchases or seek retail information.

Media and analysts interested in receiving regular updates regarding how popular Web and mobile e-commerce sites perform during this period of time and/or to schedule an interview on Black Friday, during the weekend and/or on Cyber Monday should e-mail their request to Dan Berkowitz at dberkowitz@keynote.com and to Ronjini Mukhopadhyay at rmukhopa@keynote.com.

Data for Keynote’s reporting on Web and mobile site speed and reliability is collected using the company’s market-leading Keynote Transaction Perspective® and Keynote Mobile Web Perspective® services, respectively.

The basis for Keynote’s reporting on site performance to media and analysts during the 2011 online holiday shopping season is based on its 24/7 connected retail indices:

Apparel:

http://www.keynote.com/keynote_competitive_research/performance_indices/retail/retail_apparel_index.html

Books-Music-Video:

http://www.keynote.com/keynote_competitive_research/performance_indices/retail/retail_books_index.html

Electronics:

http://www.keynote.com/keynote_competitive_research/performance_indices/retail/retail_electronics_index.html

And its mobile commerce retail index:

http://www.keynote.com/keynote_competitive_research/performance_indices/mobile/retail/index.html

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

About Keynote Systems

Keynote Systems, Inc., (NASDAQ:KEYN) is the global leader in Internet and mobile cloud monitoring and testing. Keynote maintains the world’s largest on-demand performance monitoring and testing infrastructure for web and mobile sites comprised of over 4,000 measurement computers and mobile devices in over 275 locations around the world that enable companies to continuously improve the online and mobile experience. Known as ‘The Mobile and Internet Performance Authority™, Keynote offers three market-leading product platforms:

Keynote Perspective® provides on-demand performance monitoring for enterprise web and mobile sites including online portals, e-commerce sites and B2B sites. Over 2,000 customers rely on Keynote Perspective services to know precisely how their websites, content, and applications perform on actual browsers, networks, and mobile devices.

Keynote DeviceAnywhere™ is an enterprise-class, cloud-based, mobile application lifecycle management (ALM) testing & quality assurance platform. It is used by over 1,000 mobile developers and enterprises to deliver mobile applications, content and services faster while reducing downtime and testing costs.

Keynote SIGOS™ offers active end-to-end Quality of Service (QoS) testing and monitoring solutions for mobile, fixed and VoIP communications. Its SITE and Global Roamer products are used by over 200 network operators, content providers, carriers and regulators in over 100 countries worldwide.

Keynote's 4,000 customers represent top Internet and mobile companies and include American Express, AT&T, Disney, eBay, E*TRADE, Expedia, Google, Microsoft, SonyEricsson, T-Mobile and Vodafone. Keynote Systems is headquartered in San Mateo, California and can be reached at http://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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