ADVISORY/Mother's Day Web Site Performance and Fulfillment to Be Measured by Keynote.

Business Editors, High-Tech Writers

ADVISORY...for Tuesday (May 16)

--(BUSINESS WIRE)

    Note to press and analysts: Call Keynote's media and
    analyst-relations hotline at 650/522-1234 to request more
    information or an interview. To be added to Keynote's press
    release distribution list, send an email to [e-mail].

    Call Press Hotline at 650/522-1234 To Get Results

What: Mother's Day Web Performance and Fulfillment Report --
    Mother's Day this year promises to test the performance and
    fulfillment quality of service capabilities of major e-commerce
    sites for users ordering gifts. Timely order fulfillment proved to
    be a challenge for many online merchants during the 1999 Christmas
    holiday shopping season, as well as for Valentine's Day this past
    February. Keynote (Nasdaq:KEYN), the Internet performance
    authority(R), will measure and report on the performance and
    fulfillment ability of chocolate, flower and greeting-card
    companies to ship online orders in time for Mother's Day on
    May 14.

When: Complete results will be available on Tuesday, May 16 on
    Keynote's Web site at www.keynote.com and on the performance
    Hotline at 650/522-1234. To receive an automatic email summary
    of Keynote's Mother's Day Web Performance and Fulfillment results,
    send an email request to [e-mail].

How: For Performance: Keynote will measure the speed and availability
    of the major Mother's Day gift sites every 15 minutes between
    5:00 a.m. to 9:00 p.m. Pacific time, every day from Friday, May 5
    until May 14, from 66 Internet access points in 25 metropolitan
    areas in the United States, a subset of Keynote's global network
    of measurement computers in over 120 locations around the world.

For Fulfillment: Keynote will place orders on each Web site on Wednesday, May 10 for delivery by May 14, and will track the time of delivery. Web sites measured for performance and fulfillment include the following:

Chocolate Sites:

Godiva -- www.godiva.com See's Candies -- www.sees.com Ethel M -- www.ethelm.com Chocoholic.com -- www.chocoholic.com

Flower Sites:

1-800-Flowers -- www.1800flowers.com FTD -- www.ftd.com Proflowers -- www.proflowers.com Flowersdirect.com -- www.flowersdirect.com

Greeting Card Sites:

Blue Mountain Arts www.bluemountainarts.com American Greetings www.americangreetings.com Hallmark -- www.hallmark.com E-Greetings -- www.egreetings.com

About Keynote

Keynote is the largest provider of Internet performance measurement, diagnostic and consulting services to companies that operate e-commerce Web sites. The company markets Keynote Perspective(TM), Transaction Perspective(TM), Consumer Perspective(TM), and Keynote Lifeline(TM), global real-time services that measure, assure and improve the quality of service of e-commerce Web sites around the world. The company captures over 24 million performance measurements daily using Keynote's global infrastructure of nearly 500 measurement computers connected to the major Internet backbones from over 120 statistically selected Internet access locations representing 50 metropolitan areas worldwide. Internet performance and availability data are collected at Keynote's sophisticated operations center and are instantly available to customers through any web browser.

Keynote customers include over 1000 leading e-commerce web sites and hosting companies including AdForce, Akamai (Nasdaq:AKAM), Amazon.com (Nasdaq:AMZN), Blockbuster (NYSE:BBI), Compaq Computer (NYSE:CPQ), Cisco Systems (Nasdaq:CSCO), Dell Computer (Nasdaq:DELL), Digital Island (Nasdaq:ISLD), Digex (Nasdaq:DIGX), DoubleClick (Nasdaq:DCLK), Exodus Communications (Nasdaq:EXDS), Global Center (GBLX), Microsoft (Nasdaq:MSFT), National Semiconductor (NYSE:NSM), Pets.com (IPET), SABRE Holdings (NYSE:TSG), UPS (NYSE:UPS) and UUNET (Nasdaq:WCOM).

For further information about Keynote, visit the Keynote web site at http://www.keynote.com or contact the company at Keynote Systems, Inc., 2855 Campus Drive, San Mateo, California 94403, telephone [phone], fax [phone], email [e-mail] or call Keynote's media and analyst-relations hotline at 650/522-1234.

NOTE: To request further information about Keynote or an interview, press should call the Keynote media relations hotline at 650/522-1234. To submit an inquiry or to be added to Keynote's press release distribution list, send an email to [e-mail].

Keynote, Perspective, Consumer Perspective, MyKeynote, Lifeline and The Internet Performance Authority are trademarks of Keynote Systems, Inc. Other trademarks are the property of their respective owners.