LONDON, ENGLAND (Nov. 17, 2005) WebSideStory® (Nasdaq: WSSI), a leading provider of on-demand digital marketing applications, today announced that Norwich Union, the UK's largest insurance provider, has selected its award-winning web analytics service to help improve the customer experience and generate more online sales. Norwich Union is part of Aviva, the world's sixth largest insurance group. The insurer will deploy HBX™ analytics on www.norwichunion.com and 15 other related sites. The company's group web solutions team will use HBX intelligence to measure and improve its online marketing campaigns, including keywords, e-mail and banner ads; and to streamline site navigation and increase conversions. The group will also use WebSideStory's visitor segmentation capabilities to better understand the behavior of its most valuable customers.

"Norwich Union continually strives to make its sites a seamless experience for customers," said Jason Bennett, senior web analyst for Norwich Union. "At the same time, we are also looking to increase the effectiveness of our online applications. HBX analytics will be an integral part of these initiatives, which we expect to significantly increase return on investment."

Norwich Union selected HBX because of its user friendly interface, detailed campaign analysis, real-time reporting, and the ability to roll up reports on multiple web sites into a global view.

"Norwich Union is one of the biggest brands in the UK and we are proud to count them among our growing list of UK and European customers," said Mark Wood, Sales Manager UK & Nordic for WebSideStory. "Improving the customer experience and generating more leads truly go hand in hand. The impact of web analytics on the online channel cannot be underestimated. WebSideStory is helping hundreds of major brands get more out of their online investment."

HBX is an award-winning, on-demand visitor analysis and reporting service that delivers up-to-the-second information about online visitor and customer behavior. HBX is part of WebSideStory's Active Marketing Suite™, the industry's first suite of integrated, on-demand digital marketing applications, including web analytics, site search, web content management and keyword bid management. For more information, please visit http://www.websidestory.com.

About WebSideStory
Founded in 1996, WebSideStory (Nasdaq: WSSI) is a leading provider of on-demand digital marketing applications that improve online marketing and sales. Its Active Marketing Suite(TM) consists of web analytics, site search, web content management and keyword bid management (scheduled for release in November). WebSideStory is headquartered in San Diego, California, and has European headquarters in Amsterdam, The Netherlands. For more information, contact WebSideStory UK. Voice: 020 7917 6280. Fax: 020 7917 6281. Address: 212 Piccadilly, London W1J 9HG. Web site: www.WebSideStory.com. HBX and Active Marketing Suite are trademarks and WebSideStory is a registered trademark of WebSideStory. Other trademarks belong to their respective owners.

Forward-Looking Statements
Statements in this press release that are not a description of historical facts, including our financial guidance, are forward-looking statements. You should not regard any forward-looking statement as a representation by WebSideStory that any of its plans will be achieved. Actual results may differ materially from those set forth in this release due to the risks and uncertainties inherent in WebSideStory's business including, without limitation: WebSideStory's reliance on its web analytics services for the majority of its revenue; blocking or erasing of cookies or limitations on our ability to use cookies; WebSideStory's limited experience with digital marketing applications beyond web analytics; the risks associated with integrating the operations and products of Avivo Corporation with those of WebSideStory; privacy concerns and laws or other domestic or foreign regulations that may subject WebSideStory to litigation or limit our ability to collect and use Internet user information; the highly competitive markets in which we operate that could make it difficult for WebSideStory to acquire and retain customers; the risk that WebSideStory's customers fail to renew their agreements; WebSideStory's recent achievement of profitability and the risk that it may not maintain its profitability; the risk that WebSideStory's services may become obsolete in a market with rapidly changing technology and industry standards; and other risks described in WebSideStory's Securities and Exchange Commission filings, including WebSideStory's annual report on Form 10-K for the year ended December 31, 2004 and [about to file new Q]quarterly report on Form 10-Q for the quarter ending June 30, 2005. Do not place undue reliance on these forward-looking statements which speak only as of the date of this news release. All forward-looking statements are qualified in their entirety by this cautionary statement, and WebSideStory undertakes no obligation to revise or update this news release to reflect events or circumstances after the date of this news release.

Published on: 12:00AM on 17th November 2005