May 31, 2006, 12:00 AM

The Top 500 Guide

(Page 4 of 4)

Visits and unique visitors. Official numbers were supplied by many retailers. When a retailer did not reveal figures, researchers used comScore, Nielsen/Net Ratings or Internet Retailer estimates. Retailers were given the opportunity to respond to estimates.

Conversion rates. In most cases, researchers used category data and analyst interviews to formulate estimates if a retailer did not reveal a number. Retailers were given the opportunity to respond to estimates.

Average ticket. If a retailer would not reveal an average ticket, researchers estimated the figure based on averages within a category and input from market analysts. Retailers were given the opportunity to respond to estimates.

Additional copies of The Internet Retailer Top 500 Guide to Retail Web Sites can be purchased at Internet Retailer’s web site (, by telephone (312-362-0804), by e-mail ( or through a written order to: Internet Retailer, 300 South Wacker Drive, Suite 602, Chicago, IL 60606. Single copies are $59 plus $6.95 for shipping and handling. Foreign shipping charge is an additional $5.95. Discounts on multiple copies are available upon request. Only orders accompanied by a credit card or check payment will be fulfilled. Electronic orders also can be placed online at

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