CommerceNet's Internet Research Center - Devoted to Internet related industry statistics gathered from various sites and press releases available online. Domain Name Statistics - Sale and bid prices of domain names sold in the past 6 months. Geography of the Internet - Data, maps and analysis on the geographic distribution of Internet domain names by city, region, state, and country. In greek and english. GVU Center's WWW User Surveys - Web survey data from the Georgia Institute of Technology.
Recent surveys contain special e-commerce sections.
Iconocast eMarketing Intelligence - Trend analysis and insider information on the internet marketing industry. The Internet Index - Internet statistics and more divided into issues. Updated irregularly, about twice-yearly. Internet Statistics - Provides approximations on the number of websites and users on the Internet. Includes insights and analysis of trends.