Cooperative Association for Internet Data Analysis - CAIDA collects, monitors, analyzes, and visualizes several forms of Internet traffic data concerning network topology, workload characterization, performance, routing, and multicast behavior..
ICT statistics - Statistics extracted from the ITU World Telecommunication Indicators Database, concerning the spread of information and communication technologies in over 200 economies worldwide.
Internet Demographics Directory - Directory of Internet demographics, user surveys, backbone/ISP reviews and Internet topology. Entries categorised and ranked..
Internet Domain Survey - Attempts to discover every host on the Internet by doing a complete search of the Domain Name System. Statistics available for free and commercially..
Internet Mapping Project: Map gallery - Contains graphical representations of the Internet. Looks like star maps, but with websites grouped by ISP..
Netcraft Web Server Survey - A monthly updated survey of web server software usage on computers connected to the Internet. Also surveys most popular websites, and top level domains..
Netvalley - IT history, reports, statistics and ranks..
Nielsen//NetRatings - Information on Website usage, internet access, and advertising data..
Security Space - Monthly published research reports covering issues like web server market share, popularity of web sites, and web authoring tools..
StatMetrix - Subscription service that provides monthly research reports and newsletters for global web activity, search engine use, web browser market share, operating systems, connection speeds, and mobile web trends..
WebHosting.Info - Provides statistics and research data about the Web services industry. Tracks over 35,000 Web hosting companies worldwide..
Zooknic Internet Geography Project - Data, maps and analysis on the geographic distribution of Internet domain names by city, region, state, and country..
NEC Study - Predicts competition and diversity on the web. (April 15, 2002).
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