Alexa the Web Information Company

Alexa - The Web Information Company. Services: Alexa Web Information Service - information about the Web available via amazon.com Web Services; Alexa Web Search Platform - build your own search engine; Alexa Toolbar - get information about each site you visit; Alexa Search Engine - built on the Alexa crawl; Alexa Site Info Pages - detailed information about Web sites, like traffic details, contact info, related links and more.