SEO Glossary: W
W3C-compliant : Following HTML standards set by the World Wide Web Consortium (W3C).
Web analytics: The study of visitor activity on an individual Web site.
Web history : The complete records of a user’s previous Google searches and the Web sites they’ve visited or bookmarked.
Web metrics : The measurement of what's happening on the Internet, such as the number and types of people online; the number of broadband versus dial-up connections, advertisers, and advertisements (shapes, sizes, level of annoyance); and all things related to the Internet as a whole.
Web ring : A collection of Web sites from around the Internet that join together through interlinking in a circular structure.
Web server : The combination of software and hardware that runs a Web site. A Web server receives each user request and serves back the requested pages to the user’s browser.
white list : A list of Web sites or agents (such as spiders) that are approved to enter a Web site.
widget : A piece of HTML code that can be embedded in a Web page and that a user can interact with.
wiki : A type of information site that contains all user-generated content, such as Wikipedia.
World Wide Web Consortium (W3C) : An international consortium where member organizations, a full-time staff, and the public work together to develop Web standards.