Optimize My Web Site Dictionary

Vector Space Model - See: Term Vector Database.

Vertical Search - >A search service which is focused on a particular field, a particular type of information, or a particular information format.

For example, Business.com would be a B2B vertical search engine, and YouTube would be a video based vertical search engine.

Viral Marketing - Self propagating marketing techniques. Common modes of transmission are email, blogging, and word of mouth marketing channels.

Many social news sites and social bookmarking sites also lead to secondary citations.

See Unleashing the Ideavirus - free Seth Godin ebook about spreading ideas.

Virtual Domain - Website hosted on a virtual server.

Virtual Server - A server which allows multiple top level domains to be hosted from a single computer.

Using a virtual server can save money for smaller applications, but dedicated hosting should be used for large commercial platforms. Most domains are hosted on virtual servers, but using a dedicated server on your most important domains should add server reliability, and could be seen as a sign of quality. Dedicated servers usually run from $100 to $500 a month. Virtual servers typically run from $5 to $50 per month.

Visitor - A person who visits your website. Also known as a User.