Internet search engines like Google and AltaVista help users find web pages on a given subject. The search engines maintain databases of web sites and use programs often referred to as "spiders" or "robots", to collect information, which is then indexed by the search engine. Once sites have been indexed the search engine uses this information where relevant, to help people to find those sites.

A shopping cart is a piece of software that keeps track of all the items that a buyer wants to purchase while on an e-commerce site, and then presents theses items when the user asks for them. It can be confused with a product managements system where you enter all your products and display them on your site, but its just the mechanism whereby people can add items from your product database to a list and remember them at the time of purchase.

SQL is a standardized query language for requesting or updating information to and from a database, it is pronounced either see-kwell or as separate letters.

SSI stands for Server Side Include. It is a method of invoking script programs that run on the web server to instruct the server what to include in a dynamically generated Web page by inserting code into a template web page.

The Secure Sockets Layer (SSL) is a commonly-used protocol for managing the security of a message transmission over the Internet. It is used in conjunction with the HTTP protocol and is know as HTTPS which also includes the use of a digital certificate.

Detailed information regarding your web site, including the number of hits, the source of those hits, most popular pages and amount of data transferred, as well as other useful information.

A domain name created by adding a prefix to an existing domain name. For example “support.redpebble.ie” is a subdomain of “redpeble.ie”.