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A plugin is a small piece of software, which adds features to and interacts with larger ones. Common examples are plugins for the Netscape browser or for a web server. The users may install the few plugins they need.

Common Gateway Interface (CGI)

CGI (Common Gateway Interface) is a program, which takes data from a web server and modifies it, e.g. converts forms into e-mail messages, or transforms keywords into database queries.

HyperText Markup Language (HTML)

HTML (HyperText Markup Language) is a programming language used for the purpose of creating web pages. HTML files are designed so as to be viewed using a web browser such as Microsoft Internet Explorer, Mozilla Firefox, Opera, Netscape Communicator, etc.

HyperText Transfer Protocol (HTTP)

HTTP (HyperText Transfer Protocol) is a method for moving hypertext files across the Internet, and involves a web browser and a web server. HTTP is the most essential protocol used on the Internet.


Unix (trademarked as UNIX) is the computer operating system, which is derives from the original AT&T Unix, development starting in the 1970s at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. It is one of the most common online server operating systems, if not the most widely used one, offering TCP/IP built-in support, and is devised so as to...

Uniform Resource Locator (URL)

A URL (Uniform Resource Locator) designates the address of any given resource on the Internet. The most standard way to use a particular URL is to type it into a web browser.


A link is a connection between text or pictures located on a given web page and another web page. In a typical web page, text links are shown in a different colour and/or are underlined. When you click on a link located on a certain web page, it immediately takes you to another web...

Internet Protocol Address (IP Address)

An IP Address (Internet Protocol Address) represents a numeric address, which contains four parts separated by dots of the following kind: Every machine connected to the Internet possesses a unique IP number. Your hosting plan comes with shared IP addresses (each belonging to the server DNS). You can request a dedicated IP address...

Simple Mail Transfer Protocol (SMTP)

SMTP (Simple Mail Transfer Protocol) is the principal protocol used for the purpose of sending electronic mail across the Internet. You can use the shared SMTP, or, in case it is blocked by your Internet Service Provider (ISP), you can ask them to provide you with their SMTP server. While POP and IMAP are...

Page Ranking

Page ranking is a means of listing page hits retrieved via an online search query in order of relevance, and is defined by the major search engines such as Google, Yahoo, Alexa, MSN, etc.