Computers and other network devices need to communicate. A mechanism must make it possible for a computer to communicate with another computer on the same network or another network. The mechanism must ensure that a message moves from the sender to the recipient, enable the receiver to retrieve the message and send feedback, and acknowledge reception or failure of communication .
According to Microsoft – Official Home Page, some examples of web technologies include:
Mark-up languages including HTML, CSS, XML, CGI and HTTP;
Programming Languages and Technologies which help in creating applications for the web; some of the languages are Perl, C#, Java and Visual Basic .Net;
Web servers and server technologies which facilitate request handling on a network where different users have to share the same resources and communicate with one another;
Databases, which are crucial for data and information storage on a computer network; andBusiness applications customized for specific execution of tasks on a network.
In short, web technology provides a platform for effective communication among different users and devices on a computer network.