Web Technologies Overview

A quick and simple overview about some of the basic web technologies.

JavaScript - Script programming language. Although the name 'JavaScript', it is not related with Java, but can be used with Java web solutions too. JavaScript code run in the browser (client-side).

HTML - Hiper Text Markup Language, one of the oldest and yet used web programming language. It's used to create the basic elements of websites using what is called of 'tag'.

CSS - Cascade Style Sheet, used to customize the websites visual elements, like size, font, color, position and so on. Act as a complement for HTML technology separating the visual aspects from the HTML tags. Example can be seen here.

XML - Extensible Markup Language, is a markup language that defines a set of rules for encoding documents in a format which is both human-readable and machine-readable.

AJAX - Asynchronous JavaScript and XML, it's a technology used on the client-side to do asynchronous requests for the application server and then update the user screen, without the need to reload the whole page.

JSON - JavaScript Object Notation, simpler alternative to XML that contains data objects consisting of attribute–value pairs, used a lot with REST web services to exchange data.

XHTML - Extensible Hypertext Markup Language, a kind of webpage that mix XML with HTML, used for example on JSF pages.