The world wide web is a group of web pages related between them with hypertext links.That forms a huge and complex web mail. A single click allow us to surf from document to another.From each document we can refer to different types of information: text, sound, video. In most cases,first sites were static, their principal aim were suggesting products and services. In the opposite, theweb pages feed actually more opportunities to make dynamic contacts with users, with allowing dataexchanges : from and to both sides (server and client).To establish this practices, distinct environmentand tools were developed such as: Script languages, Database servers,