In conclusion, the principles used to construct a building are not very different from those which arise in the process of developing a web site. The sites must be designed based on the needs of the people who will use them, in the same way that buildings must be designed in relation to the needs of its occupants. In buildings the handles of the doors are at a specific height so your hands can reach them. Web sites navigation menus should not be different... should be where people need them. The design of web sites as well as in the design of buildings, requires a firm understanding of the technologies applied. In building design knowledge are on the structural properties of materials, electricity, mechanics, plumbing, etc... web development programming and structure of databases, the Protocol TCP/IP, the HTML language and many others require knowledge of languages. Finally, work coordinated by the architect Web programmers, web designers and content creators, will achieve that people can use your web site and to meet the business purpose for which it was built.