Ø Security: it is a fundamental aspect, specially if through the Web site we gather personal data. Ø Reliability: the infrastructura must be trustworthy, since it must give to service to the users during the 24 hours the 365 days of the year. Ø Scalability: the ignorance of the rate to that we can grow us must make decide on escalables systems that allow to be adapting the necessities and the investments to the real growth. Ø Speed of bandwidth access and: he is basic that the users can quickly sail by our Web site. This depends on several factors, some of them outside our reach, like the type of connection of the user. Even so, yes that we can affect the improvement of this speed in two scopes: with bandwidth adapted to the activity of our Web site and by means of a design of the site that does not slow down navigation. On the other hand, the possibilities that we must to establish this connectivity are: Ø own Equipment of hardware and in our facilities Ø own Equipment of hardware in the intalaciones of ISP (Housing) Ø Equipment of hardware of the exclusive ISP but for our company (dedicated Hosting) Ø Equipment of hardware of the shared ISP (hosting). Like always, all has advantages and disadvantages, and based on the reach of our strategy of marketing in Internet it will interest to us to decide on one or another option.