Accessibility port intrinsically two types of benefits a direct and indirect. Directly brings the benefit of users because of enlargement operate, as well nell’abbattere technological barriers that do not allow users with disabilities to enjoy the web pages, in simplifying the same interfaces. This simplification also allows the integration of that portion of the population suffers from so-called digital divide, such as elderly people, foreigners or people from low cultural level.

The indirect advantage of accessibility is asking that the application of the main web standards that allow the separation of content from presentation or independence of events in javascript integrate all those users who have navigation software obsolete, slow connections, sailing in difficult conditions, or who use mobile phones or PDAs. This advantage also has repercussions on greater maintainability of sites and index in search engines.