Quality models for Websites: theories and criteria of evaluation

Many approaches to Quality Models for Websites have individualized different characteristics which often make reference to few concepts, as Usability, Content, Navigability, Management and Relationality; these concepts in fact assemble characteristics which probably are not totally independent, and which, though presented with different labels, have similar meanings or recall the same concept. In this work a short survey is introduced about Websites Quality Models: for every Websites Quality Models, the characteristics and their meanings are considered. From the observation of these approaches, it is possible to define an "ideal" Quality Model, to be used as an operative reference, with defined goals and independent, comprehensible, adoptable, and measurable criteria