: When designing an interactive application where the main users are children, a set of special needs must be taken into account. Usability and Accessibility are two important issues to consider with especial care in this sector of the population. This paper explains the adaptations that must be introduced in the evaluation methods applied to children and what type of evaluation methods are the most recommended for this kind of user. In conclusion, this paper is a compendium of HCI evaluation techniques, based on a real project which must be considered when developing a website focused on children.