The objective of this chapter is to identify web accessibility problems in order to fulfill the design guidelines. According to the proposal, accessibility is assessed through easy checks of the implementation of the social engineering educational platform. As a first phase, the developer carries out this evaluation and his results are analyzed. The second phase solves the identified problems or at least tries to give them a solution implementing a redesign on the platform; in the same way, the results are analyzed. In the third phase, a proposal is made of the improvements that can be introduced in the redesign of the user interface in a way that best complies with the web accessibility. The problem identified shows the difficulty of implementing the accessibility guides and the need to propose accessibility implementation guidelines that guarantee their compliance.