Objective assessment of the quality of available educational resources presupposes the existence of specific quality standards and specific evaluation tools which consider the specificities of digital products with educational ambitions. The study presents the results of research conducted on a representative sample of teachers who commented on issues related to the importance of measuring the quality of available educational resources and the hierarchy of the key characteristics of such devices. The research results clearly confirmed teachers' interest in knowing the quality of educational resources available and they requested a presentation of the resulting evaluation together with the methodological guidelines on a separate website. The teachers identified clearness, ease of use and adequacy of the educational content as the key and fundamental characteristics of such resources from a user perspective.