This diploma thesis deals with electronic educational portals and their applicability in the area of ICT. The aim is to determine key knowledge and skills of ICT professionals and assign those to courses from educational portals. The work is divided into theoretical and practical part. The theoretical part consists of definitions of issues elaborated in this work. The particular attention is paid to education and e-learning. Practical part seeks to match key professional knowledge and skills with each ICT professions. In this part graduates'depth of knowledge and skills required by employers are also described. The employers' requirements date to years 2006 and 2010. In the end of the thesis educational portals with most extensive supply of ICT courses in the Czech Republic are listed. From the supply of portals are chosen those courses which follow the knowledge from previous chapters. Consequently, these portals are compared.