This article analyzes the potential of WEB 2.0 services for foreign language teaching. The aim of the research is to find out the possibilities of WEB 2.0 services usage for effective organization and realization of students' independent work (individual and group work). For this purpose, 266 sites with the potential to be used for foreign language teaching were selected and analyzed. As a result, the types of WEB 2.0 services that can be used for independent work on a foreign language have been selected. For each type of service, the possibilities for individual and group work were considered. In the article conclusions were made about the effectiveness of using WEB 2.0 services as a way to organize and implement students' independent work on a foreign language.