Short portrait of the project: Professional experiences abroad and the related possibility to develop intercultural competence has played an important role within an internationalized world of work for a long time now. The project webLab - Development of competence in a web-based laboratory enables young students to already gain experiences abroad through a professional internship in a European partner country during their vocational education training. But more than this, with webLab it shall be also able to succeed an integration of the professional internship abroad in the development process of professional action competence. Thereby, both curricular and individual learning goals shall be integrated. In addition to the realization of an internship abroad it also requires a goal-oriented preparation and postprocessing. It can be constituted, that a particular challenge is the students’ distance from home and the immersion in a foreign culture. An individual support is ensured by involving a weblog. On the one hand the young people use this webbased tool to document their internship experiences and on the other hand it enables teachers to manage the internship in process through individualized tasks. With this medium it is also possible to communicate and solve appearing problems promptly. On completion of the internship the interns receive a significant certificate. The teachers who are involved in the project are prepared for the media- and professional-didactic challenges of a webbased internship abroad in the context of continuing education. Their experiences from the test phases of the webLab-concept successively flow into the further development.