Thematic justification is determined by the fact that in the conditions of the steady growth of mobile technology the youth accurately does not represent health promotion value when using the Internet at home, at school and other entertainment leisure recreation. With respect thereto this paper is aimed at monitoring general awareness of seniors and students on the importance of the health-promotion factor when they use the Internet in everyday life. The sample interview conducted for the period from 2010 to 2015 is provided in this paper. Schools beyond the river area and of Yakutsk, the Republic of Sakha (Yakutia), were included in the quota sampling. The main focus of study is aimed to clear a true picture of the awareness of Yakutian youth aged from 16 to 20 about the global Internet and its availability level. The second part of the study captures value judgments of seniors and their leading attitudes with respect to the computer and the Internet impact on health. "Strong", "average" and "weak" schools as for provision with the computer technology and the Internet were selected. All problems that were designated above are directed to implement preventive activities in educational institutions when using modern educational technology with connection to the Internet network. The paper data have practical value in analyzing modern technologies impact on personal formation of youth in the conditions of information society.