A methodological basis for building a decision support system for the promotion of commercial online resources using social media technologies was developed by the authors in the article. An analysis of the features of search engine promotion using social networking technologies and services has been carried out, which revealed that, currently, the implementation of the latter requires the use of new approaches to promotion. An analysis of SMOs and SMMs promoted models was carried out, which allowed us to identify the main factors that are used to promote commercial online resources.
The article reveals the history of formation, current state and peculiarities of the development of the Ukrainian blogosphere. The author analyzes the types of blogs and describes the source-study potential of the blogosphere for historical and cultural studies. The content of new online projects, which contains important information about contemporary history and culture, raises up-to-date historical and cultural issues.