Computer technology has long been an integral part of our lives. The information resource of mankind is constantly growing, being updated and replenished, and benefits professionals of any specialization. Currently, the Internet has turned into a vast information space, into an immeasurable repository. In this repository, information of various kinds (scientific, business, educational, text, audio and video information) is publicly available and is constantly being enriched, there are virtual archives, libraries, and news feeds. The worldwide information network has connected not only individual researchers, but also numerous scientific organizations around the world. The object of the research is the analysis of Internet resources and the application of their potential in the field of historical knowledge. The subject of the research is the analysis of the Internet as a modern information environment of historical science, the use of Internet capabilities in historical research, as well as in historical education. The following methods were used in writing the work: historicism, historical-comparative, historical-genetic. This made it possible to discover potential Internet resources in the field of historical research. When writing the work, the author conducted a study, during which more than 300 sites and Web pages on the history of Russia and world history, located on various servers, were analyzed. The author gave a description of the main groups of sources represented on the Internet, and proposed his own classification of professional resources. He also focused on the characteristics of resources created by Academic organizations, the search for special articles and books, historical multimedia resources, collections of encyclopedias and dictionaries, anthologies, the use of blogs and forums, as well as file-sharing networks to search for historical information. Internet bibliographic resources, electronic catalogs, and meta-search bibliographic systems are also highlighted. Special attention is paid to the methods of more effective search for historical information, a new search concept is proposed.