The article analyzes the essence of such important categories as Internet marketing and online communication. Factors, both external and internal, have been identified that have a large impact on these categories. The conditions of the modern market and the situation caused by the COVID-19 pandemic were considered. The development of information technology provides an opportunity to create a virtual environment that has its own characteristics: it is dynamic business and the lack of territorial boundaries. These features of cyberspace enable enterprises to work and make a profit despite the COVID-19 pandemic and quarantine restrictions, transform and dynamically develop modern business processes, provide additional opportunities for their optimization and efficiency of the enterprise, create conditions for "flow" part business, and sometimes in general in a virtual environment, which will have a positive impact on business. The purpose of the study is to identify how the COVID-19 pandemic and quarantine restrictions affected the volume of services provided, etc .; what measures have been taken to increase profits in business. In the Internet environment today there is a huge number of potential customers in different market segments. The cost of communication with the audience in this environment is much lower, which is important in the current situation, with limited funds for businesses. Internet technologies give us the opportunity to work quickly with customers, providing their support. The efficiency of such work is increased due to fast communication with the client. The Internet offers flexible management of advertising communications. Thus even rather modest advertising budget guarantees the maximum return. For the current economic situation, Internet marketing is almost a panacea for advertising. And this applies to a variety of different areas of business. It is concluded, despite all the difficulties, more and more companies include Internet marketing in the list of tools used in the market. At the same time, an increasing number of companies use the Internet at all stages of their business activities. For many companies, the question is no longer whether to use the Internet, but what budget to allocate and how to allocate it.