The article has been devoted to theoretical issues of the digital advertising sphere, its tasks and features. The online advertising market development level has been estimated, based on analytical data. Digital advertising is a complex of analytical, technological and supporting tools, which are interconnected directly. It includes a system of methods and tools, which use digital channels to promote a product or brand, attract and retain customers. The main areas of digital advertising are display advertising, banner advertising, video advertising and contextual advertising. Digital advertising is not limited by the Internet, but it uses other communication resources such as television, radio, telephone, direct sales and direct contact. A ...