An internet connection is now a basic requirement for even the smallest company. Almost all potential customers of small and medium-sized enterprises (SMEs) now use the internet at least for informational purposes. But how does one establish an online presence? Are extensive programming skills necessary? How should the websites be maintained? What is online marketing? Small businesses, which often employ generalists rather than IT specialists, struggle with these questions. The owner must, in addition to their daily business, familiarize themselves with complex design, legal, and technical topics in order to find suitable solutions. It becomes clear that different business management principles must be applied for the management of small and medium-sized enterprises compared to large companies. This work aims to address these issues specifically.