When it comes to influencer marketing, many still think of pure product placements on social media and the arbitrary dispatch of products to influencers. But those times are long gone! If you want to operate successful influencer marketing, as a brand you not only have to develop creative concepts and strategies, but also evaluate and analyze the implemented measures at the end. This is the only way to generate important learnings and measure success. The key performance indicators (KPIs) defined in advance, which make the performance of the influencer and other measures visible, are decisive for checking success. In the following we explain the most important KPIs in influencer marketing.