This manual provides you with the practical knowledge needed to optimally present your medical society or association online. It covers the basics of online marketing, including topics such as websites, SEO, blogging, and social media marketing. Here, you will learn which measures you can successfully implement and how. Your potential members are online - are you? Achieve the greatest benefit from your online marketing with minimal effort. The following topics await you in this practical manual: marketing fundamentals, including concepts and corporate identity, with a focus on the medical market; proven traditional marketing measures, such as press work, newsletters, and building and maintaining networks; everything about your online business card: the website; how to be found: tips for search engine optimization (SEO); an introduction to current social media platforms like Facebook, Twitter, and others.