This bachelor thesis focuses on the analysis of channels on the YouTube social network, which are focused on video gaming content. The first chapter of the theoretical part describes social networks and their history. The second chapter explains what internet marketing is and its main tools. The last chapter of the theoretical part deals in detail with the YouTube social network. It describes history and the present of YouTube. It also explains how the YouTube Partner Program works and what other ways to monetize content on YouTube are. At the end of the theoretical part are tips for managing YouTube channel successfully. The practical part analyses selected YouTube channels that are focused on video gaming content and their videos. Based o...