Bottlenecks in systems or applications can slow performance, causing long load times and user frustration. In this article, we explore insights from Tesena’s performance testing experts, Tomáš Hák and Miroslav Renda, on identifying and resolving bottlenecks to ensure smooth system operations and a better user experience. We also cover common bottleneck sources, from CPU and memory issues to network constraints, and provide strategies for early detection and resolution through performance testing. Read on to discover how to keep your systems running efficiently and optimize performance to enhance user satisfaction.