The future of Application Performance Optimization will likely use Machine Learning to solve problems before the user finds them. Meanwhile, how are companies coping in the present? Although a variety of tools offer visibility across networks, architectures, and devices, there are currently no holistic solutions. This Guide explores overcoming performance optimization and monitoring challenges in diverse situations. Learn to create a cost-effective test environment in the cloud or with new architectures and technologies, proactively prepare for catastrophic service disruptions, ensure your sequenced APIs are functionally correct with deep API monitoring, and more.