CDN monitoring tools are crucial for ensuring optimal network performance and security, as they help manage the complex infrastructure of content delivery networks by analyzing metrics such as logs, latency, and bandwidth usage. These tools are essential for maintaining a positive end-user experience and mitigating risks like DDoS attacks by distributing traffic across numerous geographically dispersed servers. Without effective CDN monitoring, issues might go undetected until they cause significant performance degradation or downtime, increasing the Mean Time To Resolution (MTTR) and potentially driving users away. Tools like Coralogix, Catchpoint, KeyCDN, and ThousandEyes offer various functionalities, from real-time network health monitoring to synthetic traffic simulation and real user interaction analysis, which collectively enhance visibility and efficiency in content delivery. By converting logs into actionable data and providing real-time alerts for abnormal activities, these tools ensure that CDN operations are smooth and optimized, ultimately leading to improved user satisfaction.