Observability in marketing is crucial for understanding user engagement and improving website performance, as it combines technical metrics with marketing data to provide insights into user behavior. Key metrics such as bounce rate, page depth, average session duration, returning visitors, and conversion rate are influenced by technical factors like page load time and website errors. By using tools like Tableau and platforms like Coralogix, which supports various data sources including .NET, NodeJS, and Java, companies can correlate these metrics to identify issues and enhance user experience. A high bounce rate or low conversion rate often indicates a need for technical or content improvements, while a low average session duration or page depth suggests that content may not be engaging enough. Combining technical and marketing data in a unified platform aids in pinpointing problems, allowing marketing departments to efficiently address them and improve business outcomes.