The consequences of poor application performance can be severe, including lost customers, team trust issues, and developer confidence problems. To mitigate these risks, developers often rely on application monitoring tools like Sentry, which helps them identify and fix errors more efficiently. By using Sentry's features such as error grouping and merging, prioritization by user impact and frequency, and automated release planning, developers can improve their application's performance and reduce the time spent on resolving issues. For example, Eventbrite used Sentry to create a list of prioritized errors, while Cloudflare set up an automated release plan to streamline its deployment process. Similarly, Volley improved its Apdex score and reduced launch times by optimizing its codebase with Sentry's performance monitoring features. By adopting Sentry, developers can gain complete visibility into their application's performance, identify issues quickly, and resolve them more efficiently.