Frontend test failures often stem from network requests that time out, return errors, or yield unexpected data, necessitating manual investigation in both CI and synthetic monitoring. Replay automates this process by identifying network issues as the root cause of failures. Using an example from the Cypress Real-World App repository, a test initially passes, but fails after backend alterations, highlighting a timeout issue with a locator not matching elements. By comparing passing and failing test recordings, Replay automatically identifies missing elements and the network dependencies required for their creation. This involves analyzing dependency graphs to understand code execution relationships and pinpointing failed network requests that prevent the rendering of specific React components. The dependency graph serves as a potent tool for diagnosing and optimizing applications, offering precise insights into test failures. Replay invites further exploration into automated tools for diagnosing and resolving test failures, encouraging interested parties to reach out for more information.