Session Replay Tools: A Technical Buyer’s Guide and Comparison

Session replay tools bridge the gap in frontend debugging by reconstructing user interactions, allowing engineers to see the exact sequence of events leading up to an error rather than just a stack trace. The article emphasizes that these tools are most effective when integrated with backend telemetry, such as logs and traces, to enable direct correlation between user behavior and root causes. It provides a comparative framework for evaluating various platforms—including New Relic, FullStory, and Datadog—based on their observability depth, privacy controls, and technical suitability.