Comparing Monitoring and Measuring in Page Speed Testing

The article discusses the importance of measuring and monitoring performance in web development and introduces DebugBear, a tool that offers comprehensive metrics for both measuring and monitoring performance over time. The author highlights the limitations of traditional performance measurement tools and explains the difference between measuring and monitoring performance.

The article then delves into the features and benefits of DebugBear. It emphasizes the value of having a high-level view of page performance through the tool’s dashboard, which provides score numbers, mini charts for various web vital metrics, and a filmstrip of the page rendering. The author also explores the different types of data used in performance testing, including lab data, real-user data, and real-user monitoring (RUM) data, and explains how DebugBear incorporates both lab and real-user scores to provide a more comprehensive analysis.

The article further discusses DebugBear’s comparison feature, which allows users to compare test results at different points in time, as well as its experiments feature, which enables users to make code tweaks and run tests to evaluate the impact on performance. The author also highlights the convenience of having all reports in one central interface and the added benefit of actionable recommendations for improving page speed performance.

In conclusion, the author encourages readers to explore DebugBear by creating a free account and shares their interest in hearing about readers’ experiences and use cases for the tool.