DevMetrics focuses on monitoring real-world user experiences on web applications. It tracks Web Vitals metrics, JavaScript errors, and API performance to help developers identify and fix issues before they impact users significantly.

• •Collecting metrics without impacting application performance
• •Storing and querying high-volume time-series data efficiently
• •Providing actionable insights rather than just raw data

• •Created a lightweight monitoring script with batched reporting
• •Implemented data partitioning and retention policies in TimescaleDB
• •Developed an expert system that correlates issues with likely causes