Rails Performance Monitoring 101: A Primer for Junior Developers

This talk provides junior developers with the essential tools and knowledge to monitor and improve the performance of their Rails applications. It covers a top-down approach to triaging performance issues, discusses common misconceptions, and explores key areas like APM tools, N+1 queries, database indexing, and frontend performance metrics like Web Vitals. The goal is to equip developers with the skills to ensure their applications remain scalable and provide a positive user experience.