Comparative performance analysis of Express.js and Spring Boot in CRUD-oriented web applications

This study presents a comparative performance analysis of Express.js and Spring Boot in CRUD-oriented web applications. Three independent benchmark runs were executed for both frameworks using identical hardware, request patterns and load profiles. The results indicate that Express.js achieved lower global latency (avg ~10.5 ms vs. ~14.6 ms) and comparable throughput with slightly higher stability. CRUD-level measurements showed lower latency values for Express.js across create, read and update operations, with the most notable differences observed for delete requests. System-level metrics indicate lower CPU and memory consumption for Express.js. The findings are consistent with the characteristics of lightweight, event-driven architectures compared to JVM-based solutions in high-frequency CRUD workloads.