What are some common performance issues in Express.js?
Some common performance issues in Express.js include middleware bottlenecks, unoptimized database queries, and excessive logging.
How can I identify these bottlenecks?
You can use profiling tools like Node.js built-in profiler, or third-party tools like New Relic to monitor performance.
What are some best practices to improve performance?
Best practices include using caching, optimizing middleware, and minimizing synchronous code execution.
Are there any specific libraries you recommend for performance optimization?
Yes, libraries like Redis for caching, and compression middleware can significantly enhance performance.
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