Most teams think their backend is slow because of “bad code.” 90% of the time, the real issue is hidden: 1️⃣ Unoptimized database queries Fix: Add indexing, reduce nested queries, batch requests. 2️⃣ Wrong caching strategy Fix: Redis for read-heavy systems, Memcached for distributed performance. 3️⃣ Too many microservices Fix: Merge low-value services → reduce network hops → reduce latency. Small fixes → huge performance gains.
Why Your Backend May Be Slow and How to Fix It
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