Load Balancing WordPress: Architecture, Best Practices & Pitfalls

Illustration showing a load balancer distributing traffic between multiple WordPress servers, with caching layers, database nodes, and global performance architecture.

Scaling WordPress beyond a single server requires more than adding CPU and RAM. True scalability comes from distributing traffic across multiple nodes, ensuring no single machine becomes a bottleneck. Load balancing is the foundation of this architecture — but misconfigurations often lead to session loss, cache fragmentation, inconsistent deployments, or cascading failures during traffic spikes. […]

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