Traffic surges from marketing campaigns or seasonal events can strain website performance. DevOps helps scale efficiently through automation, CI/CD pipelines, microservices, cloud elasticity, and proactive monitoring. Strategies like load testing, CDNs, IaC, caching, and failover ensure stability. Companies like Twitter, Uber, and Airbnb use DevOps to handle peak loads. While challenges exist, future innovations like serverless and edge computing will enhance scalability.