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Average downtime: 14 hours. SEO traffic loss: 23% on average. Cart abandonment spike: 17%. These figures surface when migration follows a \"big bang\" approach. With phased rollout, SEO preservation layer, and real-time ATC (Add-to-Cart) abandon analysis, these risks drop by 80%. This article details the migration roadmap integrated with risk management.",{"type":33,"tag":41,"props":42,"children":44},"h2",{"id":43},"migration-scope-the-real-burden-of-monolith-to-headless-transition",[45],{"type":38,"value":46},"Migration Scope: The Real Burden of Monolith-to-Headless Transition",{"type":33,"tag":34,"props":48,"children":49},{},[50],{"type":38,"value":51},"Headless migration's technical complexity gets downplayed. Junior engineers dismiss it as \"just changing the frontend.\" The reality: only the render layer changes; the entire data flow architecture shifts. 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