Critical-Path Bundle Split & Loader Strategy

Seed: SPA codebase, dynamic_imports list, critical routes; sample loader: prefetch for next-route, lazy-load non-critical widgets

Implementation Guide

Design a strategy to split bundles along the critical rendering path and implement a loader that prioritizes essential code and defers non-critical modules. Include heuristics for route-based splitting, vendor chunking, and resource hints (preload/prefetch) to optimize LCP and Time-to-Interactive. Provide a CI check to detect regressions in critical bundle sizes.

💡 Expert Q&A Insights

Q: \

How to decide split points?\" \"

Q: Use route usage analytics and bundle-size budgets to identify high-value splits and defer rarely-used features.\"\n\"

Will splitting increase network requests?\" \"

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