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Progress10 of 45
BundleMedium
Defer Non-Critical Third-Party Libraries
Analytics, logging, and error tracking don't block user interaction. Load them after hydration.
bundlethird-partyanalyticsdefer
Code Comparison
•Incorrect (blocks initial bundle):tsx
•Correct (loads after hydration):tsx
Why This Matters
Impact: loads after hydration. This optimization is classified as MEDIUM priority for production applications.