SMRTR ProgrammingMay 31, 2025Hacker Noon

I Shaved 1MB Off My Next.js App – The Fix Was Hiding in Plain Sight

SMRTR summary

A Next.js developer discovered their app's slow initial load was caused by excessive JavaScript bundling. Through bundle analysis and dependency mapping, they identified server-side code mistakenly included in the client bundle. By separating client and server code, they reduced the initial JavaScript payload by 500KB-1MB, significantly improving page load and interactivity times.

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