How I Cut 70% of a Production Frontend Codebase in 3 Days

In this article the author recounts removing over 50,000 lines—about 70% of a Java, React, and Next.js frontend codebase—by using analytics to prune rarely used modules, progressively migrating to a slimmer stack, and demonstrating the performance and maintenance benefits while confronting sunk‑cost bias.

Next.jscodebase reductionprogressive migration

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How I Cut 70% of a Production Frontend Codebase in 3 Days