#パフォーマンス

Splitting Correctness from Throughput in XLSX Streaming Writes

A hybrid approach that lets Apache POI build the OOXML scaffold while sheetData is streamed by hand. Verified XML escape, control char, date cell, and merge behavior of scndry's implementation on M1 Max.

Streaming SSR Shrinks the Blank Time Caused by the Slowest API

Based on Pareto's Streaming SSR article, why TTFB degrades on SSR pages waiting for multiple APIs, and what to check in DevTools and APM.