IIS HTTP Compression in Practice: Improve Performance Through Measurement, Not Blind Enablement
IIS compression for static and dynamic content can reduce data transfer, but it also increases CPU load, cache storage, and configuration complexity. This article explains how to inventory content types, establish a baseline, enable compression by site, validate response headers, and monitor resources. It also covers the risks associated with small responses, formats that are already compressed, proxies, and caches. The approach helps website operators improve user experience through measurable, reversible changes while maintaining consistent change and acceptance records.