During March 2025, this developer contributed to the web-infra-dev/rsdoctor repository by implementing an asset optimization feature focused on gzip compression analysis. They introduced a gzipSize property to AssetInstance, enabling the system to compute and display potential space savings for compressible assets when gzip support is enabled. This work, carried out using JavaScript and TypeScript, leveraged skills in build tools, code analysis, and performance optimization. By providing visibility into compressed asset sizes, the feature supports data-driven decisions for storage and bandwidth cost reduction. The implementation was delivered as a single, well-scoped commit, reflecting a focused and technically sound engineering approach.