http://jbylund.github.io/tags/http/Recent content in Http on Joe BylundHugo -- gohugo.ioen© 2026 Joe BylundTue, 27 Oct 2026 00:00:00 +0000http://jbylund.github.io/posts/00688_http-compression-negotiation/Tue, 27 Oct 2026 00:00:00 +0000http://jbylund.github.io/posts/00688_http-compression-negotiation/Serving compressed HTTP responses correctly is more nuanced than calling gzip.compress(). This post walks through the CompressionMiddleware in Sylvan Librarian: Accept-Encoding negotiation, server-side algorithm priority, two distinct code paths for buffered versus streaming responses, the 200-byte skip threshold, Vary headers, and gzip mtime=0 for byte-identical repeated responses.