The article explores Go's net/http/httptrace package, which has been part of the standard library since Go 1.7 but remains underutilized. It explains how the package provides visibility into various stages of HTTP requests like DNS resolution, TLS handshakes, and connection management through a context-based approach rather than traditional interface-based tracing. The author demonstrates practical applications by building a curl-like tracing tool and a reusable RoundTripper for request timing analysis.
Background
The net/http/httptrace package in Go provides detailed tracing capabilities for HTTP requests, allowing developers to monitor various stages of request execution that are typically hidden. This is particularly useful for debugging network-related issues and optimizing application performance.
- Source
- Lobsters
- Published
- Jun 1, 2026 at 07:21 PM
- Score
- 6.0 / 10