Engineering insights, tool updates, and developer ecosystem news.
Cache-Control, ETag, and stale-while-revalidate are simple in theory and a minefield in practice. A practical guide with real headers, real CDN behavior, and the debugging steps I actually use when caching goes wrong.
You don't need LaunchDarkly to ship a percentage rollout safely. Here's a database-backed feature flag system with a React hook, a middleware layer, and the exact point at which you should stop maintaining it yourself.
Practical SEO and content strategy for developer blogs, based on what actually moved traffic versus the myths I wasted a year chasing.
