https://vzav.eu/tags/http/3/Recent content in HTTP/3 on Volodymyr's BlogHugo -- gohugo.ioenMon, 27 Jul 2026 00:00:00 +0000https://vzav.eu/posts/networking/http3/Mon, 27 Jul 2026 00:00:00 +0000https://vzav.eu/posts/networking/http3/<p>I turned on HTTP/3 for a CloudFront distribution, saw the load times improve, and then did what I usually do when something works without me understanding why: I went looking for the packets.</p> <p>This post has three parts. First, how HTTP got here — because HTTP/3 makes very little sense without the twenty years of workarounds that preceded it. Second, the theory, kept short. Third, the practical part: enabling it on a CDN, then capturing real QUIC traffic on my OpenWrt router with <code>tcpdump</code> and reading what comes back.</p>