https://www.peakhour.io/Wed, 29 Jul 2026 00:00:00 +1000https://www.peakhour.io/blog/how-browsers-decide-to-use-http3/<p>HTTP/3 discovery is standardised. The decision to wait, race QUIC against TCP, remember a failure, or fall back is still browser policy.</p>ACWed, 29 Jul 2026 00:00:00 +1000tag:www.peakhour.io,2026-07-29:/blog/how-browsers-decide-to-use-http3/PerformanceHTTP/3QUICDNSHTTPS RecordsAlt-SvcWeb Performance