WebTransport: The Next-Gen Web Protocol

WebTransport is like WebSockets on steroids—multiplexing reliable and unreliable streams over HTTP/2 and HTTP/3 with built-in TLS. Say goodbye to WebSocket quirks and gRPC roadblocks: this thing lets you run ultra-low-latency, bidirectional chats without juggling multiple connections.

Under the hood you’re tapping into HTTP/2’s and HTTP/3’s proven plumbing, using an extended CONNECT upgrade to spin up channels that can be both rock-solid and “best-effort” fast. It even explains why HTTP/2 Server Push flopped, how backfills work, and why YouTube notifications still drive us nuts—plus tips on proxying it all.

Watch on YouTube