WebTransport is a game-changer for the web: a TLS-secured, multiplexed transport layer built on HTTP/2 and HTTP/3 that supports both reliable and “unreliable” streams. It sidesteps WebSocket head-of-line blocking and gRPC’s limitations, giving you low-latency, bidirectional comms in one neat package.
In the video, Hussein Nasser walks through WebTransport’s anatomy—how to upgrade via Extended CONNECT, why it won’t work over HTTP/1.1, and the twists behind HTTP/2 push’s demise and YouTube’s notification struggles—then shows you backfill strategies and proxying tips to get it running in the wild.
Watch on YouTube
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