WebTransport is the shiny new protocol that rides on HTTP/2 and HTTP/3 to deliver secure, multiplexed, bidirectional streams—both reliable and “just send it” unreliable ones—over a single TLS-wrapped connection. It fixes WebSockets’ quirks, sidesteps gRPC’s limits, and paves the way for low-latency, real-time apps without awkward workarounds.
In the video, you’ll see why HTTP/2 Push flopped, how WebTransport upgrades and backfills work, and even a peek at why YouTube’s notification system still trips up. If you care about building snappier, more interactive web backends, this is your quick guide to the next big thing.
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