TCP vs UDP, Put Through Its Paces

Why it surfaced

This is more than a protocol explainer: it lets you run a client-measured comparison against a real server, with UDP delivered through WebTransport and no simulated slowdown or packet loss. The extensive guide then explains the handshake, retransmission, ordering, congestion control, and trade-offs behind the result.

An interactive lesson that downloads the same file over TCP and UDP, measuring speed, packet loss, and integrity in the browser.