HTTP/1.1 Versus HTTP/2 and HTTP/3

HTTP/2 introduced multiplexing, resulting in superior bandwidth utilization over HTTP/1.1, and HTTP/3 solves the problem of transmission delays from packet loss by replacing TCP with QUIC.

By Sandro Lucifora

Updated Sep 18, 2026 5:08 PM / Published Jun 5, 2021 3:00 AM 12 min read

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Sandro Lucifora