What Are HTTP/2 and HTTP/3 and How Do They Speed Up Your Site?

From HTTP/1.1 to HTTP/2

HTTP/1.1 opens a separate connection for many page assets, leading to congestion and overhead. HTTP/2 introduces multiplexing, allowing multiple requests over a single connection.

HTTP/3 and QUIC

HTTP/3 builds on the QUIC protocol, designed to reduce latency and handle network changes better, especially on mobile and unreliable connections.

How to Enable These Protocols

Support depends on your web server and hosting provider. Many hosts offer HTTP/2 by default with SSL enabled, and HTTP/3 is becoming more common with modern stacks and CDNs.

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