HTTP/3 improves performance by using a faster transport protocol, reducing latency, and enabling quicker data transfer. It’s ideal for applications requiring real-time or low-latency data.

HTTP/3 is the latest version of the HTTP protocol, designed to address performance limitations in previous versions. Here’s how it impacts performance: 1. QUIC Transport Protocol: Unlike HTTP/2, which relies on TCP, HTTP/3 uses QUIC, a faster transport protocol that reduces the handshake process to establish connections, enabling quicker initial load times. 2. Improved Latency for Real-Time Applications: QUIC’s connection migration capabilities mean users maintain their session even if they switch networks, minimizing disruptions and reducing latency for real-time applications like gaming and video streaming. 3. Elimination of Head-of-Line Blocking: HTTP/2 multiplexing improved request handling but suffered from ‘head-of-line blocking’ due to TCP's in-order delivery requirement. HTTP/3 avoids this by allowing independent data streams, enhancing speed and reliability. 4. Enhanced Mobile and IoT Performance: HTTP/3 improves performance on mobile and IoT devices by handling frequent network changes (e.g., switching between Wi-Fi and cellular) more gracefully, making it ideal for applications requiring low-latency responses. 5. Increased Security and Privacy: Built-in TLS 1.3 encryption reduces the overhead of securing connections, ensuring faster, secure connections. These advancements make HTTP/3 a strong choice for applications needing real-time data and low-latency performance, though backward compatibility and server support should be considered.