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Unverified50% confidenceFactExact time

HTTP/1.1于1997年引入持久连接（Keep-Alive），HTTP/2于2015年引入多路复用和HPACK头部压缩，HTTP/3于2022年正式标准化并将传输协议切换为基于UDP的QUIC

1

Sources

50%

Confidence

Long-term

Relevance

7/8/2026

First Seen

Sources

零基础学Python爬虫：工作原理、完整流程与法律红线

bilibiliPython全套学习7/6/2026

Related Claims

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