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HTTP Keep-Alive,又名 HTTP 持久连接,是一种指令,它允许单个 TCP 连接为多个 HTTP 请求/响应保持打开状态。 默认情况下,HTTP 连接在每次请求后关闭。当有人访问您的站点时,他们的浏览器需要创建新的连接来请求组成您的网页的每个文件(例如图像、Javascript 和 ...
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