TTFB (or Time to first byte) is the duration from the initial network request being initiated by the browser to the first byte being received from the server.
是浏览器的初始化到从服务器接收到的第一个字节的时间。
This is measured as the time elapsed between the first byte received from the server and the last one.
更确切的说是指收到来自服务器第一个字节的数据与最后一个字节数据所用的时间。
TTFB (or Time To First Byte) is the duration from the initial network request being initiated by the browser to the first byte being received from the server.
从响应的第一个字节开始，到把响应接收完为止的时间。
It includes TCP connection time, the time to send the request and the time taken to get the first byte of the response message.
这个时间段是网络的时间，主要包含了TCP连接的时间、发送请求的时间和从服务器接收到的第一个字节。
It includes TCP connection time, the time to send the request and the time taken to get the first byte of the response message.
这个时间段是网络的时间，主要包含了TCP连接的时间、发送请求的时间和从服务器接收到的第一个字节。
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