chrome浏览器http request timeline各阶段说明

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Rough Definitions

  1. DNS Lookup: Translating the web address into a destination IP address by using a DNS server Connecting: Establishing a connection with the web server
  2. Blocking: Previously known as 'queueing', this is explained in more detail here
  3. Sending: Sending your HTTP Request to the server
  4. Waiting: Waiting for a response from the server - this is where it's probably doing all the work
  5. Receiving: Getting the HTTP response back from the server

References

  1. Resource network timing