1. Browser query cache, if there is a cache, skip to step 9th
2. The browser asks the operating system server IP
3. The operating system does DNS query, return the IP address to the browser
4. The browser opens a TCP connection to the server (more complex if it is HTTPS)
5. The browser sends HTTP requests over TCP
6. The browser receives the response and may turn off the TCP connection or re-use the connection to process the new request
7. The browser checks whether the response is a redirect (3xx result status code) or re-uses the connection to process the new request
8. If the response is cacheable, it will be cached.
9. Browser response decoding (if it is gzip compressed)
10. The browser decides how to handle these responses (HTML, music, pictures)
11. The browser displays the response, and the MIME type that is unknown to the bit also pops up the download dialog box
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