How to describe the process of loading a web page?

Question

Computer networks

Web developer interviews are repeatedly asked to describe in as much detail as possible the processes that take place between pressing enter after typing the address into the bar and loading this site in the browser. I myself know this process fragmentarily and piecewise, and I would like to fill in the gap.
In this regard, the question is: tell me where you can read about it. Thanks in advance.

Answer 1

There is a good answer here: You typed the site address in the browser, pressed Enter. Tell us as much as possible about the technical processes taking place next?

Answer 2

Although it's better to read about this en.wikipedia.org/wiki/%D0%A1%D0%B5%D1%82%D0%B5%D0%...

Answer 3

en.wikipedia.org/wiki/HTTP

Answer 4

At the very beginning of the code session_start () is missing;