Appendix B. From Request to Response

During the job interviews for a software developer role, many people are frequently asked to describe how the web actually works behind the scenes. A candidate that can explain well the architectural layers of a software application to an interviewer may give the impression of a so-called full stack developer. However, it can be surprising how many candidates have just plausible knowledge of this topic, especially if they purport to work professionally in the digital domain. This appendix provides a concise and definitive description of the modern issues. The digital developers ought to be able to sketch and effectively document their current working architecture. So let's start with HTTP.