18.1. API About

  • Stateless

  • Text protocol

  • HTTP and HTTPS

  • HTTP/1.1 vs. HTTP/2.0

  • URI vs. URL

18.1.1. Recap

  • DNS

  • /etc/hosts

18.1.2. Tooling

  • Web Inspector

  • curl

  • wget

18.1.3. Sessions

  • Database

  • Cache

  • Files

  • Memory

18.1.4. Cookies

  • EU cookies regulation from 2009

  • String

18.1.5. HTML + JS + CSS