What must accumulated I learn about HTTP for web scraping?

I've realised it's crucial to take hang of more about how HTTP works when scraping some websites. I currently easiest express the requests.acquire diagram to GET the secure put of abode jabber. Nonetheless in most cases there might be continuously a want to talk with the server by sending some data (known as POST, honest?). Also, I chanced on that there are actually quite a lot of more HTTP strategies.

So I'm looking out out for some books on this topic (ideally in accordance with Python code).