Most developers use HTTP every day, but surprisingly few take the time to understand what's actually happening behind the scenes.
Whether you're building a frontend application, writing a backend service, consuming third-party APIs, or simply opening a website in your browser, HTTP is quietly doing the heavy lifting.
When I first started developing applications, HTTP was just something that "worked." I knew how to send a GET or POST request, but I didn't really understand why certain requests failed, why caching behaved differently, or why some APIs were noticeably faster than others. Learning HTTP filled many of those gaps.
HTTP Is More Than GET and POST
A lot of tutorials introduce HTTP as a collection of request methods:
