HTTP status codes explained: every code you'll actually seeWhat HTTP status codes mean, grouped by class — 1xx to 5xx — with the codes you'll meet in browsers, APIs, and server logs.What is a URL? The anatomy of a web addressEvery web address is built from a few parts: scheme, domain, path, query and anchor. A plain breakdown of what each one does.What is the World Wide Web? How it's different from the internetThe web and the internet are not the same thing. A plain look at what each is, and how they fit together.HTTP request methods explained: GET, POST, PUT, DELETE & moreWhat HTTP request methods are, what each one does, and the difference between GET, POST, PUT, PATCH, DELETE and the rest — with safe vs idempotent. 