When you browse the internet, you are engaging in a silent, non-stop conversation. You click a link, and your browser asks a server: "Can I see this page?" The server replies with a number. Usually, that number is invisible. It says "200 OK," and the page loads instantly. But sometimes, the conversation goes wrong. The server replies with 404, 503, or 403. These numbers are called HTTP Status Codes. They are the universal language of the web, explaining exactly what happened to your request. Whether you are a developer debugging an API, a website owner fixing broken links, or just a user wondering why a website won't load, understanding these codes is essential. This guide is the only resource you need to understand every code, fix common errors, and speak the language of the web. What Are HTTP Status Codes? An HTTP Status Code is a three-digit number sent by a web server in response to a browser's request. Think of it like a traffic light for the internet...