When you visit websites, your browser – client – makes a connection to the webserver through a network protocol called HTTP. These network connections support sending response data from clients including the content of web pages and some protocol control information as well. Sometimes, you cannot succeed in accessing the website you are trying to access. Instead, you see an error or status code like 404 Page Not Found. These type of errors are HTTP status codes. We are explain all the status codes in this article.