HTTP Protocol

The 405 method not allowed error indicated that the method (E.g. POST, GET, PUT, DELETE) was not allowed.

The 500 Internal Server Error is usually sent to indicate a problem on the server-side.

A 400 Bad Request response is used to indicate a problem happened due to something on the client-side.

Short explanation of the HTTP range header.

The HTTP See Other status code is used when performing redirects.

The HTTP 403 status code indicatss that the server understood the request, but is refusing to fulfill it. Learn more in this tutorial.

The HTTP 301 status code indicates that the content has been moved. Learn how to implement it in this tutorial.

The HTTP 404 status code indicates that the requested resource could not be found.

The 304 not modified response code is used to tell browsers that the content has not been updated, and should be loaded from the browser cache.

Reference on the HTTP 200 ok response message.