HTTP Status Codes

How To Fix HTTP Error 407 “Proxy Authentication Required”

The “407 Proxy Authentication Required” error occurs when the server is unable to complete a request. This guide will show you how to fix it.

The HTTP 402 status code is a rare error that many browsers don't use because it isn't a standard response. Learn more about it here.

HTTP 408 status code communicates that the server did not receive a timely response from the client. Learn multiple ways to fix this error.

The "409 conflict" error can be frustrating, but it is actually easy to fix. Learn how to fix the error using 5 different methods.

The "410 Gone” error code means you won’t be able to access the page at all. Learn about the error, potential causes, and how to fix it.

Learn how to easily fix the HTTP 499 error, which is also known as a "client closed request," using 5 potential solutions.

Also known as the “Range Not Satisfiable” error, the HTTP 416 error can be fixed using any of the four methods in this article.

Learn how to easily fix the HTTP status code “411 Length Required” error using 4 different methods to get to the bottom of it.

WordPress errors can stifle your progress, but can also be simple to fix. Learn how to resolve the HTTP 415 error in WordPress!

Want to boost website performance? Understanding how HTTP requests work is key. Let's take a closer look at the structure and how they work.

Learn how to fix or bypass the Error 451: Unavailable Due to Legal Reasons message to access sites that are blocked.

Learn how to fix the HTTP Error 431 Request Header Fields Too Large message using four simple troubleshooting tips.

Unlike other HTTP errors, the HTTP 422 code will keep reappearing until you manage to troubleshoot the problem. Here's how to fix it.