What Are HTTP 4xx Status Codes: A Cheatsheet
September 2, 2025
HTTP 4xx codes are a family of status codes that indicate a client-side error. This means that something went wrong with the request sent from your web browser or application to the server. The server understood the request, but it couldn’t be fulfilled because the request itself was invalid or incomplete.
Here is a cheatsheet to understand them.

Happy web surfing.