This article lists standard and notable non-standard HTTP response status codes. Standardized codes are defined by IETF as documented in Request for Comments (RFC) publications and …

Oct 30, 2025 · Responses are grouped in five classes: The status codes listed below are defined by RFC 9110. Note: If you receive a response that is not listed here, it is a non-standard …

Aug 9, 2024 · HTTP defines these standard status codes that can be used to convey the results of a client’s request. The status codes are divided into five categories. 1xx: Informational – …

4 days ago · Search for ‘HTTP status code checker’ in your browser to find detailed HTTP error codes list and explanations. Enter the page URL to instantly see the response code.

Mar 24, 2025 · HTTP status codes provide essential information about how a request was processed. Below is a breakdown of all major codes, their meanings, and troubleshooting tips …

View and search HTTP status codes and their explanations. A comprehensive guide for developers and webmasters. The client should continue with its request. This interim response …

5 days ago · HTTP Status Code Lookup: Online resources like HTTPStatuses.com or Mozilla’s MDN provide comprehensive explanations for all HTTP status codes, aiding in understanding …

Oct 23, 2024 · A complete list of HTTP status codes with explaination of what they are, why they occur and what you can do to fix them.

May 6, 2025 · Understanding these codes can provide insight into what went wrong and help users and developers troubleshoot effectively. This article delves into the various HTTP error …

The 520 error is used as a "catch-all response for when the origin server returns something unexpected", listing connection resets, large headers, and empty or invalid responses as …