Jan 5, 2026 · 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 response, possibly …

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 maintained by …

Aug 9, 2024 · HTTP specification defines these standard status codes divided into five categories that can be used to convey the results of a client’s request.

The most comprehensive guide to HTTP response codes. Covers standard RFC codes, WebDAV, Cloudflare errors (520-530), Nginx, and how to fix them.

Searchable reference for all HTTP response status codes. 100 Continue The server has received the request headers and the client should proceed. 101 Switching Protocols The server is switching …

Apr 4, 2026 · HTTP status codes are three-digit numbers returned by the server indicating the outcome of a client's request. The first digit defines the class of response. Clients act on the status code …

Jan 23, 2026 · 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 17, 2026 · This is a comprehensive reference of every HTTP status code defined in the HTTP specification (RFC 9110) and common extensions. Use it as a quick lookup when you encounter a …

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 where applicable.

An overview of the most common HTTP status codes returned by the server to client software to determine the outcome of a request.