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

Aug 29, 2025 · Discover the complete list of HTTP status codes in 2025. Learn what each HTTP error code means, how to fix common 404 & 500 errors and boost SEO with correct responses

HTTP Status Code directory, with definitions, details and helpful code references.

Jul 23, 2025 · This guide explains the major HTTP status code categories and highlights some of the most common codes with their meanings, making it easy to understand what happens …

Each code indicates a specific condition or result of a request. The developers are free to create and modify status codes as they see fit. But it can lead to a lot of confusion. So a list of …

Free online HTTP status codes reference and lookup tool. Complete list of all HTTP status codes with detailed descriptions, search and filter functionality。

With the help of a status code, the server tells the client whether the request was successfully processed or whether an error occurred. The three-digit HTTP status codes can be classified …

Comprehensive list of all HTTP status codes (1xx, 2xx, 3xx, 4xx, 5xx) with clear explanations. Search, learn, and understand each HTTP response code's meaning and usage.