Jan 5, 2026 · HTTP response status codes indicate whether a specific HTTP request has been successfully completed. Responses are grouped in five classes:

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.

HTTP Status Codes HTTP Status Codes are standardized response codes that indicate the outcome of an HTTP request. They are grouped into five classes: 1xx: Informational 2xx: Success 3xx: …

2 days ago · Learn what HTTP status codes are. Fix common errors, improve crawlability, and keep your website organized.

Complete developer-friendly reference for HTTP status codes with AI-powered help, interactive examples, playgrounds, and related codes. Get AI explanations and fix guidance on every code page.

Apr 4, 2026 · Complete HTTP status code reference: 1xx through 5xx classes explained. Meaning, usage, and correct implementation for every standard status code.

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

Mar 17, 2026 · The complete list of all HTTP status codes from 100 to 599. A comprehensive reference covering every informational, success, redirect, client error, and server error code with descriptions.