HTTP 404 - Wikipedia
In HTTP, the 404 response status code indicates that a web client (i.e. browser) was able to communicate with a server, but the server could not provide the requested resource.
What is a 404 Error: Meaning, Causes, How To Fix, & FAQs
Jan 12, 2026 · What is a 404 error? A 404 error (or “Not Found”) is an HTTP status code indicating that while your browser connected to a server, the specific page or resource you requested couldn’t be …
HTTP response status codes - MDN Web Docs
Jan 5, 2026 · Defined in a previous version of the HTTP specification to indicate that a requested response must be accessed by a proxy. It has been deprecated due to security concerns regarding …
What is a 404 Error Code? What It Means and How to Fix It (2026)
2 days ago · The HTTP 404 Not Found client error response status code indicates that the server cannot find the requested resource. Links that lead to a 404 page are often called broken or dead …
What does error 404 mean? - IONOS
Nov 14, 2025 · How does the “404 Not Found” message occur? The 404 error is a standardized HTTP status code. It is sent by the web server of a website to the web browser (the client) that made the …
404 Not Found: What is it and How to fix it? - SiteGround KB
Sep 3, 2025 · The Error code 404 is an HTTP Status Code that indicates that the page you are trying to visit is not present on the web server. Seeing this code as a website visitor, you will most likely …
What do I do if I get a 404 error on the Internet? - Computer Hope
Mar 15, 2025 · A 404 error is an HTTP (HyperText Transfer Protocol) status code error shown as "Not Found 404" or "Page Not Found" that indicates the server could not open the requested …
404 Not Found Error: What It Is & How to Fix It (2025) - Bluehost
Sep 12, 2025 · What is 404 error code? A 404 error is an HTTP (Hypertext Transfer Protocol) status code that tells you the page you’re trying to visit can’t be found on the website’s server. This …
What Is a 404 Error? How It Affects SEO & How to Fix It - Semrush
Dec 3, 2024 · The "404" status code indicates that the resource at that URL is "not found." When a browser tries to load content from a URL where the content doesn't exist, it receives the "404" HTTP …
404 Not Found - HTTP status code explained
Aug 2, 2023 · When the 404 Not Found error message is received, it does not specify whether the resource is permanently unavailable, temporarily unavailable, never existed, or otherwise. It most …