Error 404: Use Semrush's Site Audit tool to

Use Semrush's Site Audit tool to quickly identify 404 errors and learn how to fix them. Try it for free today. In computer network communications, the HTTP 404 , 404 not found, 404 , 404 error , page not found, or file not found error message is a hypertext transfer protocol (HTTP) standard response code, to indicate that the browser was able to communicate with a given server, but the server could not find what was requested. A 404 error means the page can't be located. Discover simple steps to resolve the issue and understand its causes. Discover why 404 errors happen and explore easy, actionable ways to troubleshoot and fix them for both users and website owners.