This happens when an SSL certificate is shared between several domains and they conflict. The error is just a message that the user has connected to the wrong server. A server issues the 421 error message when it receives an HTTP request that is not intended for it. The 421 error message can appear for a number of reasons. Therefore, the user who wants to access the page will not be able to load it. The reason for this error is that the request was sent to a server that is not configured to provide feedback on the request. This is the case of the 4xx errors that are often the object of attention during SEO audits.Įrror 421 of the HTTP protocol displays the message “Misdirected request” which indicates that the request is misdirected. Some HTTP status codes can have a very big impact on the SEO of a site and it is crucial that webmasters manage to deal with them appropriately when they occur. A valid request was made by the client, but the server could not complete it. 5xx: This group indicates a server error (failure).This is an error on the website side that often appears when a page does not exist on the site or when the server has difficulty displaying it. The 4xx status codes appear when the requested site or page has not loaded. 4xx: This group indicates a client (browser) error.The request has been received, but there is a redirection of some kind. 3xx : this is a redirection that tells the user that he is redirected to a URL other than what he requested.2xx: this group indicates that the request was executed successfully and the server gave the browser the expected response.1xx: this is an informative response that means the server is reviewing the request.The HTTP status codes fall into five groups and each group indicates a different message. This is crucial to minimize downtime on your site when problems occur. Understanding these codes will allow you to know if everything is going as planned on your site and to quickly diagnose the type of error. They constitute a message and indicate whether everything is going well between the browser and the website or not. Status codes are a kind of conversation on the web between browsers and servers. The server responds to the user’s request with an HTTP status code, a three-digit code like 421. When Internet users try to access a website, browsers send a request to the website’s server. The impact of the 421 error on a web site.Īll activities on the Internet are the result of the interaction between browsers and servers.But the frequency of these problems can have undesirable effects for sites. 3.1) What are the most common HTTP errors besides 421 errors?Ĭhapter 1: How to understand the 421 error and how does it affect a website?Īll websites encounter problems at some point.Chapter 3: Other issues related to Error 421?.Check HTTP status without using an HTTP status checker with Screaming Frog Finding the 421 error in Google Search Control
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