What is the most common error code?

What are the common HTTP errors?

What are some common status codes?

What is the HTTP code 404?

404 is a status code that tells a web user that a requested page is not available. 404 and other response status codes are part of the web's Hypertext Transfer Protocol response codes. The 404 code means that a server could not find a client-requested webpage.

What is error code 400?

The HyperText Transfer Protocol (HTTP) 400 Bad Request response status code indicates that the server cannot or will not process the request due to something that is perceived to be a client error (for example, malformed request syntax, invalid request message framing, or deceptive request routing).

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What is a 403 error code?

The HTTP 403 Forbidden response status code indicates that the server understands the request but refuses to authorize it. This status is similar to 401 , but for the 403 Forbidden status code, re-authenticating makes no difference. The access is tied to the application logic, such as insufficient rights to a resource.

What is a 500 error?

The HyperText Transfer Protocol (HTTP) 500 Internal Server Error server error response code indicates that the server encountered an unexpected condition that prevented it from fulfilling the request.

What is error 405?

The HyperText Transfer Protocol (HTTP) 405 Method Not Allowed response status code indicates that the server knows the request method, but the target resource doesn't support this method.

What is status code 201?

The HTTP 201 Created success status response code indicates that the request has succeeded and has led to the creation of a resource.

What is status code 200?

The HTTP 200 OK success status response code indicates that the request has succeeded.

What is server error 300?

The HTTP 300 Multiple Choices redirect status response code indicates that the request has more than one possible responses. The user-agent or the user should choose one of them. As there is no standardized way of choosing one of the responses, this response code is very rarely used.

What is 100 HTTP code?

The HTTP 100 Continue informational status response code indicates that everything so far is OK and that the client should continue with the request or ignore it if it is already finished.

What is error 444 connection blocked?

A 444 status code is thrown when a website unexpectedly closes the connection without sending any response to the client. It is an unofficial code and specific to NGINX. There are multiple reasons why NGINX might throw this error. It might occur when the server has identified your requests to be automated.

What is 503 error code?

The HyperText Transfer Protocol (HTTP) 503 Service Unavailable server error response code indicates that the server is not ready to handle the request. Common causes are a server that is down for maintenance or that is overloaded.

What is error code 521?

The error message "Error 521: Web server is down" indicates an issue with the server. That is Cloudflare's error message when the origin server does not respond to Cloudflare's request.

What is error code 404 200?

A soft 404 error is when a URL that returns a page telling the user that the page does not exist and also a 200 (success) status code. In some cases, it might be a page with no main content or empty page.

What is error code 304?

The HTTP 304 Not Modified client redirection response code indicates that there is no need to retransmit the requested resources. It is an implicit redirection to a cached resource.

What is the status code 409?

HTTP 409 error status: The HTTP 409 status code (Conflict) indicates that the request could not be processed because of conflict in the request, such as the requested resource is not in the expected state, or the result of processing the request would create a conflict within the resource.

What is status code 204?

The HTTP 204 No Content success status response code indicates that a request has succeeded, but that the client doesn't need to navigate away from its current page. This might be used, for example, when implementing "save and continue editing" functionality for a wiki site.

What is a 402 error?

The HTTP 402 or “Payment Required” code isn't a standard response, and most browsers don't use it. Therefore, if you see a 402 status, it usually means there was a problem with a payment. HTTP status 402 is a rare code classified as “experimental” or under development.

What is a 420 error?

This happens when a measurement is queried but it is not active or the test set hasn't set it up yet.

What is a 505 error?

The HyperText Transfer Protocol (HTTP) 505 HTTP Version Not Supported response status code indicates that the HTTP version used in the request is not supported by the server.

What is error code 502?

A 502 bad gateway message indicates that one server got an invalid response from another. In essence, you've connected with some kind of interim device (like an edge server) that should fetch all of the bits you need to load the page. Something about that process went wrong, and the message indicates the problem.

What is error code 501?

The HyperText Transfer Protocol (HTTP) 501 Not Implemented server error response code means that the server does not support the functionality required to fulfill the request. This status can also send a Retry-After header, telling the requester when to check back to see if the functionality is supported by then.

How do I fix error 503?