9xx Not Checked

The 9xx status codes do not belong to the HTTP status codes defined in RFC 2616. They are part of the 200ok.eu status code extensions.

The 9xx class of status code is used for links that are not checked by 200ok.eu algorithms.

901 Disallowed

Subscribers to the commercial service can disallow access to addresses of their choice. These addresses are marked as « 901 Disallowed » by 200ok.eu algorithms.

910 Scheme Not Supported

This status code is used for links with a scheme not supported by 200ok.eu.

Our technical forum Extended Status Codes (7xx-9xx) is available for questions and comments.