Client errorsNon-standard, nginx
444No Response
A web server convention meaning the connection was closed without answering at all.
Browse all HTTP status codesWhen you see it
Not a real HTTP code and never sent to a client. It is a value that appears in server logs to record that a request was dropped deliberately, typically to discard obvious malicious traffic without spending anything on a reply.
Look up another one
Open
Type a code, a partial code like 40, or any word from a name or description. Everything runs in your browser.
Filter
Copy format
Status codes
69 of 69 codes. Click a row to copy it.
1xx Informational (4)
2xx Success (10)
3xx Redirection (8)
4xx Client errors (31)
5xx Server errors (16)