HTTP response status code

wikipedia:List of HTTP status codes

• Informational responses (100–199)
• Successful responses (200–299)
• Redirects (300–399): HTTP status codes 3xx
• Client errors (400–499): 401 Unauthorized, 405 Method Not Allowed, 406 Not Acceptable, 409 Conflict, 414, 403 ERROR The request could not be satisfied.
• Server errors (500–599): 502, 503, 504

Examples

• HTTP/1.1 405 Method Not Allowed
• 504 Gateway Time-out, fastcgi_read_timeout Nginx directive. Default to 60s.
• Received unexpected http status 500 internal server error

Related terms

• /etc/php-fpm.d/www.conf
• List of HTTP status codes
• URL redirection
• curl -Is https://yourdomain.com/ | head -1

See also

• URL redirection, Subdomain redirection, Lambda@Edge: HTTP redirect using lambda handler, Redirect: HTTP status codes 3xx
• List of HTTP status codes, 3XX, 4XX, 5XX, 503, HTTP response status code
• Web, Search engine, How to add Wikipedia as a Chrome search engine, URL redirection, List of HTTP status codes, HAR (file format), HTTP response status code, URL, URI, Web3, reCAPTCHA