Can you name the main HTTP status codes and their meanings?

Main HTTP status codes and their meanings:

• 1xx (Informational)
  • 100 Continue — the client can continue with the request
• 2xx (Success)
  • 200 OK — the request was successfully processed
  • 201 Created — the resource was successfully created
  • 204 No Content — the request was successful, but no response body
• 3xx (Redirection)
  • 301 Moved Permanently — the resource has been permanently moved
  • 302 Found — temporary redirect
  • 304 Not Modified — the resource has not changed, use cache
• 4xx (Client errors)
  • 400 Bad Request — invalid request
  • 401 Unauthorized — authentication required
  • 403 Forbidden — access is denied
  • 404 Not Found — resource not found
• 5xx (Server errors)
  • 500 Internal Server Error — internal server error
  • 502 Bad Gateway — bad gateway
  • 503 Service Unavailable — service unavailable

These codes help the client understand the result of the request processing.