HTTP codes :
- 200 : OK
- 201: Created
- 301 : Moved Permanently
- 302 : Found
- 400 : Bad Request
- 401 : Unauthorized
- 403 : Forbidden
- 404 : Not Found
- 406 : Not Acceptable
- 424 : Failed Dependency
- 500 : Internal Error
- 502 : Bad Gateway
- 503 : Service Unavailable
- 504 : Gateway Timeout