400 Error Codes
401 : Unauthorized
Access to the URL resource requires user authentication which either has not yet been provided, or which has been provided but failed. This is commonl...Read More
400 : Bad Request
When the HTTP request completely fails to conform to the HTTP protocol, the Web server may identify it as being malformed and serve this error page. T...Read More
What is a Server Side Error Code?
Server Error Codes begin with the number 5, such as 500 or 503 (two of the most common server side errors). These error pages indicate that an issue w...Read More
What is a Client Side Error Code?
Client Error Codes begin with the number 4, such as 404 or 403 (two of the most common client side errors). A Client Error Code indicates that there i...Read More