Sometime you are browsing the internet and trying to open any website or your e-mail but you see some error codes. You can solve these problems if you are familiar with the meaning of error codes.
Error Codes Meaning
400 Bad request error. You may be typing wrong URL and server couldn't understand your request
401 You are trying to open any unauthorized access site or page. Check your username and password if you are trying to open any webpage.
402 Payment Required Error
403 You are trying to open any forbidden page and you are blocked by that domain.
404 Here you are trying to open the webpage that was removed or re-named, also check the URL spelling.
408 Time out error. You should send the request with in time that the server set for you.