HTTP Status Codes
Created: 2022-06-10
Tags: #permanent
Abstract:
For instance 2## means 200-299
2## = Request Succesful
3## = Redirect clients request to another location
4## = Error Request
5## = Server Side Errors
2## Request Successful
200 - Ok, Request Completed Successfully
201 - Created, A new data has been created (new user or new blog)
3## Redirect clients request to another location
301 - Permanent Redirect, page has moved to somewhere else and go there
302 - Temporary Redirect, the redirected page may change in the future
4## Error Request
400 - Bad Request -> when web server complains that a required parameter wasn't sent by the client.
401 - Not Authorized -> can't view webpage until you've met certain requirements.
Example:
- If you try to edit your profile without logging in first
- Can't view the webpage without logging in
403 - Forbidden -> absolutely not allowed to view the webpage
404 - Page not Found -> the webpage doesn't exist
405 - Method not Allowed -> for instance you sent a GET request when the webpage only accept PUT request
5## Server Side Errors
500 - Internal Service Error, The web server doesn't know how to handle your request
503 - Service Unavailable, Down for maintenance or overloaded
Example: Web server cannot access its database and the application crashes?
