Common Web Errors
So you’ve clicked on a link and now have a series of numbers and confusing words glaring at you, let us help you decode those error messages.
We’ve all seen one of these codes glaring at us in big bold letters making us feel like we’re in loads of trouble and the FBI is going to bust down the door and take you away for breaking the Internet along with secondary charges of tearing that tag off your mattress in 1992. Well, we can’t help you with the mattress tag, but we can ease your fears with this quick breakdown of some of the most common error codes.
400 Bad File Request
Usually means the syntax used in the URL is incorrect, for example, an uppercase letter should be lowercase.
401/403 Unauthorized, Forbidden/Access Denied
401 Unauthorized means the server is looking for an encryption key from the client but not receiving it (i.e., a mistyped password). A 403 Forbidden/Access Denied, like a 401, is a registration issue and you need special permission to access the site (username/password).
404 Not Found
Means that the file or directory that you were trying to reach is not available. It may not exist, or the address is incorrect.
408 Request Timeout
When a request is stopped before the server finished receiving it, like when a user hits the “stop” button or closes the browser before the page loads.
500 Internal Error
A general-purpose error message regarding server-configuration problems (caused by something like an overloaded server for example) making it difficult to retrieve an HTML document.
501 Not Implemented/502 Service Temporarily Overloaded
Both messages refer to server congestion typically caused by either too many connections or high traffic.
418 I’m a Teapot
An April Fools’ Joke not implemented by actual HTTP servers. The RFC specifies the code should be returned by teapots requesting to brew coffee. Today it is used as an Easter Egg on some websites including Google.
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