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HTTP Status Codes

HTTP status codes are three-digit numbers that websites send back when something goes wrong (or right). Find your error code below for a plain English explanation.

Error Codes

301 Universal HTTP Status Code A 301 Moved Permanently response means the page you requested has been … 302 Universal HTTP Status Code A 302 Found response means the page you requested has been temporarily moved to … 304 Universal HTTP Status Code A 304 Not Modified response means the page you requested has not changed since … 307 Universal HTTP Status Code A 307 Temporary Redirect means the page you requested has been temporarily moved … 308 Universal HTTP Status Code A 308 Permanent Redirect means the page you requested has permanently moved to a … 400 Universal HTTP Status Code A 400 Bad Request error means the website's server received your request but … 401 Universal HTTP Status Code A 401 Unauthorized error means you are trying to access a page that requires you … 403 Universal HTTP Status Code A 403 Forbidden error means the website understood your request but is refusing … 404 Universal HTTP Status Code A 404 Not Found error means the page you are looking for does not exist at that … 405 Universal HTTP Status Code A 405 Method Not Allowed error means the web page exists, but the way your … 406 Universal HTTP Status Code A 406 Not Acceptable error means the website cannot deliver content in the … 407 Universal HTTP Status Code A 407 Proxy Authentication Required error means your internet connection goes … 408 Universal HTTP Status Code A 408 Request Timeout error means your browser started sending a request to the … 409 Universal HTTP Status Code A 409 Conflict error means your request cannot be completed because it conflicts … 410 Universal HTTP Status Code A 410 Gone error means the page you are looking for has been permanently and … 411 Universal HTTP Status Code A 411 Length Required error means your browser sent a request to the server but … 412 Universal HTTP Status Code A 412 Precondition Failed error means your browser set certain conditions on its … 413 Universal HTTP Status Code A 413 Payload Too Large error means the file or data you are trying to send to … 414 Universal HTTP Status Code A 414 URI Too Long error means the web address (URL) in your browser's address … 415 Universal HTTP Status Code A 415 Unsupported Media Type error means you tried to upload or send a file type … 429 Universal HTTP Status Code A 429 Too Many Requests error means you have sent too many requests to a website … 500 Universal HTTP Status Code A 500 Internal Server Error means something went wrong on the website's server — … 501 Universal HTTP Status Code A 501 Not Implemented error means the web server received your request but does … 502 Universal HTTP Status Code A 502 Bad Gateway error means the website you are visiting uses multiple servers … 503 Universal HTTP Status Code A 503 Service Unavailable error means the website's server is currently unable … 504 Universal HTTP Status Code A 504 Gateway Timeout error means the website's front-facing server sent a … 505 Universal HTTP Status Code A 505 HTTP Version Not Supported error means your browser and the website's … 507 Universal HTTP Status Code A 507 Insufficient Storage error means the web server has run out of disk space … 508 Universal HTTP Status Code A 508 Loop Detected error means the server got stuck in an infinite loop while … 511 Universal HTTP Status Code A 511 Network Authentication Required error means the network you are connected …