Common error status codes for Web servers

We in the code on-line, or Web server anomalies, we can provide feedback to our status code, go about locating the fault point, and then through the log to detailed analysis, so the status code is still very important, but in the online rough search, dense a lot of, or their own summary, usually the most commonly used several, Hope to be helpful to everyone;

Web page status code, detailed description:

Status code	Status description
200	OK to successfully return the Web page on behalf of the server
301	Permanent jump, permanent jump through the old URL to the new URL, ( I have a new name, you find it to go )
60W	Temporary jump, a period of time to jump to the new URL address access
403	Forbidden access, server denied access ( insufficient permissions, no index definition, no home page )
404	The requested page does not exist, ( What the client wants, not on the server )
500	Internal server error, (selinux,iptables, HTTP service not allowed, 500 error occurred )
502	Bad Gateway, HTTP back-end node request, no response ( you find intermediary, intermediary told you no room )

503	Service is currently unavailable,(server load is too large, service is abnormal, downtime maintenance, etc.)
504	When the network timeout, the server response time, reached beyond the set range ( you find intermediary, intermediary did not find the landlord, directly tell you no room )

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Common error status codes for Web servers