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List of HTTP Response Codes and Errors in Server Response Headers

HTTP Response Codes Server Can Send in HTTP Headers

Code Description More Info
100 Continue
101 Switching Protocols
200 OK
201 Created
202 Accepted
203 Non-Authoritative Information
204 No Content
205 Reset Content
206 Partial Content
300 Multiple Choices
301 Moved Permanently
302 Moved Temporarily (Found)
303 See Other
304 Not Modified
305 Use Proxy
306 Switch Proxy
307 Temporary Redirect
400 Bad Request
401 Unauthorized
402 Payment Required
403 Forbidden
404 Not Found
500 Internal Server Error
503 Service Temporarily Unavailable
A1 Sitemap Generator Response Codes
0 rcVirtualItem: Virtual Item Internal Linking
-1 rcNoRequest: No Request No request has been done by crawler.
-2 rcUnknownResult: Unknown Result Server responded with an unrecognized response code.
-3 rcTimeoutGeneric: Timeout: Generic Possible solutions:
  • Lower amount of simultaneous connections.
  • Increase timeout values. Increase connection retries.
  • Resume scan. Crawler will attempt connect again.
-4 rcCommError: Communication Error Possible reasons:
  • Webserver did not obey HTTP protocol.
  • The server/domain of the URL did not exist.
-5 rcTimeoutConnect: Timeout: Connect See rcTimeoutConnect: Timeout: Generic
-6 rcTimeoutRead: Timeout: Read See rcTimeoutConnect: Timeout: Generic
-7 rcCommErrorDecompress: Communication Error: Decompress
-8 rcRedirectCanonical: Redirect: Canonical Canonical URLs
-9 rcRedirectIndexFileDirRoot: Redirect: Index File Directory Root Duplicate URLs
-10 rcCommErrorSocket: Communication Error Sockets
-11 rcMetaRefreshRedirect: Meta Refresh Redirect Duplicate URLs


Graphics in Website Analysis

ok : Server response 200 - OK.
error : Server error response code, e.g. 404 - Not Found.
unknown : Server HTTP response code never checked or unknown.


Solving Server Error Response Codes

It can often be a good idea to resolve all server error HTTP response codes. To get started:

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