Сколько типов ошибок в HTML

Code	Description	Comment
100	Continue	
101	Switching Protocols	
200	OK	Action completed successfully
201	Created	
Success following a POST command
202	Accepted	
Request has been accepted for processing, but processing has not completed
203	Partial Information	
Response to a GET command; indicates that the returned meta information is from a private overlaid web
204	No Content	
Server received the request, but there is no information to send back
205	Reset Content	
206	Partial Content	
Requested file was partially sent; usually caused by stopping or refreshing a web page
300	Multiple Choices	
301	Moved Permanently	
Requested a directory instead of a specific file; the web server added the file name index.html, index.htm, home.html, or home.htm to the URL
302	Moved Temporarily	
303	See Other	
304	Not Modified	
Cached version of the requested file is the same as the file to be sent
305	Use Proxy	
400	Bad Request	
Request had bad syntax or was impossible to fulfill
401	Unauthorized	
User failed to provide a valid user name/password required for access to a file/directory
402	Payment Required	
403	Forbidden	
Request does not specify the file name, or the directory or the file does not have the permission that allows the pages to be viewed from the web
404	Not Found	Requested file was not found
405	Method Not Allowed	
406	Not Acceptable	
407	Proxy Authentication Required	
408	Request Time-Out	
409	Conflict	
410	Gone	
411	Length Required	
412	Precondition Failed	
413	Request Entity Too Large	
414	Request-URL Too Large	
415	Unsupported Media Type	
500	Server Error	
In most cases, this error results from a problem with the code or program you are calling rather than with the web server itself.
501	Not Implemented	
Server does not support the facility required
502	Bad Gateway	
503	Out of Resources	
Server cannot process the request due to a system overload; should be a temporary condition
504	Gateway Time-Out	
Service did not respond within the time frame that the gateway was willing to wait
505	HTTP Version Not Supported	
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