!!! Overview
[{$pagename}] ([Not Modified]) is the [HTTP Status Code] [Not Modified] is client [URL redirection] [response] [Result Code] indicates that there is no need to retransmit the requested [resources]. 


[{$pagename}] is an implicit [URL redirection] to a [Cache hit] [resource]. This happens when the [HTTP Request] method is safe, like a [HTTP GET] or a [HTTP HEAD] [HTTP Request], or when the request is conditional and uses a [If-None-Match] or a [If-Modified-Since] [HTTP Header Field].

The equivalent [HTTP 200] OK response would have included the headers [Cache-Control], [Content-Location], Date, [Etag], Expires, and Vary.


!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]
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* [#1] - [304 Not Modified|https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/304|target='_blank'] - based on information obtained 2019-06-29