当我访问chesseng.herokuapp.com时,我得到一个响应头,如下所示
Cache-Control:private
Connection:keep-alive
Content-Encoding:gzip
Content-Type:text/css
Date:Tue, 16 Oct 2012 06:37:53 GMT
Last-Modified:Tue, 16 Oct 2012 03:13:38 GMT
Status:200 OK
transfer-encoding:chunked
Vary:Accept-Encoding
X-Rack-Cache:miss
然后我刷新页面并获取
Cache-Control:private
Connection:keep-alive
Date:Tue, 16 Oct 2012 06:20:49 GMT
Status:304 Not Modified
X-Rack-Cache:miss
所以看起来缓存起作用了。如果这适用于缓存,那么让和Cache-Control:max-age.过期的有什么意义呢更令人困惑的是,当我在https://developers.google.com/speed/pagespeed/insights/测试页面时,它告诉我“利用浏览器缓存”。
https://stackoverflow.com/questions/12908766
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