header('Content-Disposition: attachment; filename="example.zip"'); header('Content-Transfer-Encoding: binary'); // 禁止缓存当前文档: // load the file to send:readfile('example.zip'); // Disable caching of the curren
header('Content-Disposition: attachment; filename="example.zip"'); header('Content-Transfer-Encoding: binary'); // 禁止缓存当前文档: // load the file to send:readfile('example.zip'); // Disable caching of the current document: header('Cache-Control: no-cache, no-store, max-age=0, mu...
格式:Expires = "Expires" ":" HTTP-date例如Expires: Thu, 01 Dec 1994 16:00:00 GMT (必须是GMT格式) 2.应用通过HTTP的META设置expires和cache-control<meta http-equiv="Cache-Control" content="max-age=7200" /><meta http-equiv="Expires" content="Mon, 20 Jul 2009 23:00:00 GMT" />上述设...
apiVersion: networking.k8s.io/v1 kind: Ingress metadata: name: my-ingress annotations: nginx.ingress.kubernetes.io/configuration-snippet: | proxy_hide_header Cache-Control; add_header Cache-Control "public, max-age=3600"; spec: rules: - host: example.com http: paths: - path: / pathType:...
//Create cache control header CacheControl cc =newCacheControl(); //Set max age to one day cc.setMaxAge(86400); Response.ResponseBuilder rb =null; //Calculate the ETag on last modified date of user resource EntityTag etag =newEntityTag(UserDatabase.getLastModifiedById(id).hashCode()+"")...
The x-pass-why header will tell you the reason why the request did not hit cache. In the example below, the reason this page was not cached is because it’s a WordPress® Admin page, which cannot be cached as a WP Engine default.1...
2. How does thetag with http-equiv="cache-control" work? Answer :Thetag with http-equiv="cache-control" mimics the behavior of the HTTP Cache-Control header at the HTML level. By specifying cache control directives within this tag, you can influence how the browser caches and handles the...
Cache-Control 定义缓存资源属性是private或public,并且设置缓存多久后过期,本例中,属性为public,60秒过期 X-Accel-Expires 只有nginx能识别的缓存特性header,优先级大于上面两个header,可以设置此header,在nginx侧来重新定义缓存特性 Etag和Last-Modified 捆绑生成的: 有些场景下,你希望client端的浏览器长时间缓存,而缓...
HcCacheControlHeader specifies the directive that IIS adds to the Cache-Control header. This header, along with the Expires header specified by HcExpiresHeader, isincluded with every compressed file that is sent to a client browser.HcCacheControlHeader specifies a header that overrides the HTTP ...
The CacheControl property enables you to set the HTTP/1.1 Cache Control header in Response.Syntax. The values for CacheControl are strings, and must be enclosed in quotation marks (" "). You must set CacheControl before any response is sent to the client, unless response buffering is ...