Gzip compression not working ASP.net MVC5 -

i want compress web application gzip , using following class

compression filter

public class compressfilter : actionfilterattribute {     public override void onactionexecuting(actionexecutingcontext filtercontext)     {         httprequestbase request = filtercontext.httpcontext.request;         string acceptencoding = request.headers["accept-encoding"];         if (string.isnullorempty(acceptencoding)) return;         acceptencoding = acceptencoding.toupperinvariant();         httpresponsebase response = filtercontext.httpcontext.response;         if (acceptencoding.contains("gzip"))         {             response.appendheader("content-encoding", "gzip");             response.filter = new gzipstream(response.filter, compressionmode.compress);         }         else if (acceptencoding.contains("deflate"))         {             response.appendheader("content-encoding", "deflate");             response.filter = new deflatestream(response.filter, compressionmode.compress);         }     } } 

cache filter

public class cachefilterattribute : actionfilterattribute {     public int duration     {         get;         set;     }      public cachefilterattribute()     {         duration = 1;     }      public override void onactionexecuted(actionexecutedcontext filtercontext)     {         if (duration <= 0) return;          httpcachepolicybase cache = filtercontext.httpcontext.response.cache;         timespan cacheduration = timespan.fromminutes(duration);          cache.setcacheability(httpcacheability.public);         cache.setexpires(datetime.now.add(cacheduration));         cache.setmaxage(cacheduration);         cache.appendcacheextension("must-revalidate, proxy-revalidate");     } } 

controller

[compressfilter] [cachefilter(duration = 60)] public actionresult index() {} 

and applying class action in controller. in firebug it's still showing "transfer-encoding: chunked" , should "transfer-encoding: gzip".

i testing on localhost.

please tell me doing wrong? , regards.

update cache filter working fine, still no gzip compression, below response header in chrome.

cache-control:public, must-revalidate, proxy-revalidate, max-age=3600 content-type:text/html; charset=utf-8 date:wed, 22 jul 2015 13:39:06 gmt expires:wed, 22 jul 2015 14:39:04 gmt server:microsoft-iis/10.0 transfer-encoding:chunked x-aspnet-version:4.0.30319 x-aspnetmvc-version:5.1 x-powered-by:asp.net x-sourcefiles:=?utf-8?b?qzpcvxnlcnncqxjiyxpcrg9jdw1lbnrzxfzpc3vhbcbtdhvkaw8gmjaxm1xqcm9qzwn0c1xidxlwcmljzxnwywtpc3rhblxcdxlqag9uzq==?= 

is there way can make work, need guys, thanks

if can't control iis, add global.ascx. tested on android, iphone, , pc browsers.

 protected void application_beginrequest(object sender, eventargs e)     {          // implement http compression         httpapplication app = (httpapplication)sender;           // retrieve accepted encodings         string encodings = app.request.headers.get("accept-encoding");         if (encodings != null)         {             // check browser accepts deflate or gzip (deflate takes preference)             encodings = encodings.tolower();             if (encodings.contains("deflate"))             {                 app.response.filter = new deflatestream(app.response.filter, compressionmode.compress);                 app.response.appendheader("content-encoding", "deflate");             }             else if (encodings.contains("gzip"))             {                 app.response.filter = new gzipstream(app.response.filter, compressionmode.compress);                 app.response.appendheader("content-encoding", "gzip");             }         }     }